Carbotti et al.2 (N=8) Verzi et al.8 (N=9) Elmas et al. 10 (N=20) Arjona-Aguilera et al.¹¹ (N=1) Current study (N=1)
Sex Sex F=6 / M=2 - F=9 / M=11 M F
Median age(year) Median age(year) 38 - 24 10 32
Location Trunk 5/8 - 7/20 - +
face - - 9/20 - -
Neck 1/8 - 4/20 + -
Extremity 2/8 - - - -
Histopathology Histopathology VEN VEN VEN Acanthosis nigricans form Epidermolytic hyperkeratosis
Dermoscopic findings Large brown circles 8/8 9/9 10/20 - +
Comedo-like opening 3/8 - 7/20 - -
Cerebriform pattern - - 1/20 + -
Thick brown line - - 9/20 - -
globule - - +(brown) +(black) -
Small brown circles - - - - +
Dotted vessels - - 7/20 - -