Injection Site Atrophy: Causes, Pathophysiology, and Treatment

Injection Site Atrophy: Causes, Pathophysiology, and Treatment

1. Introduction Injection site atrophy describes a localized depression or thinning of the skin and underlying subcutaneous fat tissue following a medical injection. This structural change manifests as a visible indentation, commonly referred to as lipoatrophy, and is often accompanied by changes in skin pigmentation or texture. The condition arises when the injected pharmaceutical agent … Read more