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Storiform pattern of fibrous tissue

# Storiform pattern of fibrous tissue is seen in:
a. Fibrosarcoma
b. Malignant fibrous histiocytoma
c. Neurofibroma
d. Ameloblastic fibroma



The correct answer is: B. Malignant fibrous histiocytoma.

MALIGNANT FIBROUS HISTIOCYTOMAS
- are group of aggressive malignant neoplasms, arising from undifferentiated mesenchymal cells that differentiate along both fibroblastic and histiocyte pathways.
- Histologically the neoplasm reveals actively proliferating, numerous polyhedral or oval shaped, malignant histiocytes and many spindle shaped malignant fibrous cells.
- These malignant cells are often arranged in a typical "Cart-wheel" or "Storiform" pattern or Criss cross.
- Fibrous histiocytoma: Storiform pattern (helicopter in wheat field) is seen.

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