Two Mucosal Malignant Melanoma Case Reports Presented During COVID-19 Pandemic

OpenAlex İngilizce

Malignant melanoma (MM) is a neoplasm that develops from pigment-producing melanocytes.Although MM is a malignancy originating mostly from the skin, there are types of extracutaneous melanoma originating from the digestive system, nasal cavity and paranasal sinus mucosa, ocular mucosa, and leptomeninges. 1 Although more than half of all primary mucosal malignant melanomas (PMMM) are seen in the head and neck region, these cases constitute only 1.3% of all melanomas.2 MM is twice as common in men. 1 Since oral pigmented lesions are mostly seen in smokers, smoking is reported as a main risk factor.3 Oropharyngeal MM is most commonly seen in the hard palate and maxillary gum areas.4,5 PMMM seen in the head and neck region is distributed among sites such as the nose, paranasal sinuses, oral cavity, pharynx, and larynx with decreasing frequency.2 Less than 30 cases of tonsillar PMMM were reported or 97 97