Prepubertal acne: A retrospective study.

Background: Acne vulgaris is a common skin disorder, but studies on the epidemiologic features of prepubertal acne are limited.

Objectives: The aim of this study was to determine the prevalence and severity of prepubertal acne and to identify factors influencing acne severity and poor response to treatment.

Methods: A retrospective study was conducted on 683 patients with acne from our database who visited the dermatology department of Nantes University hospital between October 2014 and May 2018.

Toe necrosis: report of uncommon aetiology.

Toe necrosis has many aetiologies. The most common one is ischaemia. In fact, both direct and indirect toe necrosis, as well as related lower limb gangrene, could be secondary to mechanical trauma, infections, pharmacological sensitivity, cancer, blue toe syndrome and other granulomatous diseases.