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甲下角化棘皮瘤：超声和磁共振成像表现

Subungual keratoacanthoma: ultrasound and magnetic resonance imaging findings.

作者信息

Choi Joon Hyuk, Shin Dong Hoon, Shin Duk Seop, Cho Kil Ho

机构信息

Department of Pathology, Yeungnam University College of Medicine, 317-1, Daemyung-Dong, Nam-Gu, Daegu City, 705-717, South Korea.

出版信息

Skeletal Radiol. 2007 Aug;36(8):769-72. doi: 10.1007/s00256-007-0274-x. Epub 2007 Mar 23.

DOI:10.1007/s00256-007-0274-x
PMID:17380331
Abstract

Subungual keratoacanthoma is a rare, squamoproliferative neoplasm arising at the nail bed. It may cause erosion of the underlying bone. We report a case of subungual keratoacanthoma of the right thumb in a 63-year-old man. Radiographs showed cortical erosion of the distal phalanx of the right thumb. Ultrasonography showed a mixed echoic tumor. On magnetic resonance imaging (MRI), the tumor showed intermediate signal intensity on T1-weighted images and mixed intermediate and high signal intensity on T2-weighted images with peripheral thin rim enhancement.

摘要

甲下角化棘皮瘤是一种罕见的发生于甲床的鳞状上皮增生性肿瘤。它可能导致其下方骨质侵蚀。我们报告一例63岁男性右拇指甲下角化棘皮瘤病例。X线片显示右拇指远节指骨皮质侵蚀。超声检查显示为混合回声肿瘤。在磁共振成像（MRI）上，肿瘤在T1加权像上呈中等信号强度，在T2加权像上呈中等信号与高信号混合，并伴有周边薄环状强化。

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Subungual squamous cell carcinoma of the finger.手指甲下鳞状细胞癌
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Nail unit ultrasound: a complete guide of the nail diseases.指甲单元超声：指甲疾病的完整指南
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