Since melanoma develops on the skin, it can often be seen without special tests. Regular skin self exams and professional skin checks by a dermatologist can help detect melanoma early, when Melanoma Rare Forms of Melanoma and Melanocytic Tumors IntechOpen View of Malignant melanotic nerve sheath tumor with PRKAR1A, KMT2C and GNAQ mutations Free Neuropathology Intracranial Melanotic Schwannomas: Rare and Distinctive Tumors to Know Due to their Risk of Recurrence and Metastases Journal of the Belgian Society of Radiology