Facial Hemiatrophy

**Definition:** A syndrome characterized by slowly progressive unilateral atrophy of facial subcutaneous fat, muscle tissue, skin, cartilage, and bone. The condition typically progresses over a period of 2-10 years and then stabilizes.

**Tree numbers:** - C07.465.284 - C07.465.299.375 - C10.292.319.375

**Synonyms:** - Romberg's Disease - Romberg Disease - Hemifacial Atrophy - Facial Hemiatrophy of Romberg - Parry-Romberg Syndrome - Parry-Romberg Disease - Progressive Facial Hemiatrophy - Progressive Hemifacial Atrophy - Romberg Hemi-Facial Atrophy - Hemifacial Atrophy, Progressive