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Table 2 The morphologic and immunohistochemical feature of orbital solitary fibrous tumour, fibrous histiocytoma and haemangiopericytoma

From: CD34 + tumours of the orbit including solitary fibrous tumours: a six-case series

 

Solitary fibrous tumour

Fibrous histiocytoma

Haemangiopericytoma

Histopathology

Spindle shaped cells with scanty eosinophilic cytoplasm

Foamylike histiocytes and spindle-shaped fibroblasts-like cells arranged in a storiform pattern

Staghorn sinusoidal blood vessels with individual tumour cells surrounded by reticulin fibers

CD34

High reactivity

Reactivity?

High reactivity, less diffusely and weaker compared with SFTs

Vimentin

High reactivity

-

High reactivity

S-100

Negative

-

Negative

EMA

Negative

-

Negative

CD68

-

Reactivity

-

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