A middle-aged man with a 25-pack-year history of cigarette smoking was in his usual state of health when he developed excessive coughing with hemoptysis, which spontaneously resolved. Two months later, he presented to a hospital with complaint of shortness of breath, cough, and chest pain. A computed tomographic image of the chest (Figure 1) identified a large, 12-cm left upper lobe mass abutting the anterior chest wall pleura and extending into the mediastinum, with mediastinal lymphadenopathy as well as several liver lesions. A biopsy revealed poorly differentiated carcinoma, consistent with a primary tumor in the lung. On presentation to our multidisciplinary clinic, he reported constant, bothersome sweating of the left forehead. On physical examination, a well-demarcated area of erythematous, perspiring skin on the left forehead was noted.
Sloan L, Romo CG, Hales RK. Hemifacial Hyperhidrosis in a Patient With an Apical Non–Small Cell Lung Cancer. JAMA Oncol. 2019;5(3):422–423. doi:https://doi.org/10.1001/jamaoncol.2018.4597
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