Focal pigmented melanocytic lesions rarely occur in the oral cavity but should not be taken
for granted for they may represent markers or risks for oral mucosal melanoma (OMM). The …

Introduction and importance: Amelanotic melanoma is a rare and aggressive type of
melanoma. It is often diagnosed late because of the lack of melanin in its cells, and this …

Primary oral melanoma (POM) is a rare form of melanoma, generally diagnosed at a late
stage and has poor prognosis. Epidemiological information has scarcely been reported in …

Primary oral mucosal malignant melanoma (POMM) is uncommon. Its biological behavior is
more aggressive than that of cutaneous malignant melanoma. Its site-specific prognostic …

Cutaneous amelanotic melanoma (AM) is a rare amelanotic or a hypomelanotic subtype of
melanoma, comprising only 0.4–27.5% of all melanoma cases. The mean age of the …

Background Cutaneous melanoma is often characterized by its pigmented appearance;
however, up to 8.1% of such lesions contain little or no pigmentation. Amelanotic …

Background Amelanotic malignant melanoma (AMM) is challenging to diagnose. Clinical
risk factors for AMM are not well defined. Objective To investigate clinicopathologic …

Background: Acral amelanotic melanomas (AAMs), a rare subset of melanomas located on
acral sites such as the palms, soles, and subungual areas, are diagnostically challenging …

Background Oral mucosal melanoma (OMM) is a clinically rare disease with poor prognosis.
Various treatment methods have been investigated with the aim of improving the prognosis …