Histological Skin Assessment of Patients Submitted to Bariatric Surgery: A Prospective Longitudinal Cohort Study.

Background: Obesity is a stigmatizing disease that can cause dermatological aberrations, such as sagging after rapid weight loss.

Objective: This study is to evaluate the effects of obesity and massive weight loss following bariatric surgery on collagen and elastic fibers of the extracellular matrix of the skin.

Methods: Thirty-three skin biopsies were collected from patients prior to bariatric surgery and one year after surgery.