Oct 5, 2019

Central Nervous System Lesions in Immunocompromised Patients

Radiologic Clinics of North America
Robert Y Shih, Kelly K Koeller

Abstract

Immunodeficiency can affect different components of the immune system and predispose to different types of opportunistic infections. For example, a defect in neutrophil or humoral immunity increases risk from disseminated infection by extracellular pathogens, whereas a defect in cytotoxic activity by natural killer cells or CD8+ T lymphocytes increases risk from intracellular pathogens. The latter also increases risk from malignancies, due to impairment of normal immunosurveillance against abnormal neoplastic cells. The purpose of this article is to discuss central nervous system lesions that may be seen in the immunocompromised patient, organized into 5 categories: bacterial, fungal, parasitic, viral, and neoplastic.

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Mentioned in this Paper

In Vivo NMR Spectroscopy
Immunologic Deficiency Syndromes
Extracellular
Neoplastic Cell
Brain
Neoplasms
CD8-Positive T-Lymphocytes
Immunocompromised Host
Cytotoxicity
Central Nervous System Neoplasms, Primary

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