AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and Processes
TeratomaTesticular NeoplasmsSacrococcygeal RegionDermoid CystMediastinal NeoplasmsNeoplasms, Germ Cell and EmbryonalDysgerminomaOvarian NeoplasmsRetroperitoneal NeoplasmsEmbryonic Stem CellsGerminomaAbnormalities, Severe TeratoidIsochromosomesMesonephromaStruma OvariiCoccyxPluripotent Stem CellsOvarian CystsInduced Pluripotent Stem CellsRetroperitoneal SpaceCell Differentiationalpha-FetoproteinsEndodermal Sinus TumorNeoplasms, Multiple PrimaryOctamer Transcription Factor-3SOXB1 Transcription FactorsChoriocarcinomaParaneoplastic Syndromes, Nervous SystemSpinal NeoplasmsTomography, X-Ray ComputedTwins, ConjoinedSeminomaCarcinoma, EmbryonalPlesiomonas
BenignOvaryTumorsDermoid cystsCystsMalignantOvariesDiagnosisShowed a mature teratomaChemotherapyTumor that can containPresent as a painlessEmbryonicFetalMonodermalGerm layersTissuesCervical teratomaTesticular teratomasIntracranial teratomaSacrococcygeal teratomasRetroperitoneal TeratomaTissueDifferentiationMature or immatureAriseEmbryonal carcinomaSurgicallyAsymptomaticSymptomsTumourSurgicalOccurScrotalCancerousInfantTailbone
Benign16
  • Mature teratomas include dermoid cysts and are generally benign. (wikipedia.org)
  • Mature teratomas generally are benign, with 0.17-2% of mature cystic teratomas becoming malignant. (wikipedia.org)
  • Teratomas range from benign, well-differentiated (mature) cystic lesions to those that are solid and malignant (immature). (medscape.com)
  • 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)
  • Most teratomas are benign, but some can be malignant. (rainbowkids.com)
  • Teratomas, even ones deemed benign, do come with a increased chance of reoccurrence of malignant tumors. (rainbowkids.com)
  • Although often benign, any teratoma have the potential to be malignant. (rainbowkids.com)
  • Histopathological examination of the swelling was reported as benign teratoma of the testis (Fig.1). (pediatriconcall.com)
  • Teratomas are considered to be rare and can be either benign (non-cancerous) or malignant (cancerous). (mdura.xyz)
  • Teratomas in newborns are generally benign and don't spread. (motelmexicolabali.com)
  • Ovarian teratoma is a benign or malignant tumor belonging to a group of germ cell tumors. (motelmexicolabali.com)
  • A teratoma is a tumor that can contain different types of benign tissue. (medicalnewstoday.com)
  • A teratoma is a benign tumor composed of tissue not normally found at a particular location of the body. (altogenlabs.com)
  • In most cases, ovarian teratomas are benign lesions with a cystic structure. (medicalwholesome.com)
  • The most common ovarian teratoma is mature teratoma (Latin teratoma maturum), it takes the form of a benign lesion with a cystic structure and its size is up to 10 centimeters. (medicalwholesome.com)
  • Despite the ominous name, however, ovarian teratomas are usually benign, and arise from totipotent stem cells which are capable of developing into any type of body cell. (ucl.ac.uk)
Ovary14
  • Teratomata typically form in the tailbone (where it is known as a sacrococcygeal teratoma), ovary, or testicle. (wikipedia.org)
  • A struma ovarii (also known as goitre of the ovary or ovarian goiter) is a rare form of mature teratoma that contains mostly thyroid tissue. (wikipedia.org)
  • Mature cystic teratoma of the ovary exhibiting multiple tissue types. (medscape.com)
  • Mature cystic teratoma of the ovary with hair, sebaceous material, and thyroid tissue. (medscape.com)
  • [ 3 ] Mature cystic teratomas of the ovary are often discovered as incidental findings on physical examination, during radiographic studies, or during abdominal surgery performed for other indications. (medscape.com)
  • 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)
  • What is cystic teratoma of the ovary? (motelmexicolabali.com)
  • In around 26% cases there is also a mature teratoma in the same ovary, and in around 10% on the opposite side [3] . (cancerwall.com)
  • Ovarian teratoma belongs to the group of germinal neoplasms of the ovary, which means that it develops from primary germ cells (so-called gonocytes) and then differentiates into fetal tissues of varying degrees of advancement and maturity. (medicalwholesome.com)
  • Immature teratoma of the ovary may require unilateral removal of the ovary, and in postmenopausal women, total hysterectomy with appendages. (medicalwholesome.com)
  • The specimen shown here (right) is a dermoid cyst, or cystic teratoma, which has formed inside an ovary. (ucl.ac.uk)
  • [ 3 ] Sacrococcygeal teratomas are more likely to recur than those in the ovary or other sites. (medscape.com)
