[Differential giant cell epulis diagnosis--malignant melanoma of the mouth mucosa]. / Differentialdiagnose der Riesenzellepulis--das maligne Melanom der Mundschleimhaut.

Malignant melanoma of the oral mucosa is a rare tumor. The clinical image can vary, so that diagnostic errors are possible. The case of a primary malignant melanoma camouflaging a giant cell granuloma is presented. The importance of biopsy and histological diagnosis is underlined.