• Women with benign (non-cancerous) germ cell tumors such as mature teratomas (dermoid cysts) are cured by removing the part of the ovary that has the tumor (ovarian cystectomy) or by removing the entire ovary. (cancer.org)
  • [ 11 ] Sacrococcygeal teratomas are more likely to recur than those in the ovary or other sites. (medscape.com)
  • Teratomas are the most common type of germ cell tumor to develop in extragonadal (not in the ovary or testes) areas. (kidshealth.org)
  • These malignant tumors are also called dysgerminomas when they're in the ovary, or seminomas when they're in the testes. (kidshealth.org)
  • It is a unique case of a primitive neuroepithelial tumor with many similarities to a medulloblastoma arising in an ovarian teratoma, and the second report of fetal cerebellum occurring in a teratoma of the ovary. (utmb.edu)
  • Ultrasonography and computer tomography revealed a cystic tumor of the left ovary. (nih.gov)
  • The gross appearance of the resected ovary was typical for mature cystic teratoma. (nih.gov)
  • This is the first reported case, to our knowledge, of extramammary Paget's disease arising in mature cystic teratoma of the ovary. (nih.gov)
  • In 2004, doctors in Japan reported the discovery of a "doll-like" teratoma with a head and limbs in the ovary of a 25-year-old virginal woman. (livescience.com)
  • Germ cell tumors generally only affect one ovary. (medicalnewstoday.com)
  • GCTs account for about 1 in 5 tumors in the ovary. (proprofs.com)
  • Mature teratomas (aka dermoid cysts) are germ cell tumors of the ovary that are both common and benign. (proprofs.com)
  • Due to the rarity of angiosarcoma in the ovary, this tumor can be a diagnostic challenge to surgical pathologists, particularly during an intraoperative consultation. (hindawi.com)
  • Germ cell tumors of the ovary are uncommon but aggressive tumors, seen most often in young women and adolescent girls. (kaiserpermanente.org)
  • Endodermal sinus tumors of the ovary are particularly aggressive. (kaiserpermanente.org)
  • Some studies have found that size and histology were the major factors determining prognosis for patients with malignant mixed germ cell tumors of the ovary. (kaiserpermanente.org)
  • Norris HJ, Zirkin HJ, Benson WL: Immature (malignant) teratoma of the ovary: a clinical and pathologic study of 58 cases. (kaiserpermanente.org)
  • Therapy of endodermal sinus tumor of the ovary. (kaiserpermanente.org)
  • Kurman RJ, Norris HJ: Malignant germ cell tumors of the ovary. (kaiserpermanente.org)
  • These tumors commonly arise from the ovary although other extragonadal sites can be involved, especially in children. (medscape.com)
  • The final pathology report poisoning syndromes, a rapid-onset emetic syndrome char- showed a mature teratoma of the left ovary featuring der- acterized by nausea and vomiting and a slower onset diar- moid cyst, respiratory anlaga, and struma ovarii. (cdc.gov)
  • Mutation of FOXL2 in granulosa-cell tumors of the ovary. (cancercentrum.se)
  • A current perspective on the pathological assessment of FOXL2 in adult-type granulosa cell tumours of the ovary. (cancercentrum.se)
  • The prevalence and prognostic impact of lymph node metastasis in malignant germ cell tumors of the ovary. (cancercentrum.se)
  • Prognostic impact of lymphadenectomy in clinically early stage malignant germ cell tumour of the ovary. (cancercentrum.se)
  • Pectasides D, Pectasides E, Psyrri A. Granulosa cell tumor of the ovary. (cancercentrum.se)
  • Retroperitoneal nodal metastasis in primary and recurrent granulosa cell tumors of the ovary. (cancercentrum.se)
  • Ayhan A, Salman MC, Velipasaoglu M, Sakinci M, Yuce K. Prognostic factors in adult granulosa cell tumors of the ovary: a retrospective analysis of 80 cases. (cancercentrum.se)
  • Patterns of metastasis in sex cord-stromal tumors of the ovary: can routine staging lymphadenectomy be omitted? (cancercentrum.se)
  • Surgical staging and adjuvant chemotherapy in the management of patients with adult granulosa cell tumors of the ovary. (cancercentrum.se)
  • Patterns of spread and recurrence of sex cord-stromal tumors of the ovary. (cancercentrum.se)
  • Teratomas may be classified as mature or immature on the basis of the presence of immature neuroectodermal elements within the tumor. (medscape.com)
  • Mature tumors (grade 0) have no immature elements. (medscape.com)
