表现为头皮囊肿的软组织骨化性纤维黏液样肿瘤。
Ossifying fibromyxoid tumor of soft parts presenting as a scalp cyst.
作者信息
Seykora John T, Kutcher Cynthia, van de Rijn Matt, Dzubow Leonard, Junkins-Hopkins Jaqueline, Ioffreda Micheal
机构信息
Department of Dermatology, University of Pennsylvania Medical School, Philadelphia, PA, USA. john.seykora.uphs.upenn.edu
出版信息
J Cutan Pathol. 2006 Aug;33(8):569-72. doi: 10.1111/j.1600-0560.2006.00444.x.
BACKGROUND
Ossifying fibromyxoid tumor of soft parts (OFMT) is a rare mesenchymal neoplasm of intermediate malignant potential. The tumor most commonly occurs on the extremities with a male predominance. We present an unusual case of OFMT occurring as a cystic lesion on the scalp of a female.
CASE HISTORY
A 67-year-old woman presented with a 6-year history of a well demarcated cystic scalp mass. Physical examination revealed a slightly movable, multilobular mass of the left parietal scalp which was subsequently excised. Histological evaluation revealed an OFMT comprised of bland, small cells and a thick collagenous capsule containing an incomplete rim of lamellar bone.
CONCLUSION
OFMT is an unusual tumor which can usually be considered as having an intermediate risk of malignancy. It generally occurs in the extremities with a male predominance. The clinical differential for a cystic mass on the scalp is broadened by this unusual case of an OFMT.
背景
软组织骨化性纤维黏液样肿瘤（OFMT）是一种具有中等恶性潜能的罕见间叶性肿瘤。该肿瘤最常发生于四肢，男性多见。我们报告一例罕见的OFMT病例，表现为一名女性头皮上的囊性病变。
病例史
一名67岁女性，有一个边界清晰的头皮囊性肿块病史6年。体格检查发现左顶叶头皮有一个可轻微移动的多叶状肿块，随后将其切除。组织学评估显示为一个由温和的小细胞和一个含有不完全板层骨边缘的厚胶原性包膜组成的OFMT。
结论
OFMT是一种不常见的肿瘤，通常可认为具有中等恶性风险。它一般发生于四肢，男性多见。这例不寻常的头皮囊性肿块OFMT病例拓宽了其临床鉴别诊断范围。
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