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Year : 2021  |  Volume : 69  |  Issue : 5  |  Page : 1176--1183

IgG4-Related Disease in Intradural Extramedullary Location- Detailed Case Illustration and Literature Review with Special Emphasis on Role of Surgery in its Management

1 Department of Neurosurgery, AIIMS, New Delhi, India
2 Department of Pathology, AIIMS, New Delhi, India
3 Department of Rheumatology, AIIMS, New Delhi, India

Correspondence Address:
Rajeev Sharma
Department of Neurosurgery, AIIMS, New Delhi - 110 029
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.329549

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Background: IgG4-related disease (IgG4RD) is a multisystemic progressive fibroinflammatory and lymphoproliferative autoimmune disorder of unknown etiopathogenesis; and its occurrence in intradural extramedullary (IDEM) location is extremely rare. Aim and Objective: The aim of this study was to review all IDEM IgG4RD cases described in English literature and to signify the role of surgery in its management at this rare location along with the surgical technique and intraoperative findings. Methods: An Internet-based search (PubMed) for the published reports describing spinal cases of IgG4RD with IDEM involvement was done using the keyword: spinal IgG4-related disease. An illustration of a case of cranial IgG4-related disease in a young man who developed metachronous cervical involvement in intradural extramedullary (IDEM) location is also presented. Results: Amongst 45 spinal IgG4RD cases reported in English Literature, only 3 cases were IDEM IgG4RD. In the illustrated case, portion of the cervical lesion causing cervical cord encasement was intradural but extraarachnoidal- located between arachnoid and dura, without any pial involvement. All these 4 cases improved following surgery. Conclusion: Timely meticulous resection of mass lesion in situations of medical treatment failure or progressive neurological decline can lead to reversibility of mass effect-associated neurological manifestations of IgG4RD.


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