Abstract
The non-subungual area of the hand is a rare anatomical site for malignant melanoma, lesions in this site comprising only 0.37% of 8,584 cutaneous melanomas in the Sydney Melanoma Unit database. This is approximately the same frequency of melanoma as is found on the subungual region of the hand, which represents a much smaller surface area. Not only is the sub-site distribution on the hand unusual but in addition the histogenetic types of melanoma found on the dorsum of the hand are not those commonly encountered on sun exposed skin. In this study, comparison is made between melanomas occurring on the non-subungual areas of the hand and those on the foot, an anatomically similar surface area. Comparison is also made between melanomas arising on the dorsal non-subungual surface of the hand and those on the face, a region with an equivalent surface area and similar sun exposure. The results of surgical treatment of 31 melanomas of the non-subungual region of the hand are reviewed.
Published Version
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