Alopecia Areata and Habit Tic Deformities.

Nail involvement is a very common finding in patients with alopecia areata (AA). Most commonly evidenced by nail pitting, nail abnormalities can affect up to 66% of AA patients. We present two cases of the unusual association between habit tic nail deformities and AA.

Scientific output of Brazilian dermatologists during the last 25 years in the five highest impact factor journals in dermatology.

Background: The qualitative and quantitative scientific output of Brazilian dermatologists in journals of high impact factor is little known.

Objective: To describe the scientific output of dermatologists from Brazilian institutions in journals of high impact factor.

Methods: The five journals with the highest impact factor in dermatology were analyzed.