A 44-year-old woman presented with a persistent diffuse skin rash for 3 months, along with progressively worsening dyspnoea, cough and fatigue over the past 2 weeks. Laboratory results and physical examination were unremarkable, except for decreased breath sounds over the right lung and multiple palpable nodular skin lesions over the chest, abdomen and limbs (figure 1). Chest radiograph revealed a substantial right-sided pleural effusion with left-sided mediastinal shift. Chest CT images showed a solitary lobulated soft-tissue mass in the anterior mediastinum without additional lesions in the mediastinum or pulmonary parenchyma (figure 2A). Given these imaging findings, it was important to consider a malignant diagnosis including …

中文翻译：

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结节病的非典型放射学表现，表现为前纵隔肿块


一名 44 岁女性因持续弥漫性皮疹 3 个月就诊，并在过去 2 周内出现逐渐恶化的呼吸困难、咳嗽和疲劳。除了右肺呼吸音减弱以及胸部、腹部和四肢多处可触及的结节性皮肤病变外，实验室结果和体格检查均无异常（图 1）。胸部X光片显示大量右侧胸腔积液并伴有左侧纵隔移位。胸部 CT 图像显示前纵隔有一个孤立的分叶状软组织肿块，纵隔或肺实质没有其他病变（图 2A）。鉴于这些影像学结果，考虑恶性诊断非常重要，包括……