Primary malignant melanoma of the lung with rapid progression

被引:25
作者
Maeda R. [1 ]
Isowa N. [1 ]
Onuma H. [2 ]
Miura H. [2 ]
Tokuyasu H. [3 ]
Kawasaki Y. [3 ]
机构
[1] Division of Thoracic Surgery, Matsue Red Cross Hospital, Matsue, Shimane 690-8506
[2] Division of Pathology, Matsue Red Cross Hospital, Shimane
[3] Division of Respiratory Medicine, Matsue Red Cross Hospital, Shimane
关键词
Lung neoplasm; Malignant melanoma; Surgery;
D O I
10.1007/s11748-009-0454-9
中图分类号
学科分类号
摘要
This report presents a case of primary malignant melanoma of the lung with rapid progression in a 68-year-old man. During a regular checkup, a chest roentgenogram revealed an abnormal shadow in the left lower lung field. Computed tomography (CT) of the chest revealed an ill-defined tumor shadow measuring 4 × 3 cm in the left upper lobe. A CT-guided lung biopsy suggested a large-cell carcinoma, and left upper lobectomy was performed. Histopathologically, the tumor was comprised of malignant epithelial tumor cells with large amounts of acidophilic cytoplasm and prominent nuclei. A dark brown pigment was observed in the tumor cells. Immunohistochemical staining was positive for S-100 protein and HMB45; staining for cytokeratin, CAM5.2, and chromogranin was negative. The final diagnosis was malignant melanoma of the lung. Two months later, multiple brain metastases developed, and he died of the disease 6 months after the surgery. © 2009 The Japanese Association for Thoracic Surgery.
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收藏
页码:671 / 674
页数:3
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