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A Case of Unknown Primary Malignant Melanoma with Pulmonary and Endobronchial Metastasis  

Min, Young-Hoon (Department of Internal Medicine, College of Medicine, Hallym University)
Kim, Sung-Wook (Department of Internal Medicine, College of Medicine, Hallym University)
Chin, Hui-Jong (Department of Internal Medicine, College of Medicine, Hallym University)
Lee, Tae-Yoo (Department of Internal Medicine, College of Medicine, Hallym University)
Song, Hun-Ho (Department of Internal Medicine, College of Medicine, Hallym University)
Lee, Keun-Seok (Department of Internal Medicine, College of Medicine, Hallym University)
Lee, Jung-Ae (Department of Internal Medicine, College of Medicine, Hallym University)
Park, Young-Lee (Department of Internal Medicine, College of Medicine, Hallym University)
Hyun, In-Gyu (Department of Internal Medicine, College of Medicine, Hallym University)
Publication Information
Tuberculosis and Respiratory Diseases / v.53, no.2, 2002 , pp. 196-201 More about this Journal
Abstract
Malignant melanoma is a highly malignant form of cutaneous cancer derived from melanocytes. The lesion frequently metastasizes to the lymph nodes, lung, liver and bone. However, an endobronchial metastasis and a primary malignant. melanoma of the lung are quite rare. We report a case of an unknown primary malignant melanoma with a pulmonary and endobronchial metastasis in a 34 years old male. He complained of coughing and black-colored sputum. Abnormal skin and mucosal lesions were not found during a physical examination. A chest X-ray revealed multiple nodular masses in both lung fields. A flexible bronchoscopy showed two yellowish small nodules at the entry of left lower bronchus. Vimentin, the S-100 protein, and HMB-45 stain positive melanoma cells were detected at the bronchoscopic biopsy specimen.
Keywords
Malignant melanoma; Endobronchial metastasis;
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