  • Close histologic evaluation of immature teratomas reveals a good correlation between the degree of immaturity and the presence of microscopic foci of frankly malignant elements. (medscape.com)
  • Charoenkwan et al found overexpression of p53 in the more aggressive immature teratomas at all sites. (medscape.com)
  • The German MAKEI trials suggested that the recurrence rate for immature teratomas could be decreased to 9.5% with chemotherapy. (medscape.com)
  • Surgical Resection Alone Is Effective Treatment For Ovarian Immature Teratoma In. (keyopinionleaders.com)
  • Immature teratomas are a rarer form of teratoma. (medicalnewstoday.com)
  • Immature teratomas usually occur in females under 18 years old. (medicalnewstoday.com)
  • An immature teratoma can have cells that appear to be embryonic or fetal. (medicalnewstoday.com)
  • Malignant germ cell tumors include several types of cancer, such as immature teratoma, yolk sac tumor and choriocarcinoma. (childrensoncologygroup.org)
  • Patients with mature teratomas usually experience long-term survival, but survival for patients with immature teratomas after surgery only is related to the grade of the tumor, especially its neural elements. (kaiserpermanente.org)
  • In a series of 58 patients with immature teratoma treated before the modern chemotherapeutic era, recurrence was reported in 18% of the patients with grade 1 disease, 37% of the patients with grade 2 disease, and 70% of the patients with grade 3 disease. (kaiserpermanente.org)
  • 6 , 8 ] Prognosis was poor for patients with large tumors when more than one-third of the tumor was composed of endodermal sinus elements, choriocarcinoma, or grade 3 immature teratoma. (kaiserpermanente.org)
  • Recurrent ovarian immature teratoma in a 12-year-old girl: Implications for management. (cam.ac.uk)
  • Immature teratomas (IT) are rare and recurrences uncommon. (cam.ac.uk)
  • The final diagnosis was an immature teratoma grade 3, and the patient was discharged in good condition. (bvsalud.org)
  • Embryonal rhabdomyosarcoma is a vaginal tumor found in toddlers. (proprofs.com)
  • Germ cell tumors of the brain include germinoma, teratoma, embryonal carcinoma and yolk-sac tumors. (cincinnatichildrens.org)
  • Teratomas are embryonal tumors that normally arise from germ cells and are typically benign. (asu.edu)
  • These malignant elements are typically yolk sac tumors but may also represent primitive neuroectodermal tumors (PNETs). (medscape.com)
  • Yolk sac tumor (also called endodermal sinus tumor). (kidshealth.org)
  • First Case of Mature Teratoma and Yolk Sac Testis Tumor Associated to Inherited MEN-1 Syndrome. (unicatt.it)
  • In January 2016, the patient was diagnosed with intratubular germ cell neoplasia, consisting of a mature teratoma and yolk sac tumor and he underwent a right orchiectomy. (unicatt.it)
  • Conclusion: This is the first case report showing the clear association of MEN-1 syndrome with yolk sac tumors and teratomas, as in our case, the c1548dupG represents a pathogenic variant rather than a SNP. (unicatt.it)
  • Endodermal sinus tumor (yolk sac tumor) and choriocarcinoma are two other rare forms of ovarian cancer. (medicalnewstoday.com)
  • Purpose: To examine associations between parental occupation and childhood germ cell tumors (GCTs) in offspring while distinguishing by common histologic subtype (i.e., yolk sac tumor and teratoma). (cdc.gov)
  • Maternal employment in education during pregnancy was associated with offspring GCTs (OR 2.45, 95% CI 1.23-4.90), especially yolk sac tumors (OR 5.27, 95% CI 1.94-14.28). (cdc.gov)
  • High levels of both maternal and paternal occupational social contact were also associated with offspring yolk sac tumors across all exposure periods (ORs 2.30-4.63). (cdc.gov)
  • Conclusion: Our findings suggest that parental occupation is associated with offspring GCTs, with most consistent evidence supporting an association between maternal employment in education or other high social contact jobs and offspring yolk sac tumors. (cdc.gov)
  • Other GCTs include the dysgerminoma and yolk sac tumor. (proprofs.com)
  • 2) Childhood testicular tumors are more likely to be benign and have lower incidence of metastasis (2) and are the second most common testicular tumour in children after yolk sac tumor. (pediatriconcall.com)
