Giant seborrheic keratosis with a new dermoscopic finding

Seborrheic Keratosis: Report of a Rare Presentation and Reminder of the Current Knowledge of the Problem

“…Large SK is in fact an unusual presentation and it is rarely documented in the literature ( Table 1 ). 3 - 6 , 12 - 25 Giant SK have been notably described in genital areas. 4 - 6 , 17 - 20 , 22 - 24 The size of reported giant SK varies from 4.5 to 25 cm in greatest diameter with an average size of 9.8 cm.…”

“… 4 - 6 , 17 - 20 , 22 - 24 The size of reported giant SK varies from 4.5 to 25 cm in greatest diameter with an average size of 9.8 cm. 3 - 6 , 12 - 21 , 23 , 25 These lesions develop over a long period ranging from 1 to 40 years with an average of 14 years. 3 - 6 , 12 - 15 , 17 - 25 Giant SK may be complicated with ulcerations and unpleasant smell.…”

“… 3 - 6 , 12 - 21 , 23 , 25 These lesions develop over a long period ranging from 1 to 40 years with an average of 14 years. 3 - 6 , 12 - 15 , 17 - 25 Giant SK may be complicated with ulcerations and unpleasant smell. 5 , 12 , 13 …”

Seborrhoeic keratosis with autosomal dominant inheritance - a rare case report

“…[3]In a study from South India, Common SK (60%), DPN (46.4%), Pedunculated (21.2), Flat (10.4%) and Stucco keratosis (2%) were the clinical variants seen. 10 The surface of these SKs has numerous plugged follicular orifices giving an almost cerebriform appearance.…”

“…Stuccokeratosis shows SD and NL in all cases. 4,10 Skin biopsy shows hyperkeratosis, acanthosis with immature keratinocytes, papillomatosis with church steeple appearance, melanocytic proliferation, pseudo horn cysts with lower border which lies in a straight line with normal epidermis. Six histopathologic variants are seen -Hyperkeratotic, Acanthotic, Adenoid or Reticulate, Clonal, Irritated and Melanoacanthoma.…”