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Progressive hemifacial atrophy

Synonym(s) Parry-Romberg syndrome
Prevalence Unknown
Inheritance Not applicable
Age of onset Childhood
  • G51.8
MeSH -
MedDRA -


Progressive hemifacial atrophy (PHA) is a rare acquired disorder, characterized by unilateral slowly progressive atrophy of the skin and soft tissues of half of the face leading to a sunken appearance. Muscles, cartilage and the underlying bony structures may also be involved.

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Detailed information

Review article
  • EN (2015)
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