• The ovaries consist of different types of tissue ( epithelial , germ cells, and sex cord tissue), which may give rise to benign or malignant tumors . (amboss.com)
  • Ovarian tumors include luteoma of pregnancy, arrhenoblastoma, hilar-cell tumor, masculinizing ovarian stromal cell tumor, and Krukenberg tumor. (health.am)
  • Solitary tumors of the uterus which arise de novo from the mesenchymal cells of the myometrium. (brainscape.com)
  • Epithelial ovarian carcinoma is the most common type of ovarian cancer, comprising more than 95% of cases. (wikipedia.org)
  • Primary lesions include epithelial ovarian carcinoma (70% of all ovarian malignancies). (medscape.com)
  • We report 23 cases of tumors of the salivary gland comprising 18 cases of carcinoma ex pleomorphic adenoma, four cases of carcinosarcoma of the parotid and one case of benign metastasizing pleomorphic adenoma. (ijpmonline.org)
  • Cervical vertebrae 1,2, …?Ca: Calcium?Ca: Cancer?Ca: Carcinoma?Ca: Cardiac arrest?Ca: Coronary artery?CA-125: A tumor marker for ovarian cancer?CAB: Cellulose acetate butyrate?CABG: Coronary artery bypass graft?CACI: Computer-Assisted Continuous Infusion?CAD: Coronary artery disease?CAG: ?CAH: Chronic active hepatitis?CAH: Congenital adrenal hyperplasia?calid. (kuwaitpharmacy.com)
  • Sex cord-stromal tumors are groups of tumors composed of granulosa cells, theca cells, Sertoli cells, Leydig cells, and fibroblasts of stromal origin, singly or in various combinations. (medscape.com)
  • A worldwide database analysis revealed that younger age, smaller tumor size, early stage, and granulosa cell tumor histologic type appear to be independent prognostic factors for improved survival in patients with malignant sex cord-stromal tumors who undergo lymph node dissection. (medscape.com)
  • Solitary or multiple benign hepatic vascular tumors, usually occurring in women of 20-50 years of age. (lookformedical.com)
  • Epithelial ovarian tumors are the most common tumor subtype. (amboss.com)
  • Ovarian borderline tumors, also known as low malignant potential (LMP) ovarian tumors, do not cause an increase in CA125 levels and are not identifiable with an ultrasound. (wikipedia.org)
  • Uterine PEComa is a rare tumor, which is distinguished into borderline and malignant, according to a risk assessment algorithm. (bvsalud.org)
  • Produces a "barrel cervix" if the tumor encircles the cervix and invades the underlying stroma. (brainscape.com)
  • Nests of endometrial stroma, glands or both are found in the myometrium, in between muscle bundles. (brainscape.com)
  • Characterized by the presence of endometrial glands and stroma in a location outside the endomyometrium. (brainscape.com)
  • Characterized byvtche presence of tumor necrosis, cytologic atypia and mitotic activity. (brainscape.com)
  • The most common histology-high-grade serous epithelial ovarian cancer-is considered as a single clinical entity along with fallopian tube and peritoneal cancers because of shared clinical features. (merckmanuals.com)
  • The most common histology-high-grade serous epithelial ovarian cancer-is considered as a single clinical entity along. (merckmanuals.com)
  • The second one is epithelial hyperplasia of cells in terminal ducts and lobular epithelium, which is associated with an increased risk of breast cancer only if there's a presence of atypical cells. (osmosis.org)
  • Endometrial hyperplasia is classified by its cytology and glandular tissue. (lookformedical.com)
  • Various cell lineages such as the epithelial glandular cells and the stromal spindle cells are involved. (ijpmonline.org)
  • Teratomas occur in the coccyx in about one in 30,000 newborns, making them one of the most common tumors in this age group. (mdwiki.org)
  • [5] Ovarian teratomas represent about a quarter of ovarian tumors and are typically noticed during middle age. (mdwiki.org)
  • C: Tumor either Stage IA or Stage IB, but with tumor on the surface of one or both ovaries, or with capsule ruptured, or with ascites containing malignant cells or with positive peritoneal washings. (medscape.com)
  • Tumor involving one or both ovaries with peritoneal implants outside the pelvis and/or positive retroperitoneal or inguinal nodes. (medscape.com)
  • B. Tumor of one or both ovaries with histologically confirmed implants of abdominal peritoneal surfaces, none exceeding 2 cm in diameter. (medscape.com)
