“…Although rare, DDD should be considered in the differential diagnosis of patients presenting with 3,5,7,9,10,12,14,17,18,[28][29][30][31][32][33][34][35][36][37][38] 28,31,42 3 66 (64-68) 0 -EIC 11,12 2 54 (49-58) 50 -Fingernail dystrophy 1, 23 2 48 (36-59) 100 -Amelanocytic malignant melanoma 43 1 5 1 0 -Darier disease 44 1 6 2 0 -Eczematous plaques 8 1 9 100 POFTU1 (n = 1) Ichthyosis vulgaris 4 1 2 5 0 -Keratocanthomas*, 33 1 ---Leukoderma 22 1 26 100 -Palmoplantar hyperhydrosis 22 1 26 100 -Palmoplantar keratodema 22 1 26 100 -Pemphigus vulgaris 11 1 5 8 0 -Pilonidal sinus*, 45 1 ---Psoriasis 6 1 53 100 Recurrent medial thigh abscesses 22 1 27 100 -*Age and gender not reported in all cases.…”