"G: glomus tumour"
"E: epidermoid / enchondroma / subungual exostosis"
"M: metastasis (almost exclusively from lung)"
"S: sarcoidosis"
"GEMS"
"G: glomus tumour"
"E: epidermoid / enchondroma / subungual exostosis"
"S: sarcoidosis"
Expected headings
"Mnemonic"