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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Primary intraosseous hybrid epithelioid schwannoma/perineurioma in the proximal tibia: a case report of benign hybrid neoplasm with local hypercellularity

Fig. 2

Histological and immunohistochemical characteristics of the hypocellular areas. a. Epithelioid cells with bland nuclei and eosinophilic cytoplasm arranged in small clusters within fibromyxoid matrix. Haematoxylin-eosin staining, 400x magnification. b. Elongated spindle cells arranging in a lamellar architecture harboured wavy, thin nuclei and delicate bipolar cytoplasmic processes. Haematoxylin-eosin staining, 400x magnification. c. Epithelioid cells showed a nuclear and cytoplasmic positive reaction for S100 protein. Immunohistochemical staining, 400x magnification. d. Elongated spindle cells exhibited a positive reaction for EMA. Immunohistochemical staining, 400x magnification

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Diagnostic Pathology

ISSN: 1746-1596

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