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Diagnostic Yield of FDG-PET/CT, MRI, and CSF Cytology in Non-Biopsiable Neurolymphomatosis as a Heralding Sign of Recurrent Non-Hodgkin's Lymphoma
Journal article   Open access   Peer reviewed

Diagnostic Yield of FDG-PET/CT, MRI, and CSF Cytology in Non-Biopsiable Neurolymphomatosis as a Heralding Sign of Recurrent Non-Hodgkin's Lymphoma

Faiq Shaikh, Aubrey C Chan, Omer Awan, Nivedita Jerath, Chandan Reddy, Salman A Khan and Michael M Graham
Curēus (Palo Alto, CA), Vol.7(9), p.e319
09/09/2015
DOI: 10.7759/cureus.319
PMCID: PMC4601979
PMID: 26487995
url
https://doi.org/10.7759/cureus.319View
Published (Version of record) Open Access

Abstract

Neurolymphomatosis (NL) is a rare condition associated with lymphomas in which various structures of the nervous system are infiltrated by malignant lymphocytes. Rarely, it may be the presenting feature of recurrence of lymphoma otherwise deemed to be in remission. It is crucial, as is the case with all types of nodal or visceral involvement of lymphoma, to identify the disease early and initiate treatment with chemotherapy and/or radiation therapy. Positron emission tomography-computed tomography (PET-CT) has been shown to be a sensitive modality for staging, restaging, biopsy guidance, therapy response assessment, and surveillance for recurrence of lymphoma. Magnetic resonance imaging (MRI) is another useful imaging modality, which, along with PET/CT, compliment cerebrospinal spinal fluid (CSF) cytology and electromyography (EMG) in the diagnosis of NL. Performing nerve biopsies to confirm neurolymphomatosis can be challenging and with associated morbidity. The case presented herein illustrates the practical usefulness of these tests in detecting NL as a heralding feature of lymphoma recurrence, especially in the absence of histopathologic correlation.
csf cytology diffuse large b-cell lymphoma (dlbcl) fdg mri Neurology neurolymphomatosis non-hodgkin's lymphoma Oncology pet-ct Radiology

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