Transillumination refers to the use of transmission of light through the body to distinguish between cystic and solid masses. It can therefore provide useful clues for diagnostically challenging hand lesions, because the treatment of solid hand neoplasms1 differs considerably from that of myxoid cysts.2
Pagliarello C, Paradisi A, Dianzani C, Paradisi M, Persichetti P. Flash-Powered TransillluminationOld Concept, New Technology. Arch Dermatol. 2012;148(5):COVER3. doi:10.1001/archdermatol.2011.2275
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