Anti-glutamic acid decarboxylase (GAD) positive cerebellar Ataxia with transitioning to progressive encephalomyelitis with rigidity and myoclonus (PERM), responsive to immunotherapy: A case report and review of literature

Noushin Jazebi, Shashika Rodrigo, Bhanu Gogia, Ahmad Shawagfeh

Research output: Contribution to journalArticle

Abstract

We present a case of a 65-year-old African American male, immunosuppressed on Tacrolimus, who initially presented with cerebellar ataxia and rapidly developed Progressive Encephalomyelitis with Rigidity and Myoclonus (PERM) with positive anti-glutamic acid decarboxylase (GAD65) antibodies, no underlying malignancy, and normal neuroimaging. PERM is a rare spectrum of Stiff Person Syndrome (SPS), which is strongly associated with anti-GAD antibodies and characterized by flare-ups and remissions of encephalopathy, myelopathy and rigidity with myoclonus. PERM is diagnosed clinically and has been successfully treated with both Intravenous Immunoglobulin (IVIg) and plasmapheresis. Our patient was successfully treated with IVIg. On day 14 after starting IVIg treatment, his neurological symptoms started to improve and ultimately returned to baseline.

Original languageEnglish (US)
Pages (from-to)135-137
Number of pages3
JournalJournal of Neuroimmunology
Volume332
DOIs
StatePublished - Jul 15 2019

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Cerebellar Ataxia
Myoclonus
Glutamate Decarboxylase
Immunotherapy
Intravenous Immunoglobulins
Stiff-Person Syndrome
Plasmapheresis
Antibodies
Spinal Cord Diseases
Brain Diseases
Tacrolimus
Neuroimaging
African Americans
Progressive Encephalomyelitis with Rigidity
Neoplasms
Therapeutics

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Neurology
  • Clinical Neurology

Cite this

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title = "Anti-glutamic acid decarboxylase (GAD) positive cerebellar Ataxia with transitioning to progressive encephalomyelitis with rigidity and myoclonus (PERM), responsive to immunotherapy: A case report and review of literature",
abstract = "We present a case of a 65-year-old African American male, immunosuppressed on Tacrolimus, who initially presented with cerebellar ataxia and rapidly developed Progressive Encephalomyelitis with Rigidity and Myoclonus (PERM) with positive anti-glutamic acid decarboxylase (GAD65) antibodies, no underlying malignancy, and normal neuroimaging. PERM is a rare spectrum of Stiff Person Syndrome (SPS), which is strongly associated with anti-GAD antibodies and characterized by flare-ups and remissions of encephalopathy, myelopathy and rigidity with myoclonus. PERM is diagnosed clinically and has been successfully treated with both Intravenous Immunoglobulin (IVIg) and plasmapheresis. Our patient was successfully treated with IVIg. On day 14 after starting IVIg treatment, his neurological symptoms started to improve and ultimately returned to baseline.",
author = "Noushin Jazebi and Shashika Rodrigo and Bhanu Gogia and Ahmad Shawagfeh",
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AU - Rodrigo, Shashika

AU - Gogia, Bhanu

AU - Shawagfeh, Ahmad

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AB - We present a case of a 65-year-old African American male, immunosuppressed on Tacrolimus, who initially presented with cerebellar ataxia and rapidly developed Progressive Encephalomyelitis with Rigidity and Myoclonus (PERM) with positive anti-glutamic acid decarboxylase (GAD65) antibodies, no underlying malignancy, and normal neuroimaging. PERM is a rare spectrum of Stiff Person Syndrome (SPS), which is strongly associated with anti-GAD antibodies and characterized by flare-ups and remissions of encephalopathy, myelopathy and rigidity with myoclonus. PERM is diagnosed clinically and has been successfully treated with both Intravenous Immunoglobulin (IVIg) and plasmapheresis. Our patient was successfully treated with IVIg. On day 14 after starting IVIg treatment, his neurological symptoms started to improve and ultimately returned to baseline.

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