Agminate lichen aureus
Male, 28-year-old, presenting a brownish 3cm lesion on the dorsal region of the right\nwrist, noted about 10 years ago (). Its\nonset could not be correlated with trauma, medication or contact with any substance. The\nlesion appeared as an insect bite, initially reddish, and subsequently brownish in the\ncenter. There was no itching, soreness, discharge or other similar lesions on the body.\nThe patient denied other diseases.\nDermoscopy showed a copper-coloured amorphous area and absence of pigmented network\n(). The histopathology evaluation\nshowed sparse capillaries, associated with heavy subepidermal mononuclear inflammatory\nreaction in a lichenoid pattern (). The\nhistochemical staining demonstrated diffuse deposition of hemosiderin ().