• 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)
  • Epithelial ovarian tumors are the most common tumor subtype. (amboss.com)
  • Various cell lineages such as the epithelial glandular cells and the stromal spindle cells are involved. (ijpmonline.org)
  • 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)
  • Solitary or multiple benign hepatic vascular tumors, usually occurring in women of 20-50 years of age. (lookformedical.com)
  • 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)
  • 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)
  • 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)
  • As a result, it is necessary to register each occurrence in order to study the evolution of this rare malignancy and develop therapeutic strategies. (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)
  • 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 LWPES-ESPE terminology mainly reflects the chromosomal sex or the gonadal tissue associated with the disorder. (medscape.com)
  • An increase in the number of cells in a tissue or organ without tumor formation. (lookformedical.com)
  • Endometrial hyperplasia is classified by its cytology and glandular tissue. (lookformedical.com)
  • 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)
  • 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)
  • However, the paradigm of early gender assignment has been challenged by the results of clinical and basic science research, which show that gender identity development likely begins in utero and may not be the same as chromosomal or phenotypic sex. (medscape.com)
  • In 2006, the Lawson Wilkins Pediatric Endocrine Society (LWPES) and the European Society for Paediatric Endocrinology (ESPE) published proposed changes to the previously used nomenclature and definitions of disorders in which the development of chromosomal, gonadal, or phenotypic sex is atypical. (medscape.com)
  • Solitary tumors of the uterus which arise de novo from the mesenchymal cells of the myometrium. (brainscape.com)
  • Characterized byvtche presence of tumor necrosis, cytologic atypia and mitotic activity. (brainscape.com)
  • The aim of cytoreductive surgery is to confirm the diagnosis, define the extent of disease, and resect all visible tumor. (medscape.com)
  • When these cells become abnormal, they have the ability to divide and form tumors. (wikipedia.org)
  • Differences (disorders) of sex development (DSDs), formerly termed intersex conditions, are seen in infants who are born with ambiguous or abnormal genitalia and may have indeterminate phenotypic sex. (medscape.com)
  • [5] Ovarian teratomas represent about a quarter of ovarian tumors and are typically noticed during middle age. (mdwiki.org)
  • The public health importance of listeriosis is not always recognized, particularly because listeriosis is a relatively rare disease compared with other common foodborne illnesses such as salmonellosis or botulism. (ijpmonline.org)
  • It's the second most common cancer in women, but can also, on rare occasion, affect men as well. (osmosis.org)
  • As part of our mission to eliminate cancer, MD Anderson researchers conduct hundreds of clinical trials to test new treatments for both common and rare cancers. (mdanderson.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)
  • The typical symptoms of an LMP tumor can include abdominal distension or pelvic pain. (wikipedia.org)
  • Ovarian tumors include luteoma of pregnancy, arrhenoblastoma, hilar-cell tumor, masculinizing ovarian stromal cell tumor, and Krukenberg tumor. (health.am)
  • Fetus in fetu and fetiform teratoma are rare forms of mature teratomas that include one or more components resembling a malformed fetus. (mdwiki.org)
  • It is a relatively rare but invasive cancer that tends to metastasize to the vagina , liver, kidneys, lungs, and central nervous system. (osmosis.org)
  • However, there are rare occurrences of aggressive de novo carcinosarcomas of the parotid that have been reported. (ijpmonline.org)
  • Rupture of a mucinous cystadenoma or cystadenocarcinoma leading to the spread of tumor cells throughout the peritoneum . (amboss.com)
  • 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)
  • Untreated maternal virilizing CAH is another potential cause, though androgen-secreting adrenal tumor in the mother is rare. (health.am)
  • Because of the enormous dimensions of the GCT, intra-abdominal partial resection of the tumor using a tenotomy knife was necessary to exteriorize the ovarian pedicle. (bvsalud.org)
  • [4] Symptoms may be minimal if the tumor is small. (mdwiki.org)
  • In rare cases, GCTs cause hemoperitoneum as a result of the rapid growth of the tumor. (bvsalud.org)
  • Is defined as the inability to conceive a child with regular sex without contraception for 12 months, provided the partners are of childbearing age. (clomid-info.com)
  • A soft polypoid mass, which is a rare form of primary vaginal cancer. (brainscape.com)