PMC3938371_01
Dark coloured papule measuring 9 mm on upper right back
abd-89-01-0160-g01.jpg
PMC3938371_01_abd-89-01-0160-g01.jpg
f01
A 38-year-old woman presented a dark coloured papule at physical examination measuring 9 mm on the upper right back (Figure 1).
(Delta 20 dermatoscope): Asymmetric shape, many colours, comedo-like opening (fine
black arrow), milia-like cyst (thick black arrow), bluish veil (thick red arrow),
and granulation (thin red arrow)
abd-89-01-0160-g02.jpg
PMC3938371_01_abd-89-01-0160-g02.jpg
f02
Dermoscopy revealed asymmetrical shape, comedo-like openings, milia-like cysts, bluish veil, and granulation (Figure 2).
Presence of hyperkeratosis, horny pseudocysts and melanophages in the dermis, and
discrete perivascular lymphocytic infiltrate (HE 100X)
abd-89-01-0160-g03.jpg
PMC3938371_01_abd-89-01-0160-g03.jpg
f03
From this description the conclusion was seborrheic keratosis associated with dysplastic nevus (Figures 3 e 4).
Presence of fusion of nests along the sides of rete ridges, concentric
fibroplasia, atypical melanocytes, melanophages in the dermis, and proliferated
basaloid cells (HE 400X)
abd-89-01-0160-g04.jpg
PMC3938371_01_abd-89-01-0160-g04.jpg
f04
From this description the conclusion was seborrheic keratosis associated with dysplastic nevus (Figures 3 e 4).