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·病例简介:患者,女,64岁,因右耳廓出现4 mm大小的结节而就诊(见图1)。结节有触痛,影响睡眠。患者否认有局部外伤史。图1慢性结节性耳轮软骨皮炎·可能的诊断:基底细胞瘤;鳞癌;痛风石;慢性结节性耳轮软骨皮炎(CNCH);角化棘皮瘤。·诊断:CNCH。·讨论:CNCH是一种常见的外耳疾患,
· Case description: Patient, female, 64 years old, presented with a 4 mm nodule in the right pinna (see Figure 1). Nodular tenderness, affecting sleep. Patients denied having a history of local trauma. Figure 1 chronic nodular ear cartilage dermatitis · possible diagnosis: basal cell carcinoma; squamous cell carcinoma; tophi; chronic nodular auricular cartilage dermatitis (CNCH); keratoacanthoma. · Diagnosis: CNCH. Discussion: CNCH is a common external ear disorder,