Surgical Subcision for Acne Scars: A Review of Instrumentation.

Background: Subcision is a surgical technique for managing atrophic acne scars. Over time, new instruments have emerged to increase the efficiency, efficacy, and safety of the subcision procedure, including sharp, blunt, and energy-assisted devices.

Objective: To review the instrumentation used for the subcision of acne scars and to provide clinicians with practical information regarding the selection of instrumentation, with a focus on advantages and disadvantages.

O'Brien's actinic granuloma in association with prolonged doxycycline phototoxicity.

O'Brien's actinic granuloma is clinically characterized by annular papules and plaques on sun-exposed areas of skin. These lesions often occur insidiously on a background of severe solar elastosis; however, an acute variant following sunburn has been reported in the literature. We present two cases of acute actinic granuloma precipitated by episodes of sunburn occurring on a background of prolonged doxycycline phototoxicity.