  • 3) The reported high prevalence rates of the prepubertal yolk sac tumor probably results from a reporting bias, since benign tumors are less likely to be submitted to the tumor registries. (pediatriconcall.com)
  • Doctors usually treat teratomas with surgery because chemotherapy doesn't work in a benign tumor. (kidshealth.org)
  • Lee SY, Jo YM, Lee J, Cha SI, Park TI, Kim CH. Neuroendocrine Carcinoma Arising in a Mediastinal Teratoma with Pulmonary Metastasis: A Case Report and the Chemotherapy Response. (ejournals.ca)
  • Since the discovery of platinum-based chemotherapy, testicular germ cell tumors are a highly curable disease. (urotoday.com)
  • These tumors don't respond well to radiation or chemotherapy treatments, so surgery is usually the only choice to remove them. (thefashionablehousewife.com)
  • These tumors respond well to chemotherapy. (thefashionablehousewife.com)
  • The tumors are treated with surgery and react well to chemotherapy. (thefashionablehousewife.com)
  • The use of combination chemotherapy after initial surgery has dramatically improved the prognosis for many women with these tumors. (kaiserpermanente.org)
  • A review of the literature in 1979 prior to the widespread use of combination chemotherapy found only 27% of 96 patients with stage I endodermal sinus tumor alive at 2 years after diagnosis. (kaiserpermanente.org)
  • the first was treated with surgery but the second was metastatic and managed with chemotherapy, resulting in growing-teratoma-syndrome and need for further surgery. (cam.ac.uk)
  • In the event of recurrence, confirmed residual disease, or elevated tumor markers after first-line chemotherapy, recommended treatment consists of paclitaxel-ifosfamide-cisplatin (TIP) or another acceptable regimen. (medscape.com)
  • OBJECTIVE: To investigate the incidence of malignant transformation and P53 and P16 expression in teratomatous skin of ovarian mature cystic teratoma. (keyopinionleaders.com)
  • Lin C, Du Y, Li Y, Wang H, Chang J. Superior mediastinal mature cystic teratoma with gastrointestinal adenocarcinoma transformation: Report of a case. (ejournals.ca)
  • Sakurai H, Miyashita Y, Oyama T. Adenocarcinoma arising in anterior mediastninal mature cystic teratoma: Report of a case. (ejournals.ca)
  • Adenocarcinoma with sarcomatous dedifferentiation arising from mature cystic teratoma of the anterior mediastinum. (ejournals.ca)
  • Muramatsu T, Nishii T, Ohmori K, Shiono M. Mature cystic teratoma with malignant transformation to adenocarcinoma. (ejournals.ca)
  • We report a case of extramammary Paget's disease in ovarian mature cystic teratoma. (nih.gov)
  • From these pathological findings, we concluded that the disease was an intraepithelial adenocarcinoma, possibly derived from multipotential cells in squamous epithelium of ovarian mature cystic teratoma. (nih.gov)
  • Carcinomas arising in mature cystic teratomas of the ovaries from nine women were examined for the presence of p53 mutations. (keyopinionleaders.com)
  • When cells that are meant to form sperm in the testicles or eggs in the ovaries travel to other parts of the body, they may grow into extragonadal germ cell tumors . (vicc.org)
  • Extragonadal germ cell tumors form in parts of the body other than the gonads (testicles or ovaries). (vicc.org)
  • Often, these tumors form in the ovaries or testes. (kidshealth.org)
  • These malignant tumors most often develop in the ovaries, testes, or tailbone. (kidshealth.org)
  • Today, doctors know that this type of cyst, called a teratoma, is the most common tumor that occurs in the ovaries. (livescience.com)
  • An epithelial tumor is one that develops on the outer surface of the ovaries. (medicalnewstoday.com)
  • Teratomas are a type of tumor that typically originates in the testicles or ovaries. (ancient-origins.net)
  • Extragonadal germ cell tumors form from developing sperm or egg cells that travel from the gonads to other parts of the body. (vicc.org)
  • Extragonadal germ cell tumors can be benign (noncancer) or malignant ( cancer ). (vicc.org)
  • Benign extragonadal germ cell tumors are called benign teratomas . (vicc.org)
  • These are more common than malignant extragonadal germ cell tumors and often are very large. (vicc.org)
  • Malignant extragonadal germ cell tumors are divided into two types, nonseminoma and seminoma . (vicc.org)
  • Age and gender can affect the risk of extragonadal germ cell tumors. (vicc.org)
