Triple-A syndrome with prominent ophthalmic features and a novel mutation in the AAAS gene: a case report

BMC Ophthalmol. 2004 Jun 24:4:7. doi: 10.1186/1471-2415-4-7.

Abstract

Background: Triple-A syndrome (Allgrove syndrome) is an autosomal recessive disorder characterized by adrenal insufficiency, alacrima, achalasia, and - occasionally - autonomic instability. Mutations have been found in the AAAS gene on 12q13.

Case presentation: We present the case of a 12 year-old boy with classic systemic features of triple-A syndrome and several prominent ophthalmic features, including: accommodative spasm, dry eye, superficial punctate keratopathy, and pupillary hypersensitivity to dilute pilocarpine. MRI showed small lacrimal glands bilaterally. DNA sequencing of PCR-amplified fragments from the 16 exons of the AAAS gene revealed compound heterozygosity for a new, out-of-frame 5-bp deletion in exon 15, c1368-1372delGCTCA, and a previously-described nonsense mutation in exon 9, c938C>T, R286X.

Conclusions: In addition to known ophthalmic manifestations, triple-A syndrome can present with accommodative dysregulation and ocular signs of autonomic dysfunction.

Publication types

  • Case Reports

MeSH terms

  • Accommodation, Ocular
  • Adrenal Insufficiency / diagnosis
  • Adrenal Insufficiency / genetics*
  • Adrenocorticotropic Hormone / blood
  • Autonomic Nervous System Diseases / diagnosis
  • Autonomic Nervous System Diseases / genetics*
  • Child
  • Dry Eye Syndromes / diagnosis
  • Dry Eye Syndromes / genetics*
  • Esophageal Achalasia / diagnosis
  • Esophageal Achalasia / genetics*
  • Esotropia / diagnosis
  • Esotropia / genetics
  • Humans
  • Magnetic Resonance Imaging
  • Male
  • Mutation*
  • Nerve Tissue Proteins
  • Nuclear Pore Complex Proteins
  • Ocular Motility Disorders / diagnosis
  • Ocular Motility Disorders / genetics*
  • Polymerase Chain Reaction
  • Proteins / genetics*
  • Pupil Disorders / diagnosis
  • Pupil Disorders / genetics
  • Syndrome

Substances

  • AAAS protein, human
  • Nerve Tissue Proteins
  • Nuclear Pore Complex Proteins
  • Proteins
  • Adrenocorticotropic Hormone