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Indolent nonendemic central nervous system histoplasmosis presenting as an isolated intramedullary enhancing spinal cord lesion
CONCLUSION: Disseminated histoplasmosis should be considered in granulomatous disease, even if the patient resides in a nonendemic region. Furthermore, clinicians should be mindful that CNS histoplasmosis may present in an atypical fashion.PMID:34513158 | PMC:PMC8422457 | DOI:10.25259/SNI_345_2021
Source: Surgical Neurology International - September 13, 2021 Category: Neurosurgery Authors: Matthew J Recker Steven B Housley Lindsay J Lipinski Source Type: research

Clinical and radiological aspects of bilateral temporal abnormalities: pictorial essay
Abstract The temporal lobes are vulnerable to several diseases, including infectious, immune-mediated, degenerative, vascular, metabolic, and neoplastic processes. Therefore, lesions in the temporal lobes can pose a diagnostic challenge for the radiologist. The temporal lobes are connected by structures such as the anterior commissure, corpus callosum, and hippocampal commissure. That interconnectedness favors bilateral involvement in various clinical contexts. This pictorial essay is based on a retrospective analysis of case files from a tertiary university hospital and aims to illustrate some of the conditions that simul...
Source: Radiologia Brasileira - March 26, 2021 Category: Radiology Source Type: research

Central Nervous System Opportunistic Infections
Semin Neurol 2019; 39: 383-390 DOI: 10.1055/s-0039-1687842Opportunistic infections of the central nervous system are classically associated with immunosuppression arising from infection with human immunodeficiency virus and with various hematologic malignancies. However, over the past few years, they are increasingly associated with transplantation and various immunosuppressive treatments used to treat autoimmune diseases. They cause significant morbidity and mortality and remain a diagnostic challenge due to the absence of typical signs and symptoms of infection and mimicry by various noninfectious causes. The pathogens a...
Source: Seminars in Neurology - August 1, 2019 Category: Neurology Authors: Agnihotri, Shruti P. Tags: Review Article Source Type: research

Cryptotanshinone Attenuates Oxygen-Glucose Deprivation/ Recovery-Induced Injury in an in vitro Model of Neurovascular Unit
Conclusions Despite the above limitations, we indicate that the protective mechanism of CTs against OGD/R damage might exert via inhibiting neuron apoptosis and attenuating BBB disruption. Furthermore, we also clarified that CTs inhibited neuronal apoptosis possibly by blocking the activation of MAPK signaling pathways, and CTs alleviating BBB disruption may associated with the regulation of TJPs and MMP-9 in our experiment. Accordingly, CTs will represent a novel and potent candidate for the treatment of CIRI in the future. Ethics Statement This study was carried out in accordance with the recommendations of China�...
Source: Frontiers in Neurology - April 17, 2019 Category: Neurology Source Type: research

Connecting Metainflammation and Neuroinflammation Through the PTN-MK-RPTP β/ζ Axis: Relevance in Therapeutic Development
Conclusion The expression of the components of the PTN-MK-RPTPβ/ζ axis in immune cells and in inflammatory diseases suggests important roles for this axis in inflammation. Pleiotrophin has been recently identified as a limiting factor of metainflammation, a chronic pathological state that contributes to neuroinflammation and neurodegeneration. Pleiotrophin also seems to potentiate acute neuroinflammation independently of the inflammatory stimulus while MK seems to play different -even opposite- roles in acute neuroinflammation depending on the stimulus. Which are the functions of MK and PTN in chronic neuroi...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

Rapidly Progressive atypical Posterior Reversible Encephalopathy Syndrome (PRES) associated with B-cell lymphoma (P4.065)
Conclusions:This case illustrates a rapidly progressive clinicoradiological syndrome with remarkable radiographical features of atypical PRS, and association with diffuse B-cell lymphomaDisclosure: Dr. Bronstein has nothing to disclose. Dr. Danesh has nothing to disclose. Dr. Petrovic has nothing to disclose. Dr. Ashikian has nothing to disclose. Dr. Arbuckle has nothing to disclose. Dr. Homafar has nothing to disclose.
Source: Neurology - April 17, 2017 Category: Neurology Authors: Bronstein, Y., Danesh, M., Petrovic, M., Ashikian, N., Arbuckle, R., Homafar, H. Tags: General Neurology: Vascular Neurology Source Type: research

Neuroimaging in Central Nervous System Lymphoma
Primary central nervous system lymphoma (PCNSL) is a rare aggressive high-grade type of extranodal lymphoma. PCNSL can have a variable imaging appearance and can mimic other brain disorders such as encephalitis, demyelination, and stroke. In addition to PCNSL, the CNS can be secondarily involved by systemic lymphoma. Computed tomography and conventional MRI are the initial imaging modalities to evaluate these lesions. Recently, however, advanced MRI techniques are more often used in an effort to narrow the differential diagnosis and potentially inform diagnostic and therapeutic decisions.
Source: Hematology/Oncology Clinics of North America - July 28, 2016 Category: Cancer & Oncology Authors: Seyed Ali Nabavizadeh, Arastoo Vossough, Mehrdad Hajmomenian, Reza Assadsangabi, Suyash Mohan Source Type: research

Diagnostic Yield and Safety of Brain Biopsy for Suspected Primary Central Nervous System Angiitis Brief Reports
Conclusions— Brain biopsy leads to pathological confirmation of vasculitis in a minority of suspected PACNS cases but alternative diagnoses are often identified. Importantly, rare but meaningful complications may occur.
Source: Stroke - July 24, 2016 Category: Neurology Authors: Torres, J., Loomis, C., Cucchiara, B., Smith, M., Messe, S. Tags: Cerebrovascular Disease/Stroke Brief Reports Source Type: research

Neuroimaging in Central Nervous System Lymphoma
Publication date: August 2016 Source:Hematology/Oncology Clinics of North America, Volume 30, Issue 4 Author(s): Seyed Ali Nabavizadeh, Arastoo Vossough, Mehrdad Hajmomenian, Reza Assadsangabi, Suyash MohanTeaser Primary central nervous system lymphoma (PCNSL) is a rare aggressive high-grade type of extranodal lymphoma. PCNSL can have a variable imaging appearance and can mimic other brain disorders such as encephalitis, demyelination, and stroke. In addition to PCNSL, the CNS can be secondarily involved by systemic lymphoma. Computed tomography and conventional MRI are the initial imaging modalities to evaluate the...
Source: Hematology Oncology Clinics of North America - July 19, 2016 Category: Hematology Source Type: research

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