Table 1

Comparison of key histologic features to the mentioned differential diagnosis

Histologic features

Fibroma with minor sex cord elements

Ovarian Fibromatosis

Brenner tumor

Adenofibroma


Spindled cells in fascicles & whorls

Present

Present

Present

Present

Collagen

Variable

Abundant

variable

variable

Normal ovarian follicles

Replaced by fibrous stroma

Preserved

absent

absent

Small nests of undifferentiated sex cord type cells

Present (<10% of tumor area)

absent

absent

absent

Edema

absent

Present

absent

absent

Epithelial nests of transitional/mucinous cells

absent

absent

Present

absent


Mandal et al. Diagnostic Pathology 2007 2:46   doi:10.1186/1746-1596-2-46

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