Melanoma: Multiple irregularly shaped pigmented lesions are present on the right hard and soft palate. Some of the lesions are flat, while others are thickened.

Melanoma. A diffuse thickened darkly pigmented lesion of the mandibular right gingiva and alveolar mucosa.

Melanoma: Multiple irregularly shaped pigmented lesions are present on the right hard and soft palate. Some of the lesions are flat, while others are thickened.

Melanoma. Microscopic image showing melanoma cells with pleomorphic, hyperchromatic nuclei, prominent nucleoli, and deposits of melanin pigment.

Melanoma. Microscopic image showing nests of melanoma cells in the connective tissue and within the epithelium. The cells demonstrate nuclear pleomorphism and hyperchromatism and deposits of melanin pigment.