Table 1 |
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|
Comparison of key histologic features to the mentioned differential diagnosis |
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|
Histologic features |
Fibroma with minor sex cord elements |
Ovarian Fibromatosis |
Brenner tumor |
Adenofibroma |
|
|
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|
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 |
|
|
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|
Mandal et al. Diagnostic Pathology 2007 2:46 doi:10.1186/1746-1596-2-46 |
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