granulosa cell tumor

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gran·u·lo·sa cell tu·mor

n. tumor de la granulosa.
References in periodicals archive ?
Granulosa cell tumor of the ovary: Common findings and unusual appearances on CT and MR.
In mice treated with the low dose of OH-PCB-61 (40 [micro]g), tumor incidences were as follows: CV tract carcinomas, 13% (4 of 30); granulosa cell tumor, 10% (3 of 30); mammary gland tumors, 13% (4 of 30); and hemangiosarcomas, 7% (1 of 30).
Nine additional cases of testicular, sex cord-stromal tumors were evaluated for comparison, including 1 juvenile granulosa cell tumor, 5 Leydig cell tumors, and 3 Sertoli-Leydig cell tumors.
Among the histologic subtypes of granulosa cell tumors, juvenile granulosa cell tumors are rare, and typically present early.
Congenital juvenile granulosa cell tumor of the testis in newborns.
Feminizing tumors of the testis: general review with case report of a granulosa cell tumor of the testis.
Reference Diagnoses (Correct General Classification, %)a Reference Category N Correlation, % Benign cysts 22 100 Endometriosis 5 100 Leiomyoma 1 100 Fibroma 3 100 Benign lesion, NOS 3 100 Brenner tumor 1 100 Borderline tumor 5 60 Granulosa cell tumor 2 100 Invasive carcinoma 10 100 Total 52 96 Total benign 34 100 Total malignant/BL/UNC 18 89 Abbreviations: BL, borderline; NOS, not otherwise specified; UNC, uncertain malignant potential.
Inhibin A identifies steroid-producing cells, and thus is a sensitive marker for ACC, ovarian granulosa cell tumor, and testicular Sertoli-Leydig cell tumor.
Testicular granulosa cell tumor of the adult type is a very rare tumor, and to date, only a small number of cases have been reported.
Granulosa cell tumors (and possibly other reproductive tract tumors) may be functional and cause increased plasma hormone levels, (8,9) but unfortunately, plasma hormone levels were not analyzed in this case.
In 1937, Meigs came to similar conclusion about ovarian fibromas and granulosa cell tumors.
In humans, it has been associated to long term therapy with anabolic steroids [18] and in laboratory animals it has experimentally been produced with B1 aflatoxin [9], vinyl chloride [26], Lasiocarpine [12], experimental inoculations with murine leucemia9Hvirus [6] or in mice transplanted with granulosa cell tumors or interstitial cell tumors [27].