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- Case Report -

A Case of Primary Malignant Melanoma of the Lung

Jun Arikura¹, Hirofumi Adachi¹, Keishi Kondo¹, Kosuke Nakano², Shinichi Fukumoto², Masao Harada^2
1Department of Thoracic Surgery, ²Department of Pulmonary Medicine, National Hospital Organization Hokkaido Cancer Center, Japan

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Background. Most of malignant melanomas of the lung are metastatic lesions from other organs. Those originating in the lung are quite rare. Case. A 74-year-old man was referred to our hospital because of an abnormal shadow on routine chest X-ray film. Computed tomography of the chest revealed a round-shaped nodule in the left S¹⁰. The transbronchial biopsy suggested malignant melanoma. Extensive examinations of various sites including the whole body skin revealed no other malignant lesion. We diagnosed this tumor as a primary lung lesion, and performed left lower lobectomy and mediastinal lymphadenectomy. Conclusion. We reported a case of primary malignant melanoma of the lung account for only 0.01% of all primary lung tumors.
key words: Malignant melanoma, Primary pulmonary melanoma

Received: August 13, 2012
Accepted: October 17, 2012

JJLC 52 (7): 1030-1034, 2012