Introduction:

Malignant melanoma is a tumor of multifactorial etiology, when it affects the respiratory system its origin is almost always metastatic, and as a primary tumor it is very infrequent, it constitutes 0.07% of malignant lung tumors.

Objective:

To report a clinical case with a diagnosis of primary malignant melanoma of the lung.

Case report:

We report the case of a 64-year-old woman, former smoker, with no history of melanoma, who had dry cough associated with dyspnea with physical exertion and chest pain. In addition to asthenia and weight loss, she had a lung biopsy by bronchoscopy and was diagnosed with melanoma.

Conclusions:

Primary pulmonary melanoma is one of the rarest of the visceral melanoma type, this is an infrequent pneumological entity and the precise diagnosis requires detailed investigation and the fulfillment of specific clinical and pathological criteria.

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