  • Signs and symptoms of extragonadal germ cell tumors include breathing problems and chest pain. (vicc.org)
  • Malignant extragonadal germ cell tumors may cause signs and symptoms as they grow into nearby areas. (vicc.org)
  • Imaging and blood tests are used to diagnose extragonadal germ cell tumors. (vicc.org)
  • Extracranial and extragonadal germ cell tumors and melanoma were both significantly decreasing. (cdc.gov)
  • Pauniaho SL, Salonen J, Helminen M, Vettenranta K, Heikinheimo M, Heikinheimo O. The incidences of malignant gonadal and extragonadal germ cell tumors in males and females: a population-based study covering over 40 years in Finland. (cancercentrum.se)
  • Germ cell cancers can raise blood levels of the tumor markers human chorionic gonadotropin (HCG), alpha-fetoprotein (AFP), and/or lactate dehydrogenase (LDH). (cancer.org)
  • Most of the malignant tumors produce markers that can be serologically assessed. (medscape.com)
  • These are called tumor markers . (vicc.org)
  • Blood levels of the tumor markers help determine if the tumor is a seminoma or nonseminoma. (vicc.org)
  • Alpha-fetoprotein (AFP) and beta-human chorionic gonadotropin (β-HCG) tests look for higher than normal levels of these proteins (called tumor markers ). (kidshealth.org)
  • These tumor markers are most useful for monitoring response to therapy and detecting early relapse. (aafp.org)
  • With the exception of prostate-specific antigen (PSA), tumor markers do not have sufficient sensitivity or specificity for use in screening. (aafp.org)
  • Because family physicians are assuming a greater role in caring for patients with cancer, an understanding of tumor markers is becoming increasingly important. (aafp.org)
  • This article describes the use of common tumor markers in primary care practice. (aafp.org)
  • Nevertheless, tumor markers can play a crucial role in detecting disease and assessing response to therapy in selected groups of patients. (aafp.org)
  • These may require taking samples for blood chemistry, blood cell count, genetics and certain proteins called tumor markers such as AFP and bhCG that are produced by some germ cell tumors. (childrensoncologygroup.org)
  • The tumor has been entirely removed, and tumor markers are normal. (childrensoncologygroup.org)
  • tumor markers do not return to normal following surgery. (childrensoncologygroup.org)
  • Serum tumor markers (AFP, LDH, beta-hCG) were within reference range. (webpathology.com)
  • Malignant ovarian germ cell tumors: identification of novel prognostic markers and long-term outcome after multimodality treatment. (kaiserpermanente.org)
  • Tumor markers, including Ca-125, alpha-fetoprotein, lactate dehydrogenase (LDH), and beta-human chorionic gonadotropin (beta-hCG) may be evaluated before surgery. (medscape.com)
  • Microscopic examination of the tumor mass showed three components of the germ layer, namely ectodermal, mesodermal and endodermal. (ejournals.ca)
  • Endodermal sinus tumor (rare subtypes are hepatoid and intestinal). (kaiserpermanente.org)
  • Medulloblastoma to be considered a type of Primitive Neuroectodermal Tumors (PNET), but that term isn't used anymore. (cincinnatichildrens.org)
  • PURPOSE: Some fetuses with sacrococcygeal teratoma (SCT) develop hydrops, but there is no consensus on an appropriate prognostic marker for poor prognosis. (keyopinionleaders.com)
  • We present a rare case of giant mature sacrococcygeal teratoma in an adult female patient. (ispub.com)
  • When the current focus on sacrococcygeal teratoma is on prenatal assessment, fetal intervention [1] and outcome after surgery in the pediatric age group [2], sporadic cases of sacrococcygeal teratoma in the adult age group come as a surprising rarity. (ispub.com)
  • As late occurrence of malignancy following resection of a histologically mature sacrococcygeal teratoma has been reported [18], our patient has been kept on 3-monthly follow-up. (ispub.com)
  • Sacrococcygeal teratoma: prenatal assessment, fetal intervention, and outcome. (ispub.com)
  • Long-term functional sequelae of sacrococcygeal teratoma: a national study in The Netherlands. (ispub.com)
  • Every year, about 100 children undergo surgery with reconstruction of the rectum, pelvic floor and genitals due to malformations of the gastrointestinal tract such as anal atresia, Hirschsprung's disease, esophageal atresia, or urogenital malformations such as hypospadias, and congenital pelvic tumors such as sacrococcygeal teratoma. (lu.se)
