Primary localized cutaneous nodular amyloidosis of the feet: a case report and review of the literature.
CUTIS(2014)
摘要
Primary localized cutaneous nodular amyloidosis (PLCNA) is a rare disorder that manifests as the cutaneous formation of nodules composed of light-chain amyloid. Although the type of amyloid deposit is similar to primary systemic amyloidosis, there seems to be little, if any, crossover between the 2 diseases. Because reports of PLCNA are sparse, there is no established protocol for treating this disease. This case report presents a 42-year-old man with a visually striking presentation of PLCNA on both feet with some of the lesions possibly being secondary to trauma, a rare phenomenon. The lesions had been present for more than 4 years, and there were no signs or symptoms of systemic amyloidosis. The lesions responded well to a combination of complete curettage followed by CO2 laser ablation. Primary localized cutaneous nodular amyloidosis is rare and difficult to treat, with high rates of recurrence and a concern for progression to systemic amyloidosis. The diagnosis, workup, treatment, and monitoring of PLCNA also are discussed.
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关键词
cutaneous nodular amyloidosis,feet
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