To characterize the cytological features of @entity5426 , we reviewed the fine-needle aspiration material and corresponding histologic sections of 29 @entity5 in 23 @entity1 . Histologically, 24 @entity5 were of the classic type, and 5 were @entity5426 . The original corresponding cytologic diagnoses were as follows: @entity5426 , 17 cases; @entity242 not otherwise specified, 8 cases; and @entity980 , 1 case. Three samples were cell-poor and were considered suspicious of @entity5 . The review of cytology samples showed that smears were cell-rich in 17 @entity5 and cell-poor in 12 @entity5 . A hemorrhagic background was present in 9 cases. @entity5 cells were polymorphous, including spindle-shaped, round to oval, and polygonal epithelioid cells and giant cells in different proportions. Erythrophagocytosis was seen in 12 @entity5 . Smears of @entity5426 were polymorphous and lacking specific characteristics, whereas smears of epithelioid @entity5 were morphologically similar and composed of round to oval and polygonal, epithelial cells frequently arranged in clusters, and showing erythrophagocytosis. The wide spectrum of cellular components of @entity5426 accounts for the difficulty in establishing accurate @entity5 typing, particularly with cell-poor samples and low-grade classic @entity5426 . Entities to consider in the differential diagnosis are @entity189 , @entity242 , @entity980 , and @entity320 .

Cytohistologic correlations in XXXX including classic and epithelioid variants: Institut Curie's experience.

@entity1 :: ('9606', 'Species') :: ['patients'] @entity242 :: ('MESH:D012509', 'Disease') :: ['sarcoma', 'epithelioid sarcoma'] @entity5 :: ('MESH:D009369', 'Disease') :: ['tumor', 'Tumor', 'malignancy', 'tumors'] @entity5426 :: ('MESH:D006394', 'Disease') :: ['classic angiosarcomas', 'angiosarcoma', 'angiosarcomas', 'epithelioid angiosarcomas'] @entity189 :: ('MESH:D002277', 'Disease') :: ['carcinoma'] @entity980 :: ('MESH:D012208', 'Disease') :: ['pleomorphic rhabdomyosarcoma', 'rhabdomyosarcoma'] @entity320 :: ('MESH:D008545', 'Disease') :: ['malignant melanoma']
@entity5426 :: (MESH:D006394,Disease) :: ['angiosarcoma']