  • Tonofibrils seen under electron microscopy can differentiate thymoma from other tumors such as carcinoid, Hodgkin's, and seminoma. (wikipedia.org)
  • These tests help doctors see the size of the tumor and where it is. (kidshealth.org)
  • The disease-free survival rate for Stage II and III cancers is slightly lower, depending on the size of the tumor and when treatment is begun. (medlineplus.gov)
  • To stage the tumor, doctors will need to know the size of the tumor, if it has spread (metastasized) and if it has affected lymph nodes and other tissues. (childrensoncologygroup.org)
  • WHO Classification of Tumours of the Lung, Pleura, Thymus and Heart. (ejournals.ca)
  • World Health Organization classification of Tumours. (cancercentrum.se)
  • Tumor Metrics And Morphology Predict Poor Prognosis In Prenatally Diagnosed. (keyopinionleaders.com)
  • Therapy in stage I tumors consists of surgical resection with good prognosis. (wikipedia.org)
  • Each tumor marker has a variable profile of usefulness for screening, determining diagnosis and prognosis, assessing response to therapy, and monitoring for cancer recurrence. (aafp.org)
  • Because the identification of key histopathologic features is highly sensitive to sampling, the new guidelines recommend using molecular signatures-which tend to be more diffuse and thus less sensitive to sampling-as a component in grading certain tumors and as a potential marker of clinical course and prognosis. (medscape.com)
  • When the tumor was smaller than 10 cm in diameter, the prognosis was good, regardless of the composition of the tumor. (kaiserpermanente.org)
  • Prognosis for and treatment of pineal region tumors depend on tumor histology. (msdmanuals.com)
  • A large minority of patients with a mediastinal teratoma (including dermoid cyst) will cough up hair. (wikipedia.org)
  • Mediastinal teratoma with coexisting adenovarcinoma and carcinoid tumour (somatic-type malignancy): A case report with a review of the literature. (ejournals.ca)
  • Murakami K, Hamaji M, Yoshizawa A, Date H. Sub-centimeter adenocarcinoma arising from mature mediastinal teratoma during 11 years of follow‑up. (ejournals.ca)
  • The two main types of stromal tumors are Leydig cell tumors and Sertoli cell tumors. (medlineplus.gov)
  • Stromal tumors usually occur during childhood. (medlineplus.gov)
  • The American Cancer Society states that around 5% of ovarian stromal tumors occur in young females. (medicalnewstoday.com)
  • Ovarian stromal tumors can produce the hormone estrogen. (medicalnewstoday.com)
  • Ten tumours each were obtained from surgical biopsy and postmortem files. (bmj.com)
  • In all patients, a neuroendoscopic tumor biopsy was performed. (thejns.org)
  • In addition to the tumor biopsy, 32 patients (53%) underwent endoscopic third ventriculostomy (ETV), and 7 (12%) underwent septum pellucidotomy. (thejns.org)
  • Neuroendoscopic biopsy provided meaningful pathological data in 90% of patients, making subsequent tumor therapy feasible. (thejns.org)
  • 6) Testis preserving surgery should be reserved for testicular tumor proved to be benign by normal level of serum alpha-fetoprotein and frozen biopsy report. (pediatriconcall.com)
  • 13] Preoperative biopsy should be avoided as it can cause tumor spread, or abscess formation and should not be performed if the tumor is potentially resectable. (ispub.com)
  • Diagnosis of pineal region tumors is by MRI and tissue biopsy. (msdmanuals.com)
  • Texas Children's Cancer Center's Brain Tumor Program and the Neuro-oncology Team treat patients with Intracranial Germ Cell Tumors. (texaschildrens.org)
  • Although modern imaging techniques such as color Doppler sonography, helical or multidetector-row CT, and MRI have substantially improved the potential to image Wilms tumors, definitive diagnosis is still based on histology. (medscape.com)
  • The frozen section diagnosis was at least mucinous borderline tumor. (hindawi.com)
  • The frozen section diagnosis was at least mucinous borderline tumor, pending adequate tissue sampling for permanent sections to rule out mucinous adenocarcinoma. (hindawi.com)
  • Diagnosis and management of teratoma and epidermoid cysts. (pediatriconcall.com)
