Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case report

IgG4-related disease (IgG4-RD) is an emerging immune-mediated chronic fibrotic disease characterized by tumour-like mass formation. Reports of brain parenchymal involvement in IgG4-RD are rare and complete treatment-related remission of lesions has never been reported. Here, we present a woman in he...

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Main Authors: Aleksi J. Sihvonen, Sini M. Laakso, Olli Tynninen, Heikki Saaren-Seppälä, Mervi Löfberg
Format: Article
Language:English
Published: SAGE Publishing 2023-07-01
Series:Therapeutic Advances in Neurological Disorders
Online Access:https://doi.org/10.1177/17562864231186091
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author Aleksi J. Sihvonen
Sini M. Laakso
Olli Tynninen
Heikki Saaren-Seppälä
Mervi Löfberg
author_facet Aleksi J. Sihvonen
Sini M. Laakso
Olli Tynninen
Heikki Saaren-Seppälä
Mervi Löfberg
author_sort Aleksi J. Sihvonen
collection DOAJ
description IgG4-related disease (IgG4-RD) is an emerging immune-mediated chronic fibrotic disease characterized by tumour-like mass formation. Reports of brain parenchymal involvement in IgG4-RD are rare and complete treatment-related remission of lesions has never been reported. Here, we present a woman in her mid-50s who developed headache and seizures. Brain magnetic resonance imaging revealed frontal bilateral pachymeningitis and a left frontal lobe parenchymal lesion, and pathologic findings were consistent with an IgG4-RD central nervous system manifestation. She had a history of tumour-like growth around the right optic nerve, orbital and maxillary cavities treated successfully with corticosteroids 28 years ago, and was receiving infliximab as a maintenance therapy for uveitis for the last 14 years. After initial high-dose corticosteroid treatment, the patient was treated with rituximab, and after 3 months, the patient presented with complete remission of IgG4-RD lesions and associated symptoms. This case illustrates the chronic, decades-spanning nature of IgG4-RD, and a complete response to rituximab even with intracerebral mass lesions that had emerged despite the use of infliximab, a therapy previously reported successful in IgG4-RD.
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spelling doaj.art-1f80d3ec2c2d403a8665451b368d90dc2023-07-19T01:03:37ZengSAGE PublishingTherapeutic Advances in Neurological Disorders1756-28642023-07-011610.1177/17562864231186091Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case reportAleksi J. SihvonenSini M. LaaksoOlli TynninenHeikki Saaren-SeppäläMervi LöfbergIgG4-related disease (IgG4-RD) is an emerging immune-mediated chronic fibrotic disease characterized by tumour-like mass formation. Reports of brain parenchymal involvement in IgG4-RD are rare and complete treatment-related remission of lesions has never been reported. Here, we present a woman in her mid-50s who developed headache and seizures. Brain magnetic resonance imaging revealed frontal bilateral pachymeningitis and a left frontal lobe parenchymal lesion, and pathologic findings were consistent with an IgG4-RD central nervous system manifestation. She had a history of tumour-like growth around the right optic nerve, orbital and maxillary cavities treated successfully with corticosteroids 28 years ago, and was receiving infliximab as a maintenance therapy for uveitis for the last 14 years. After initial high-dose corticosteroid treatment, the patient was treated with rituximab, and after 3 months, the patient presented with complete remission of IgG4-RD lesions and associated symptoms. This case illustrates the chronic, decades-spanning nature of IgG4-RD, and a complete response to rituximab even with intracerebral mass lesions that had emerged despite the use of infliximab, a therapy previously reported successful in IgG4-RD.https://doi.org/10.1177/17562864231186091
spellingShingle Aleksi J. Sihvonen
Sini M. Laakso
Olli Tynninen
Heikki Saaren-Seppälä
Mervi Löfberg
Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case report
Therapeutic Advances in Neurological Disorders
title Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case report
title_full Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case report
title_fullStr Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case report
title_full_unstemmed Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case report
title_short Complete remission of central nervous system manifestations of IgG4-related disease with rituximab – a case report
title_sort complete remission of central nervous system manifestations of igg4 related disease with rituximab a case report
url https://doi.org/10.1177/17562864231186091
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