mesonephric remnants

mesonephric remnants

The presence of embryonal remnants in the form of tubules and glands deep in the lateral aspects of the cervical stroma.
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On the benign spectrum it has to be differentiated from hyperplasia of mesonephric remnants.
13) In addition, recent reports have shown that PAX8 is expressed in lesions of Wolffian/ mesonephric origin, including mesonephric remnants, mesonephric hyperplasia, mesonephric adenocarcinoma, and carcinosarcoma.
95,96) Histologically, mesonephric remnants are characterized by: (1) small collections of tubules arranged in well-circumscribed lobules with or without a central duct; (2) single layer of cuboidal cells with scant cytoplasm and bland nuclei lining the tubules; (3) absent mitotic activity; and (4) bright pink to red hyaline, periodic acid-Schiff (PAS)-positive, diastase-resistant intraluminal contents.
A pre-tailored panel of antibodies in the study of cervical mesonephric remnants.
Mesonephric remnants, hyperplasia, and neoplasia in the uterine cervix: a study of 49 cases.
Staining for p16 of cervical mesonephric remnants and hyperplasia: a potential diagnostic pitfall.
Mesonephric remnants or hyperplasia can cause abnormal pap smears: a study of three cases.
Mesonephric remnants are mesonephric duct vestiges that can be identified histologically in both the male and female genital tract.
Mesonephric remnants of the prostate: incidence and histologic spectrum.
Florid hyperplasia of mesonephric remnants involving prostate and periprostatic tissue: possible confusion with adenocarcinoma.
Histologic Mimickers of Prostatic Adenocarcinoma Small gland pattern Lesions of prostatic epithelial origin Atrophy Adenosis (atypical adenomatous hyperplasia) Crowded benign glands Sclerosing adenosis Basal cell hyperplasia Radiation and reactive atypia Verumontanum mucosal gland hyperplasia Lesions of nonprostatic epithelial origin Seminal vesicle and ejaculatory duct epithelium Cowper glands Mesonephric remnants Colonic glands Nephrogenic adenoma Large and cribriform gland patterns (Clear cell) cribriform hyperplasia Cribriform basal cell hyperplasia Medium- to large-sized hyperplastic glands Solid and nonglandular patterns Granulomatous prostatitis Prostatic xanthoma Paraganglia Signet ringlike change Table 2.
Mesonephric remnants may give rise to tumors occurring in the retroperitoneum, gonads, and the inguinal region, whereas the remains of the pronephros may account for those tumors occurring more cranially (mediastinum and the chest wall).