  • Pelvic ultrasound suggested pelvic abscess but after laparotomy and histological analysis of a bulky uterus removed a diagnosis of mature uterine teratoma was confirmed. (medscape.com)
  • Although it is rare, uterine teratoma should be considered in differential diagnosis to any patient with uterine mass even without typical radiological findings. (medscape.com)
  • These tumors have to be considered in the differential diagnosis of a mass in the abdominal cavity of children to distinguish between Wilms' tumor, neuroblastoma, and other intra-abdominal lesions. (bvsalud.org)
  • These tumors would be an incident diagnosis or diagnosed by the mass effect of giant tumors on other organs. (bvsalud.org)
  • They must be considered in the differential diagnosis of intra-abdominal tumors in children. (bvsalud.org)
  • A stromal tumor is a rare type of testicular tumor. (medlineplus.gov)
  • 1) The reported incidence of testicular tumor in children ranges from 0.5-2.0 cases per 100,000 boys as against 5.4 cases per 100,000 men. (pediatriconcall.com)
  • Prepubertal testicular tumor: Actual prevalence rate of histological types. (pediatriconcall.com)
  • These cysts account for up to 20 percent of all ovarian tumors, and most develop in women of reproductive age, according to past studies . (livescience.com)
  • A teratoma is a congenital (present at birth) tumor. (rainbowkids.com)
  • Even though all teratomas are congenital, some are not discovered until later in life. (rainbowkids.com)
  • Teratoma is a congenital germ cell tumor, composed of a wide diversity of tissue, containing all three germ cell layers. (ispub.com)
  • The Head and Neck Disorders Program at Children's Hospital of Philadelphia offers surgical care for children with tumors and congenital anomalies found in the head or neck. (chop.edu)
  • The purpose of this project is to develop, evaluate and implement novel bioimaging techniques for monitoring perfusion and oxygenation during pediatric surgery, with regard to congenital anorectal malformations, Hirschsprung's disease and tumors, and to assess the correlation to postoperative complications in the skin and intestine. (lu.se)
  • These tumors are grouped together because they all appear to arise from postmeiotic germ cells. (medscape.com)
  • Normal migration of these germ cells may cause gonadal tumors, whereas abnormal migration produces extragonadal tumors. (medscape.com)
  • If germ cells do not reach their intended destination, tumors occur wherever these cells end up. (childrensoncologygroup.org)
  • Childhood Central Nervous System (CNS) germ cell tumors form in germ cells, which are cells that develop into sperm or ova (eggs). (texaschildrens.org)
  • Mutter suggested that these genes or the cells have only the maternal imprint because many teratomas arise from a parthenogenetically activated egg. (medscape.com)
  • Because germ cell tumors can vary greatly, and can arise in different parts of the body, they can be difficult to stage. (childrensoncologygroup.org)
  • Nonepithelial malignant neoplasms sometimes arise in mucinous tumors, typically as mural nodules. (hindawi.com)
  • Choroid plexus tumors , which arise from cells lining the ventricles of the brain. (cincinnatichildrens.org)
  • Meningeal tumors , such as meningioma, which arise from the membranes (meninges) surrounding the brain and spinal cord. (cincinnatichildrens.org)
  • Challenges also arise if the teratoma is located in a inaccessible location or one that causes pressure to be placed on a vital organ or the nervous system. (rainbowkids.com)
  • Teratomas are made up of multiple types of tissue, including. (keyopinionleaders.com)
  • Tumor tissue or cells can be implanted into the specific orthotopic sites of the mice. (stanford.edu)
  • Masses in the anterior portion of the mediastinum can include thymoma, lymphoma, pheochromocytoma, germ cell tumors including teratoma, thyroid tissue, and parathyroid lesions. (wikipedia.org)
  • Tumours with adipose tissue as the sole or one of the major components were selected for review. (bmj.com)
  • Boor, PJ & Schoene, WC 1975, ' Fetal Cerebellar Tissue Associated with a Primitive Neuro-epithelial Tumor in an Ovarian Teratoma ', Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques , vol. 2, no. 2, pp. 139-141. (utmb.edu)
  • While many teratomas look like balls of tissue, some can develop so much that they take the shape of a fetus. (livescience.com)
