pigmented dermatofibrosarcoma protuberans

(redirected from Bednar tumor)

pig·men·ted der·mat·o·fi·bro·sar·co·ma pro·tu·ber·ans

an uncommon variant of dermatofibrosarcoma protuberans containing heavily pigmented dendritic melanocytes scattered between spindle cells of the tumor.

Bednar tumour

A form of dermatofibrosarcoma protuberans (DFSP) that contains heavily pigmented (melanin) dendritic cells, which contrasts with dermatofibromas which contain haemosiderin pigment.

Bednar,

Blahoslav, 20th century Czech pathologist.
Bednar tumor - an uncommon variant of dermatofibrosarcoma protuberans containing heavily pigmented dendritic melanocytes scattered between spindle cells of the tumor. Synonym(s): pigmented dermatofibrosarcoma protuberans
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References in periodicals archive ?
Histologic examination of pigmented dermatofibrosarcoma protuberans (Bednar tumor) shows plump, spindle cells arranged in a storiform pattern in central areas of the tumor and a diffuse infiltration of the dermal stroma and subcutis.
An ultrastructural and immunohistochemical study of pigmented dermatofibrosarcoma protuberans (Bednar tumor).
Bednar tumor: report of a case with immunohistochemical and ultrastructural study.
Enjoji, "Bednar Tumor (Pigmented Dermatofibrosarcoma Protuberans): An Analysis of Six Cases," Pathology International, vol.
Morohashi, "An ultrastructural and immunohistochemical study of pigmented dermatofibrosarcoma protuberans (Bednar tumor)," European Journal of Dermatology, vol.
Reynolds, "Dermatofibrosarcoma protuberans and the bednar tumor: Treatment in the pediatric population," Journal of Pediatric Surgery, vol.
Bednar Tumor: Treatment With Mohs Micrographic Surgery.
When they are pigmented they can be misdiagnosed clinically as malignant melanoma, bednar tumor, mycosis fungoides and neurothekeoma.