Microscopic tubal sex cord proliferations with a Sertoli cell tumour pattern and ovarian-type stromal transformation of the fimbriae

Abstract

A recent paper¹ reported microscopic nodules of sex-cord stromal proliferations mimicking adult granulosa cell and sex-cord tumour with annular tubules in extraovarian locations. However, Sertoli cell tumour patterns were not described in them. We add two cases of multiple, microscopic foci of differentiated Sertoli cell proliferation in the fallopian tube, one of which coexisted and merged with areas of fimbrial ectopic ovarian-like stroma.

Both cases were incidental findings in the fallopian tubes from 42 and 35 year-old patients, operated respectively for uterine leiomyoma and ovarian grade 1 endometrioid carcinoma. Both were recent cases with short follow-up.

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