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Article Synopsis
  • Neurolymphomatosis (NL) is a rare condition where lymphoma cells invade the peripheral nervous system, and its treatment options and prognosis are not well-defined.
  • This study investigates predictive factors for secondary NL, revealing common chromosomal abnormalities, like deletions on chromosome 10, which may aid in early detection.
  • When patients with diffuse large B-cell lymphoma show neurological symptoms and chromosomal abnormalities, there’s a potential risk for developing secondary NL that should be evaluated.
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Article Synopsis
  • Chronic lymphoproliferative disorder of natural killer cells (CLPD-NK) is a rare disease with high NK cell counts that is often asymptomatic, but can lead to symptoms like fatigue, fever, and autoimmune diseases.
  • A 61-year-old male patient diagnosed with CLPD-NK experienced numbness and elevated protein levels in cerebrospinal fluid, indicating potential immunological issues, which were treated with steroids and immunoglobulin therapy.
  • Despite treatment alleviating some symptoms, the patient developed significant autonomic dysfunction, leading to issues like diarrhea and orthostatic hypotension, while tests for specific antibodies were negative, and a nerve biopsy suggested lymphocytic infiltration.
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Neurolymphomatosis (NL) is a rare neurologic manifestation of non-Hodgkin lymphoma (NHL) with poor prognosis. Investigations including MRI, PET/CT, nerve biopsy and cerebrospinal fluid (CSF) analysis can aid the diagnosis of NL. In this study, we presented a case of NL with co-existing myelin-associated glycoprotein (MAG) antibody.

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Neurologic Clinical, Electrophysiologic, and Pathologic Characteristics of Primary vs Secondary Neurolymphomatosis.

Neurology

September 2024

From the Departments of Neurology (M.P.S., J.M.M.-T., M.L.M., C.J.K., P.J.D., P.J.B.D.), Laboratory Medicine and Pathology (R.L.K., W.R.M.), Hematology (T.M.H., P.B.J., I.N.M., A.K.), Radiology (K.A.), Neurosurgery (R.J.S.), and Quantitative Health Sciences (J.M.), Mayo Clinic, Rochester, MN; and Neurological Institute of Thailand (N.S.), Bangkok.

Background And Objectives: Neurolymphomatosis (NL) is characterized by lymphomatous infiltration of the peripheral nervous system presenting as the initial manifestation of a lymphoma (primary NL [PNL]) or in relapse of a known lymphoma (secondary NL [SNL]). This report details and compares the neurologic clinicopathologic characteristics of these 2 groups.

Methods: This retrospective study was performed on patients diagnosed with pathologically confirmed NL in nerve between January 1, 1992, and June 31, 2020.

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: Spinal cord lymphomas represent a minority of extranodal lymphomas and often pose diagnostic challenges by imitating primary spinal tumors or inflammatory/infective lesions. This paper presents a unique case of primary cauda equina lymphoma (PCEL) and conducts a comprehensive review to delineate the clinical and radiological characteristics of this rare entity. : A 74-year-old male presented with progressive paresthesia, motor weakness, and symptoms indicative of cauda equina syndrome.

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