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Muscle Pathology as a diagnostic clue to Allgrove syndrome

Lookup NU author(s): Dr Andreas Roos

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Abstract

© 2017 American Association of Neuropathologists, Inc. Allgrove or triple A syndrome is a rare autosomal recessive disorder that can present with a variable range of multi-system manifestations, including optic atrophy, cerebellar ataxia, upper and lower motoneuron signs and various neuropathic abnormalities. These cases are a diagnostic challenge, particularly when the eponymous combination of achalasia, Addisonianism and alacrima is incomplete. Therefore, it is in the differential diagnosis for multisystem conditions and should be known to pathologists who diagnose disorders of skeletal muscle. Here, we describe new findings in skeletal muscle histology from the case of a boy of consanguineous Turkish origin whose achalasia provided the only specific clinical clue to the diagnosis. These include myocyte nuclear abnormalities with partially abnormal anti-lamin A/C immunohistochemistry and altered nuclear ultrastructure but without overt abnormalities of nuclear pore morphology. In this case, the condition was associated with a hitherto unreported c.762delC mutation in the nucleoporin gene AAAS.

Publication metadata

Author(s): Reimann J, Kohlschmidt N, Tolksdorf, Weis J, Kuchelmeister K, Roos A

Publication type: Article

Publication status: Published

Journal: Journal of Neuropathology and Experimental Neurology

Year: 2017

Volume: 76

Issue: 5

Pages: 337-341

Print publication date: 01/05/2017

Online publication date: 22/03/2017

Acceptance date: 02/04/2016

ISSN (print): 0022-3069

ISSN (electronic): 1554-6578

Publisher: Oxford University Press

URL: https://doi.org/10.1093/jnen/nlx016

DOI: 10.1093/jnen/nlx016

PubMed id: 28371804

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