Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent Patient

Disseminated necrotizing leukoencephalopathy (DNL) is characterized by multiple microscopic foci of white matter necrosis. DNL was initially thought to be exclusively associated with immunosuppression conditions but it has been recently described in immunocompetent patients in septic shock. A 90-yea...

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Main Authors: Pedro Gaspar-da-Costa, Sofia Reimão, Sandra Braz, João Meneses Santos, Rui M. M. Victorino
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Case Reports in Critical Care
Online Access:http://dx.doi.org/10.1155/2017/1092537
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author Pedro Gaspar-da-Costa
Sofia Reimão
Sandra Braz
João Meneses Santos
Rui M. M. Victorino
author_facet Pedro Gaspar-da-Costa
Sofia Reimão
Sandra Braz
João Meneses Santos
Rui M. M. Victorino
author_sort Pedro Gaspar-da-Costa
collection DOAJ
description Disseminated necrotizing leukoencephalopathy (DNL) is characterized by multiple microscopic foci of white matter necrosis. DNL was initially thought to be exclusively associated with immunosuppression conditions but it has been recently described in immunocompetent patients in septic shock. A 90-year-old immunocompetent woman with no previous neurological impairment presented with septic shock and drowsiness that responded well to therapy with clinical improvement and a full neurological recovery. Unexpectedly deterioration with progression to coma occurred. Investigation excluded other causes and Magnetic Resonance Imaging (MRI) was consistent with the diagnosis of DNL showing bilateral multifocal white matter lesions with a nonvascular pattern with restricted diffusion. Neurological impairment persisted with progression to death. DNL is an unexpected diagnosis in an immunocompetent patient. We compared the present case to those found in the literature of DNL complicating septic shock and discuss the antemortem diagnosis based on MRI findings.
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spelling doaj-art-635db93a206840e7864fd229e08074e22025-02-03T05:52:19ZengWileyCase Reports in Critical Care2090-64202090-64392017-01-01201710.1155/2017/10925371092537Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent PatientPedro Gaspar-da-Costa0Sofia Reimão1Sandra Braz2João Meneses Santos3Rui M. M. Victorino4Department of Internal Medicine, Hospital de Santa Maria and Faculty of Medicine of Lisbon, Lisbon, PortugalDepartment of Neurologic Imaging, Hospital de Santa Maria and Faculty of Medicine of Lisbon, Lisbon, PortugalDepartment of Internal Medicine, Hospital de Santa Maria and Faculty of Medicine of Lisbon, Lisbon, PortugalDepartment of Internal Medicine, Hospital de Santa Maria and Faculty of Medicine of Lisbon, Lisbon, PortugalDepartment of Internal Medicine, Hospital de Santa Maria and Faculty of Medicine of Lisbon, Lisbon, PortugalDisseminated necrotizing leukoencephalopathy (DNL) is characterized by multiple microscopic foci of white matter necrosis. DNL was initially thought to be exclusively associated with immunosuppression conditions but it has been recently described in immunocompetent patients in septic shock. A 90-year-old immunocompetent woman with no previous neurological impairment presented with septic shock and drowsiness that responded well to therapy with clinical improvement and a full neurological recovery. Unexpectedly deterioration with progression to coma occurred. Investigation excluded other causes and Magnetic Resonance Imaging (MRI) was consistent with the diagnosis of DNL showing bilateral multifocal white matter lesions with a nonvascular pattern with restricted diffusion. Neurological impairment persisted with progression to death. DNL is an unexpected diagnosis in an immunocompetent patient. We compared the present case to those found in the literature of DNL complicating septic shock and discuss the antemortem diagnosis based on MRI findings.http://dx.doi.org/10.1155/2017/1092537
spellingShingle Pedro Gaspar-da-Costa
Sofia Reimão
Sandra Braz
João Meneses Santos
Rui M. M. Victorino
Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent Patient
Case Reports in Critical Care
title Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent Patient
title_full Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent Patient
title_fullStr Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent Patient
title_full_unstemmed Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent Patient
title_short Disseminated Necrotizing Leukoencephalopathy Complicating Septic Shock in an Immunocompetent Patient
title_sort disseminated necrotizing leukoencephalopathy complicating septic shock in an immunocompetent patient
url http://dx.doi.org/10.1155/2017/1092537
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