Annular hyperkeratosis. Porokeratosis of Mibelli

Annular lesions in dermatology

“…[14] Porokeratosis of Mibelli presents as a dry annular plaque surrounded by a raised, fine keratotic wall with characteristic furrow in it. [15]…”

Isolated primary cardiac amyloidosis associated with porokeratosis of Mibelli

“…On the other hand, Mibelli's porokeratosis is a well recognized form of the homonymous group and characterized by a single or few lesions most often appearing on the limbs [2]. Although the majority of lesions are inherited as autosomal dominants, sporadic cases of unknown etiology with late onset have also been observed [3,4]. Interestingly, porokeratotic lesions rarely have been associated with localized cutaneous amyloidosis [5][6][7].…”