Rinsho Shinkeigaku (Clinical Neurology)

Brief Clinical Note

A case of triple A syndrome with c.463C>T mutation in the AAAS gene

Hiroaki Hirosawa, M.D.1), Hirofumi Konishi, M.D.1), Takamasa Nukui, M.D., Ph.D.1), Tomohiro Hayashi, M.D.1), Nobuhiro Dougu, M.D., Ph.D.1) and Yuji Nakatsuji, M.D., Ph.D.1)

1) Department of Neurology, Faculty of Medicine, University of Toyama

A 47-year-old woman was admitted to our hospital for scrutiny of limb weakness and orthostatic hypotension that had progressed from childhood. She had been treated for alacrima and esophageal achalasia from childhood. On admission, she had hyperreflexia of upper and lower extremities, distal predominant muscle atrophy in the lower extremities, decreased sensation of the distal extremities, and autonomic neuropathy. Her blood test results ruled out adrenal insufficiency, but Schirmer's test was positive. Given the lacrimation symptoms, esophageal achalasia, and neuropathy, the patient was diagnosed with triple A syndrome in whom a c.463C>T mutation (p.R155C) was found in the AAAS gene by genetic testing. Triple A syndrome is an autosomal recessive inherited disease caused by mutations in the AAAS gene. Genetic testing of theAAAS gene should be considered in patients with one or two of main symptoms of triple A syndrome.
Full Text of this Article in Japanese PDF (740K)

(CLINICA NEUROL, 62: 740|743, 2022)
key words: triple A syndrome, achalasia, alacrima

(Received: 21-Jan-22)