  • A teratoma is a tumor that can contain different types of benign tissue. (medicalnewstoday.com)
  • Mature teratomas can contain tissue such as bone, hair, or teeth. (medicalnewstoday.com)
  • A teratoma is a tumor that may contain several different types of tissue, such as hair, muscle and bone. (childrensoncologygroup.org)
  • The researchers created induced pluripotent stem cells (iPSCs) by reprogramming skin fibroblast tissue from adult mole-rats in order to test its capacity for forming tumors, also called tumorigenicity. (nature.com)
  • This tumor contains three layers of tissue and can contain teeth, hair, eyes, and/or bones. (rainbowkids.com)
  • Histo-pathological examination showed predominant adipose tissue with presence of muscle, fibrocollagenous tissue, epidermis, dermis and mature cartilage, i.e. mature teratoma. (ispub.com)
  • Germ cell tumor with somatic-type solid malignancy is a germ cell tumor accompanied by a non-germ cell, the somatic-type malignant component in the form of sarcomas or carcinomas. (ejournals.ca)
  • Information about pediatric CNS Germ Cell Tumors treatment, clinical trials, and research from Texas Children's Cancer Center. (texaschildrens.org)
  • Testicular germ cell tumors make up 0.5% of pediatric malignancies, and 14% of adolescent malignancies. (urotoday.com)
  • and (3) treatment of germ cell tumors in pediatric patients. (dana-farber.org)
  • In clinical care, Dr. Frazier is the national expert on germ cell tumors in pediatric patients and oversees the care of these patients referred to DFCI. (dana-farber.org)
  • In addition, she is cochair of two national protocols that opened in 1999 for the treatment of low-risk and high-risk pediatric germ cell tumors and chair of the COG Germ Cell subcommittee in COG Rare Tumors. (dana-farber.org)
  • Evaluation of prevalence and outcomes of serial tyrosine kinase inhibitor use in pediatric patients with advanced solid tumors. (dana-farber.org)
  • Surgical excision of the primary tumor is the crux of treatment. (urotoday.com)
  • In 1965, Teilum first suggested the germ cell origin of gonadal tumors. (medscape.com)
  • Teratoma is a type of germ cell tumor layer that appears in the gonadal, sacrococcygeal, mediastinal, and retroperitoneal regions. (bvsalud.org)
  • however, adolescent histology is mostly mixed nonseminomatous germ cell tumor. (urotoday.com)
  • Retroperitoneal teratomas are rare tumors in infants. (bvsalud.org)
  • As with epithelial ovarian cancers, it is a good idea to consult with a gynecologic oncologist for treating malignant germ cell tumors, especially because these are so uncommon. (cancer.org)
  • Aims -Fatty tumours of the adrenal gland are uncommon and their features have received little attention in the literature. (bmj.com)
  • 3 Adrenal tumours of uncommon pathology were more frequently reported. (bmj.com)
  • Invasive mucinous adenocarcinoma is uncommon and usually arises in the background of benign or borderline tumors. (hindawi.com)
  • The findings in this case may be useful for pathologists in the recognition of this uncommon type of ovarian tumors. (hindawi.com)
  • There are hundreds of varieties of lesions and tumors that can be found in a child's head or neck, many of them incredibly rare. (chop.edu)
  • residual lesions may represent benign mature teratoma rather than malignancy. (medscape.com)
  • A PET scan is a procedure to find malignant tumor cells in the body. (vicc.org)
  • Malignant tumor cells show up brighter in the picture because they are more active and take up more glucose than normal cells do. (vicc.org)
  • This malignant tumor usually forms in the placenta during pregnancy and can affect both the mother and child. (kidshealth.org)
  • A borderline tumor is one that has a small chance of developing into a malignant tumor. (medicalnewstoday.com)
  • Subependymal giant cell tumors may occur in children and adults who have a condition called tuberous sclerosis . (cincinnatichildrens.org)
  • About 25-30% of these tumors occur in the mediastinum. (ejournals.ca)
  • These tumors are often located in the anterior mediastinum and occur in adult males with a peak incidence between 20-40 years. (ejournals.ca)
  • A teratoma , which essentially translates as "monstrous swelling" from Greek, can occur when cells that should become eggs start multiplying abnormally and form mature tissues like hair, teeth and bones. (livescience.com)