  • The aim of cytoreductive surgery is to confirm the diagnosis, define the extent of disease, and resect all visible tumor. (medscape.com)
  • The distinction between low-grade and high-grade endometrial stromal sarcoma is primarily morphological and immunohistochemical and the detection of fusion transcripts can help the diagnosis. (bvsalud.org)
  • CD56 is a sensitive marker of ovarian sex cord-stromal tumors and may also be useful in the diagnosis of this group of neoplasms, especially in cases that are inhibin or calretinin negative, and the differential diagnosis includes neoplasms that are CD56 negative. (medscape.com)
  • Arise from sex cord cells (e.g. (amboss.com)
  • GU tract pathologies can arise potentially at any stage of a person's life: newborns and infants can start showing signs and symptoms of congenital GU abnormalities, early or delayed puberty can become a burden for adolescents, STDs remain a major public health concern in sexually active teens and adults, and the potential for gonadal or cervical malignancy is constantly looming in particular cases. (lecturio.com)
  • The typical symptoms of an LMP tumor can include abdominal distension or pelvic pain. (wikipedia.org)
  • Depending on tumor sites, patients received pelvic ± para-aortic external beam radiation therapy. (bvsalud.org)
  • Malignancy arising in mixed tumors of the salivary gland is a distinct entity that can occur sporadically or in association with a background of pleomorphic adenoma. (ijpmonline.org)
  • Low-grade and high-grade endometrial stromal sarcomas, other rare tumors associated with fusion transcripts (such as NTRK, PDGFB, ALK, RET ROS1) and SMARCA4-deficient uterine sarcoma are considered simple genomic sarcomas. (bvsalud.org)
  • A teratoma is a tumor made up of several different types of tissue , such as hair , muscle , teeth , or bone . (mdwiki.org)
  • 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)
  • An increase in the number of cells in a tissue or organ without tumor formation. (lookformedical.com)
  • Rupture of a mucinous cystadenoma or cystadenocarcinoma leading to the spread of tumor cells throughout the peritoneum . (amboss.com)
  • A. Tumor grossly limited to the true pelvis with negative nodes but with histologically confirmed microscopic seeding of abdominal peritoneal surfaces. (medscape.com)
  • The occurrence of various malignancies suggests that this phenomenon is not very uncommon and should be looked for when reporting a mixed tumor. (ijpmonline.org)
  • Evaluation usually includes ultrasonography, CT or MRI, and measurement of tumor markers (eg, cancer antigen 125). (merckmanuals.com)
  • Although various markers have been reported to stain sex cord-stromal tumors (eg, CD99, CD56, A103, müllerian inhibiting factor, vimentin), inhibin and calretinin have proven to be the most helpful to date. (medscape.com)
  • When these cells become abnormal, they have the ability to divide and form tumors. (wikipedia.org)
  • They are a type of germ cell tumor (a tumor that begins in the cells that give rise to sperm or eggs ). (mdwiki.org)
  • Through genetic studies of exome sequence, it was found that gliomatosis is genetically identical to the parent ovarian tumor and developed from cells that disseminate from the ovarian teratoma. (mdwiki.org)
  • Less common types of ovarian cancer include germ cell tumors and sex cord stromal tumors. (wikipedia.org)
  • Ovarian cancer is the most common cause of cancer death from gynecologic tumors in the United States. (medscape.com)
  • Immature teratoma has one of the lowest rates of somatic mutation of any tumor type and results from one of five mechanisms of meiotic failure. (mdwiki.org)
  • Untreated maternal virilizing CAH is another potential cause, though androgen-secreting adrenal tumor in the mother is rare. (health.am)
  • [4] Symptoms may be minimal if the tumor is small. (mdwiki.org)
  • Sex cord-stromal tumors account for approximately 8% of all ovarian tumors. (medscape.com)
  • Molecular genetics and immunopathologic analysis of bladder cancer have shown some abnormalities in a number of genes and proteins that have been implicated in the development and progression of such tumors, mainly in the p53 pathway. (ijpmonline.org)
  • This disorder of the vulva is marked by epithelial thickening, expansion of the stratum granulosum, significant surface hyperkeratosis and pronounced leukocytic infiltrate. (brainscape.com)