Dermatoscopic findings in telangiectasia macularis eruptiva perstans
A 59 year-old male patient reported the appearance of erythematous skin lesions on the\ntrunk and upper limbs 20 years ago, which regressed after a few months, leaving residual\nhyperchromic lesions. He denied any itching in the lesions. During the examination he\npresented with erythematous-brownish macules ranging from 0.5 to 5.0 cm in diameter,\nconfluent, distributed in the abdomen, chest, back and upper limbs, and residual\nhyperchromic macules ( and ). Darier sign was negative and on the dermoscopy of\nthe erythematous-brownish lesions, were observed thin and tortuous linear vessels, mild\nerythema and fine pigment network, compatible with the patient's skin type (). Histopathological examination showed\ndilated vessels with moderate inflammatory reaction around, mainly composed of mast\ncells, best visualized with Giemsa stain ( and ). The patient did not had\nlymphadenomegaly or bone changes, and laboratorial tests (blood count and chemistry)\nwere normal.