北京大学学报(医学版) ›› 2018, Vol. 50 ›› Issue (4): 752-754. doi: 10.3969/j.issn.1671-167X.2018.04.033

• 病例报告 • 上一篇    下一篇

皮肤浆细胞增多症1例

张思,李文海,赵琰,蔡林△   

  1. (北京大学人民医院皮肤科, 北京100044)
  • 出版日期:2018-08-18 发布日期:2018-08-18
  • 通讯作者: 蔡林 E-mail:scailin66@hotmail.com

A case report of cutaneous plasmacytosis

ZHANG Si, LI Wen-hai, ZHAO Yan, CAI Lin△   

  1. (Department of Dermatology, Peking University People’s Hospital, Beijing 100044, China)  
  • Online:2018-08-18 Published:2018-08-18
  • Contact: CAI Lin E-mail:scailin66@hotmail.com

摘要: 皮肤合并系统性浆细胞增多症(cutaneous and systemic plasmacytosis,CSP)是一种以皮肤或多系统成熟浆细胞浸润为特征的良性疾病,最常累及皮肤、淋巴结、骨髓,发病率较低,亚洲人多见,男性发病率稍高,典型的发病年龄为20~55岁。该病的特征为浆细胞多克隆增殖,皮肤浆细胞增多症(cutaneous plasmacytosis,CP)仅累及皮肤,较为罕见,皮损常表现为棕红色斑块,局部外用糖皮质激素或他克莫司、长波紫外线照射有一定疗效。北京大学人民医院皮肤科收治1例皮肤浆细胞增多症,现报道如下。

关键词: 浆细胞增多症, 皮肤疾病, 病例报告

Abstract: A collection of plasma cells in the skin can represent a broad spectrum of disease entities. Secondary syphilis, primary cutaneous plasmacytoma, primary cutaneous plasmacytosis, cutaneous lymphoid hyperplasia and nodular amyloidosis are considered possible differential diagnoses. The primary cutaneous plasma cell disorders can range from malignant to benign plasma cell neoplasms. The malignant conditions are neoplastic diseases having monoclonal proliferations, rapid progression and fatal outcome while the benign plasma cell disorders usually show polyclonality, chronicity and benign process, including plasmacytosis. We present a case of cutaneous plasmacytosis. The patient was a 34-year-old man, presented with disseminated reddish-brown plaques and nodules on the right side of the hips, inguinal groove, and the thigh. Histopathologically, mature plasma cells perivascular infiltrates were observed mainly in the dermis. Polyclonality of infiltrating plasma cells with coexistence of both kappa and gamma chain-positive cells demonstrated with immunohistochemistry, as well as CD20+++, CD38++++, CD79a++++, CD138++, Ki67<30%. The diagnosis, cutaneous plasmacytosis, was established by the pertinent laboratory findings. Primary cutaneous plasmacytosis was an uncommon reactive lymphoplasmacytic disorder of uncertain etiology. Cutaneous plasmacytosis is a rare disease characterized by peculiar multiple eruptions and hyper gamma globulinemia. It has been mainly described in patients of Japanese descent, with only few reports in Caucasians and Chinese, although information concerning the disorder was limited to individual case reports. Cutaneous plasmacytosis is a rare disorder, which is characterized by multiple red to dark-brown nodules and plaques on the trunk and usually associated with polyclonal hyper gamma globulinaemia. Primary cutaneous plasmacytosis or cutaneous plasmacytosis was thought to be a reactive process with unknown etiology. Histologically, lesions contain dense perivascular infiltration of mature polyclonal plasma cells without any atypia, in the dermis and subcutaneous fat. The clinical course is chronic and benign without spontaneous remission. Available treatments for cutaneous plasmacytosis include psoralen ultraviolet A radiotherapy, systemic chemotherapy and intralesional steroid injection. The patient with cutaneous plasmacytosis in this report was treated with tacrolimus ointment and psoralen ultraviolet A.

Key words: Plasmacytosis, Skin disease, Case reports

中图分类号: 

  • R751
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