  • Germ cell tumors are more likely to occur in younger females than older females. (medicalnewstoday.com)
  • Germ cell tumors are growths that occur in children, teens and adults. (childrensoncologygroup.org)
  • Tumors of this nature most often occur in children. (thefashionablehousewife.com)
  • Pineal region tumors tend to occur during childhood but can occur at any age. (msdmanuals.com)
  • The likelihood of recurrence depends on the site of the tumor as well as the completeness of resection. (medscape.com)
  • In monitoring patients for disease recurrence, tumor marker levels should be determined only when there is a potential for meaningful treatment. (aafp.org)
  • In general, all women with malignant germ cell tumors will have the same staging surgery that is done for epithelial ovarian cancer. (cancer.org)
  • These tests also can show how the cancer treatment is working and, after treatment, whether the tumor has come back. (kidshealth.org)
  • Introduction: Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominantly inherited endocrine tumor syndrome characterized by the development of cancer in various endocrine organs, particularly in the pituitary, parathyroid and pancreas. (unicatt.it)
  • Germ cell tumors are a rare form of ovarian cancer. (medicalnewstoday.com)
  • Epithelial ovarian cancer comprises a heterogeneous group of tumors. (nih.gov)
  • Atypical teratoid rhabdoid tumor (ATRT) is a rare and aggressive type of cancer that can appear in the brain or spinal cord. (cincinnatichildrens.org)
  • In clinical practice, she concentrates on germ cell tumors, while her epidemiologic research primarily focuses on colorectal cancer screening and prevention. (dana-farber.org)
  • Teratomas are unusual forms of cancer because they are composed of tissues such as tooth and bone not normally found in the organ in which the tumor appears. (gmatclub.com)
  • En 11 annees (1er janvier 1998-31 decembre 2008) 9946 patientes ont ete operes dans notre servie dont 29 pour le cancer de l'ovaire soit 0;29. (bvsalud.org)
  • Ovarian granulosa cell tumor and increased risk of breast cancer. (cancercentrum.se)
  • Histopathological examination of the swelling was reported as benign teratoma of the testis (Fig.1). (pediatriconcall.com)
  • In the rare case of somatic tumors arising within a benign teratoma, the choice of systemic therapy should be guided by the specific disease type. (medscape.com)
  • Combined AFP and β-hCG testing is an essential adjunct in the evaluation and treatment of nonseminomatous germ cell tumors, and in monitoring the response to therapy. (aafp.org)
  • Many signs and symptoms of a mediastinal tumor do not distinguish between these two principal classes of mediastinal tumor. (wikipedia.org)
  • What Are the Signs & Symptoms of Germ Cell Tumors? (kidshealth.org)
  • Early on, a child with a benign or malignant germ cell tumor might have few symptoms or none at all. (kidshealth.org)
  • These tumors form in the part of the chest between the breastbone and spinal column and can grow without symptoms until they become quite large. (childrensoncologygroup.org)
  • In the case of the teratoma-suffering woman who was buried at Amarna, researchers have argued that the Bes ring was a magico-medical object used to alleviate her symptoms. (ancient-origins.net)
  • The presence of the Bes ring is intriguing, as it may provide a clue that the teratoma had been causing symptoms. (ancient-origins.net)
  • Primary retroperitoneal teratoma is rare and asymptomatic but can present with symptoms due to a mass effect on neighboring organs. (bvsalud.org)
  • Results: The highest incidence of ovarian tumours was within the age range of 20-45 years. (bvsalud.org)
  • Incidence and occurrence of second primary tumors. (cancercentrum.se)
  • Wilms tumor , or nephroblastoma, is the most common solid renal mass and abdominal malignancy of childhood, with a prevalence of 1 case per 10,000 population. (medscape.com)
  • Most children with Wilms tumor will present with signs of a renal condition, including abdominal swelling or a suspicious mass. (medscape.com)
  • As a tumor gets bigger, it may become evident as an abdominal mass. (childrensoncologygroup.org)
  • The large majority of mucinous tumors are benign and borderline tumors. (hindawi.com)