The Multifaceted Granulosa Cell Tumours—Myths and Realities: A Review
(a) CT scan abdomen shows a large heterogenous pelvic mass (), solid and cystic. Abscess, ?GIST extracolonic mass, ?Ovarian tumour. (b) Photomicrograph of haematoxylin and eosin-stained slide at low power (lens objective x4) shows the presence of two distinct histological phenotypes: a) diffuse cords of neoplastic cells in the upper left-hand corner (+) and b) neoplastic glands with “dirty” necrosis in the lower right-hand corner (). (c) Photomicrograph of immunohistochemical staining shows diffuse-positive staining to inhibin A in the solid cords of neoplastic cells (+) with negative staining in the adjacent glandular component (). (d) Photomicrograph of immunohistochemical staining shows diffuse positive staining to CK20 in the glandular component () with negative staining in the adjacent solid cords of neoplastic cells (+).
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