  • The final pathology report showed a mature teratoma of the left ovary featuring dermoid cyst, respiratory anlaga, and struma ovarii. (cdc.gov)
Tumors10
  • Teratomas occur in the coccyx in about one in 30,000 newborns, making them one of the most common tumors in this age group. (wikipedia.org)
  • Ovarian teratomas represent about a quarter of ovarian tumors and are typically noticed during middle age. (wikipedia.org)
  • Teratomas are germ cell tumors commonly composed of multiple cell types derived from one or more of the 3 germ layers. (medscape.com)
  • Because of these common findings and the fact that teratomas form in the embryonic stage, there is a myth that these tumors are an embryo themselves or a twin, but that is false. (rainbowkids.com)
  • Ovarian teratomas are the most common group of ovarian germ cell tumors . (radiopaedia.org)
  • Teratomas are a germ cell tumors composed of two or more tissues which originate from ectoderm, endoderm or mesoderm. (medscape.com)
  • Mature cystic teratomas (MCTs) (commonly called 'dermoid cysts') are cystic tumors composed of well-differentiated tissue derived from at least two of the three germ cell layers (ectoderm, mesoderm and endoderm). (indexindex.com)
  • Teratomas (from Greek teras, meaning "monster," and - oma, a suffix denoting a tumor or neoplasm) and other germ cell tumors are relatively common solid neoplasms in children. (medscape.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)
  • 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)
Dermoid cysts2
  • This article focuses on mature cystic teratomas, commonly referred to as dermoid cysts. (medscape.com)
  • Teratomas , sometimes referred to as dermoid cysts, are a unique type of tumor that contain germ cells that can grow into brain or nervous tissue, glands, fat, and even skin, teeth and hair. (hormonesmatter.com)
Cysts3
  • Cysts within mature teratomas may have partially-developed organ systems: reports include cases of partial cranial bones, long bones and a rudimentary, beating heart. (wikipedia.org)
  • Diagnosis and management of teratoma and epidermoid cysts. (pediatriconcall.com)
  • Teratoid cysts are composed of all three germ layers but are poorly differentiated, while true teratomas consist of three well-differentiated germlayers. (fortunejournals.com)
Malignant6
  • Immature teratoma is the malignant counterpart of the mature teratoma and contains immature tissues which typically show primitive or embryonal neuroectodermal histopathology. (wikipedia.org)
  • Malignant transformation occurs in 1-3% of mature cystic teratomas (MCTs), usually in postmenopausal women. (medscape.com)
  • The finding of a malignant teratoma increase this chance even more. (rainbowkids.com)
  • OBJECTIVE: To investigate the incidence of malignant transformation and P53 and P16 expression in teratomatous skin of ovarian mature cystic teratoma. (keyopinionleaders.com)
  • There are also malignant teratomas, but these are much less common. (medicalwholesome.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)
Ovaries6
  • The term is most often applied to teratoma on the skull sutures and in the ovaries of females. (wikipedia.org)
  • Cystic teratomas occur most commonly in the ovaries and testes, but they can rarely be found in the anterior mediastinum, sacrococcygeal region, or neck. (medscape.com)
  • [ 6 , 8 ] Additional support came from Linder and associates' studies of mature cystic teratomas of the ovaries. (medscape.com)
  • Carcinomas arising in mature cystic teratomas of the ovaries from nine women were examined for the presence of p53 mutations. (keyopinionleaders.com)
  • Up to 15% of women with ovarian teratomas have them in both ovaries. (definithing.com)
  • A cystic teratoma is a type of tumor that arises from egg or sperm cells, in the ovaries or testicles. (motelmexicolabali.com)
Diagnosis6
  • The diagnosis of mature teratoma was based on microscopic features, where well-differentiated tissues representative of the three germ layers were observed. (ufla.br)
  • A certain diagnosis can only be made after histological examination of the teratoma. (cancerwall.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)
  • Diagnosis: Mature ovarian teratoma and corpus luteal cyst. (radiologycases.my)
  • Antenatal diagnosis of a sacrococcygeal teratoma. (bvsalud.org)
Showed a mature teratoma1
Chemotherapy3
  • Testicular and immature ovarian teratomas are also frequently treated with chemotherapy. (wikipedia.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)
