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Adenomatoid tumors are rare and benign mesothelial tumors, which arise from the lining of organs. It mainly presents in the genital tract, in regions such as the testis [ 1 ] and epididymis. [ 2 ] Because of this, researchers had a difficult time concluding that type of tumor has a mesothelial origin. Immunohistochemistry staining of tumor ...
Adenomyoma is a tumor (-oma) including components derived from glands (adeno-) and muscle (-my-). [ 1 ] It is a type of complex and mixed tumor, and several variants have been described in the medical literature. Uterine adenomyoma, the localized form of uterine adenomyosis, is a tumor composed of endometrial gland tissue and smooth muscle in ...
Endometrioid tumor. Histopathology of a well-differentiated endometrioid adenocarcinoma in the ovary. Specialty. Oncology, gynecology. Endometrioid tumors are a class of tumors that arise in the uterus or ovaries that resemble endometrial glands on histology. [1] They account for 80% of endometrial carcinomas [1]: 724 and 20% of malignant ...
Endometrial intraepithelial neoplasia (EIN) is a premalignant lesion of the uterine lining that predisposes to endometrioid endometrial adenocarcinoma. It is composed of a collection of abnormal endometrial cells, arising from the glands that line the uterus, which have a tendency over time to progress to the most common form of uterine cancer ...
Uterine serous carcinoma is a malignant form of serous tumor that originates in the uterus. It is an uncommon form of endometrial cancer that typically arises in postmenopausal women. It is typically diagnosed on endometrial biopsy, prompted by post-menopausal bleeding. Unlike the more common low-grade endometrioid endometrial adenocarcinoma ...
Gynecology, oncology. Uterine clear-cell carcinoma (CC) is a rare form of endometrial cancer with distinct morphological features on pathology; it is aggressive and has high recurrence rate. Like uterine papillary serous carcinoma CC does not develop from endometrial hyperplasia and is not hormone sensitive, rather it arises from an atrophic ...
Mucinous cystadenoma is a benign cystic tumor lined by a mucinous epithelium. It is a type of cystic adenoma (cystadenoma). Mucinous cystadenomas arise in a number of locations; however, cases of mucinous cystadenoma at different locations are not generally considered to be related to one another.
Desmoid tumors are a type of fibromatosis and related to sarcoma, though without the ability to spread throughout the body (metastasize). The tumors arise from cells called fibroblasts, which are found throughout the body and provide structural support, protection to the vital organs, and play a critical role in wound healing. These tumors tend ...