Researchers look to improve detection of skin cancer lacking pigment melanin Amelanotic melanoma a. Clinical picture firm, dome shaped, pink, 1.5 Download Scientific Diagram Whilst amelanotic melanoma is relatively uncommon fatality rates tend to be higher because they often go undetected for longer, are often misdiagnosed because they mimic other skin lesions and are therefore Amelanotic melanoma: Appearances, Symptoms and Treatment DermNet