  • The German MAKEI trials suggest that the recurrence rate for immature teratomas can be decreased to 9.5% with chemotherapy. (medscape.com)
Tumor that can contain1
  • A teratoma is a type of tumor that can contain tissues derived from multiple germ cell layers, such as hair, teeth, bone, and muscle. (mdura.xyz)
Present as a painless2
  • A testicular teratoma may present as a painless lump. (wikipedia.org)
  • Testicular teratomas most often present as a painless scrotal mass, except in the case of torsion. (medscape.com)
Embryonic5
  • CD133-enriched Xeno-Free human embryonic-derived neural stem cells expand rapidly in culture and do not form teratomas in immunodeficient mice. (ca.gov)
  • An immature teratoma can have cells that appear to be embryonic or fetal. (medicalnewstoday.com)
  • Teratoma formation is characterized by accelerated growth and a mixture of all three embryonic germ cell layers when xenografted into immunodeficient mice (read more about Altogen Labs xenograft services). (altogenlabs.com)
  • A teratoma is created via the injection of a customer's embryonic stem (ES) cells or induced pluripotent stem (iPS) cells. (altogenlabs.com)
  • By definition, teratomas include components derived from all three embryonic layers: ectoderm, endoderm, and mesoderm. (medscape.com)
Fetal4
  • The most diagnosed fetal teratomas are sacrococcygeal teratoma (Altman types I, II, and III) and cervical (neck) teratoma. (wikipedia.org)
  • Because these teratomas project from the fetal body into the surrounding amniotic fluid, they can be seen during routine prenatal ultrasound exams. (wikipedia.org)
  • [ 2 ] Sacrococcygeal teratomas may be diagnosed antenatally during routine ultrasounds, fetal anomaly scans, or when the mother presents with clinical symptoms such as size greater than dates or polyhydramnios. (medscape.com)
  • We present a case with a giant cervical teratoma and huge displacement and compression of the fetal trachea that was treated successfully at 35 weeks of gestation with a novel fetoscopic procedure to ensure extrauterine tracheal permeability by means of a fetal endoscopic tracheal intubation (FETI) before delivery. (karger.com)
Monodermal2
  • Additionally, teratomas may be monodermal and highly specialized. (medscape.com)
  • Another type of ovarian teratoma is monodermal teratoma. (cancerwall.com)
Germ layers1
  • The most widely accepted method for determining whether a population of cells is truly pluripotent is the teratoma assay, that is, verifying in vivo a cell population's ability to differentiate into each of the three germ layers via teratoma formation in mice. (genengnews.com)
Tissues2
  • A dermoid cyst is a mature cystic teratoma containing hair (sometimes very abundant) and other structures characteristic of normal skin and other tissues derived from the ectoderm. (wikipedia.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)
Cervical teratoma1
  • This presentation reports an unusual case of a large cervical teratoma in a newborn who presented with acute respiratory distress. (lml.com.ly)
Testicular teratomas3
  • In adults, testicular teratomas are generally cancerous. (wikipedia.org)
  • Testicular teratomas represent almost half of testicular cancers. (wikipedia.org)
  • 4) Pure testicular teratomas in prepubertal boys have not been reported to metastasize, whereas testicular teratomas in adults are associated with clinical metastasis in 60% cases. (pediatriconcall.com)
Intracranial teratoma2
  • This study described the pathological aspects of a mature intracranial teratoma with meningocele in a one-day-old lamb. (ufla.br)
  • To the best of our knowledge, this is the first report of intracranial teratoma with meningocele in animals. (ufla.br)
Sacrococcygeal teratomas2
  • Sacrococcygeal teratomas are generally not cancerous, and most babies do well with surgical treatment after birth. (ucsfbenioffchildrens.org)
  • Because all sacrococcygeal teratomas must be surgically removed after birth, arrangements should be made for the infant to be born in a specialized hospital with pediatric surgery expertise. (ucsfbenioffchildrens.org)
Retroperitoneal Teratoma2
  • A case of Klinefelter syndrome with retroperitoneal teratoma. (elsevierpure.com)
  • Dive into the research topics of 'A case of Klinefelter syndrome with retroperitoneal teratoma. (elsevierpure.com)
Tissue9
  • A teratoma is a tumor made up of several different types of tissue, such as hair, muscle, teeth, or bone. (wikipedia.org)
  • A mature teratoma often contains several different types of tissue such as skin, muscle, and bone. (wikipedia.org)
  • Teratomas are made up of multiple types of tissue, including. (keyopinionleaders.com)
