Keywords: ADM, amyopathic dermatomyositis; DM, dermatomyositis; EM, erythromelalgia; IBD, inflammatory bowel disease; IDA, iron deficiency anemia; NFC, nailfold capillaroscopy; autoimmune skin disease; collagenous colitis; connective tissue disease; erythromelalgia; juvenile dermatomyositis; nailfold changes.