Ovary, Fibroma, H&E stain

Fibromas are the most common sex cord-stromal tumour. While they can occur at any age, it is a disease generally of middle-aged women. It is uncommon in women aged 3/10 HPFs), intracytoplasmic hyaline droplets, bizarre nuclei, and Verocay-like areas. In this case, however, all of these features were absent.

Differential diagnoses include synovial sarcoma, ovarian fibrosarcoma, leiomyoma, and sclerosing stromal tumour.

This slide shows H&E stain. See related content for SMA, inhibin, and calretinin stains.

Another example of ovarian fibroma is described in LMP95285 (see Related Content).