Introduction:

The location of melanoma in the gastrointestinal tract is rare.

Objective:

To present a case of melanoma located in the colon.

Case report:

Patient with right visual field loss. The tomographic study presented a non-homogeneous right parieto-occipital lesion and metastatic nodular images in both lung fields. Colonoscopy revealed a blackish polypoid lesion in the sigmoid. The pathology study confirmed the diagnosis of melanoma. Palliative treatment was established.

Conclusions:

Colonic location of melanoma is rare. Treatment depends on the presence or absence of metastatic disease at the time of diagnosis.

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