  • The term "teratoma" comes from the Greek words "teras" meaning monster, and "onkoma" meaning swelling or tumor, refecting the tumor's diverse and often bizarre tissue components. (mdura.xyz)
  • Mature teratoma of the mediastinum: A horizontal slice of the resected tumor reveals fibrofatty tissue, calcified areas, and a few cystic spaces lined with smooth membrane and containing a hair. (mdwiki.org)
  • A teratoma is a congenital (present prior to birth) tumor formed by different types of tissue. (motelmexicolabali.com)
  • Teratomas can contain undeveloped tissue or a number of different kinds of mature tissue, including fat, hair, teeth, gland and muscle. (motelmexicolabali.com)
  • Mature teratomas can contain tissue such as bone, hair, or teeth. (medicalnewstoday.com)
  • In mature ovarian teratoma, there are various cell structures, such as masses of sebum with tangled hair, and sometimes bulges with growing teeth, or deformed cartilage or bone tissue. (medicalwholesome.com)
Differentiation2
  • thus, the presence of some degree of organization, a high degree of cellular differentiation, and cystic structure differentiates dermoids from teratomas. (medscape.com)
  • Teratomas happen when complications arise during your cells' differentiation process. (motelmexicolabali.com)
Mature or immature2
  • Teratomas are generally described as either mature or immature. (motelmexicolabali.com)
  • Teratomas may be classified as mature or immature on the basis of the presence of immature neuroectodermal elements within the tumor. (medscape.com)
Arise4
  • 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)
  • Cystic Teratoma is a type of tumor that can arise on sperm cells. (motelmexicolabali.com)
  • It has been discovered that teratomas arise from a single germ cell after its first division. (cancerwall.com)
  • Mutter suggested that these genes or the cells have only the maternal imprint because many teratomas arise from a parthenogenetically activated egg. (medscape.com)
Embryonal carcinoma5
  • Testicular mixed embryonal carcinoma and teratoma is a type of mixed germ cell cancer that arises from the testis. (withoutaribbon.org)
  • There is no known cause, but it is thought that certain genetic and hereditary mutations, as well as exposure to certain environmental factors, can cause the development of testicular mixed embryonal carcinoma and teratoma. (withoutaribbon.org)
  • What Support can we Give for Testicular Mixed Embryonal carcinoma and Teratoma? (withoutaribbon.org)
  • Testicular Mixed Embryonal carcinoma and Teratoma is rare cancer, meaning it is not as well-known as other forms of cancer. (withoutaribbon.org)
  • If you suffer from rare cancer such as Testicular Mixed Embryonal carcinoma and Teratoma, we can help and support you through your journey thanks to the generous donations we receive. (withoutaribbon.org)
Surgically1
  • Mature cystic teratomas can be surgically removed and they don't require any other treatment [5] . (cancerwall.com)
Asymptomatic2
Symptoms5
  • What are the signs and symptoms of ovarian teratomas? (motelmexicolabali.com)
  • Symptoms of a teratoma. (motelmexicolabali.com)
  • Teratomas may have no symptoms at first. (motelmexicolabali.com)
  • If the teratoma is bigger in size, it can cause some unspecific symptoms like abdominal discomfort or pain. (cancerwall.com)
  • Due to the possible torsion of the cyst stalk, symptoms of ovarian teratoma may occur in the form of: acute abdominal pain, abdominal muscle tension, chills and increased body temperature, nausea and vomiting. (medicalwholesome.com)
Tumour2
  • A teratoma tumour is a rare type of cancerous growth that can occur anywhere in the body. (keyopinionleaders.com)
  • Although teratomas can develop in almost any part of the body - including the brain, neck, bladder, and the testes in men - being confronted with a toothy tumour in the female reproductive organs brought to mind mythic archetypes of the sexually devouring and deadly woman. (ucl.ac.uk)
Surgical3
  • The treatment of mature teratomas is largely surgical. (medscape.com)
  • Surgical Resection Alone Is Effective Treatment For Ovarian Immature Teratoma In. (keyopinionleaders.com)
  • After surgical removal, he was diagnosed to have mature cystic teratoma. (elsevierpure.com)
Occur2
Scrotal1
  • Thus, testicular teratoma should be considered in any child with painless inguino-scrotal swelling. (pediatriconcall.com)
Cancerous2
Infant1
  • Report of Case In our case the teratoma was discovered in a stillborn infant whose mother was 28 years old and had been three times pregnant. (jamanetwork.com)
Tailbone2