Fatal Balamuthia mandrillaris Encephalitis

Balamuthia mandrillaris is a rare cause of granulomatous meningoencephalitis associated with high mortality. We report a 69-year-old Caucasian female who presented with a 3-day history of worsening confusion and difficulty with speech. On admission, she was disoriented and had expressive dysphasia....

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Main Authors: Binoy Yohannan, Mark Feldman
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Case Reports in Infectious Diseases
Online Access:http://dx.doi.org/10.1155/2019/9315756
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author Binoy Yohannan
Mark Feldman
author_facet Binoy Yohannan
Mark Feldman
author_sort Binoy Yohannan
collection DOAJ
description Balamuthia mandrillaris is a rare cause of granulomatous meningoencephalitis associated with high mortality. We report a 69-year-old Caucasian female who presented with a 3-day history of worsening confusion and difficulty with speech. On admission, she was disoriented and had expressive dysphasia. Motor examination revealed a right arm pronator drift. Cerebellar examination showed slowing of finger-nose testing on the left. She was HIV-negative, but the absolute CD4 count was low. Neuroimaging showed three cavitary, peripherally enhancing brain lesions, involving the right frontal lobe, the left basal ganglia, and the left cerebellar hemisphere. She underwent right frontal craniotomy with removal of tan, creamy, partially liquefied necrotic material from the brain, consistent with granulomatous amoebic encephalitis on tissue staining. Immunohistochemical studies and PCR tests confirmed infection with Balamuthia mandrillaris. She was started on pentamidine, sulfadiazine, azithromycin, fluconazole, flucytosine, and miltefosine. The postoperative course was complicated by an ischemic stroke, and she died a few weeks later.
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spelling doaj-art-ca303e45cb3b45cb9f1eeb98921553f22025-02-03T06:01:39ZengWileyCase Reports in Infectious Diseases2090-66252090-66332019-01-01201910.1155/2019/93157569315756Fatal Balamuthia mandrillaris EncephalitisBinoy Yohannan0Mark Feldman1Department of Internal Medicine, Texas Health Presbyterian Hospital Dallas, Dallas 75231, USADepartment of Internal Medicine, Texas Health Presbyterian Hospital Dallas, Dallas 75231, USABalamuthia mandrillaris is a rare cause of granulomatous meningoencephalitis associated with high mortality. We report a 69-year-old Caucasian female who presented with a 3-day history of worsening confusion and difficulty with speech. On admission, she was disoriented and had expressive dysphasia. Motor examination revealed a right arm pronator drift. Cerebellar examination showed slowing of finger-nose testing on the left. She was HIV-negative, but the absolute CD4 count was low. Neuroimaging showed three cavitary, peripherally enhancing brain lesions, involving the right frontal lobe, the left basal ganglia, and the left cerebellar hemisphere. She underwent right frontal craniotomy with removal of tan, creamy, partially liquefied necrotic material from the brain, consistent with granulomatous amoebic encephalitis on tissue staining. Immunohistochemical studies and PCR tests confirmed infection with Balamuthia mandrillaris. She was started on pentamidine, sulfadiazine, azithromycin, fluconazole, flucytosine, and miltefosine. The postoperative course was complicated by an ischemic stroke, and she died a few weeks later.http://dx.doi.org/10.1155/2019/9315756
spellingShingle Binoy Yohannan
Mark Feldman
Fatal Balamuthia mandrillaris Encephalitis
Case Reports in Infectious Diseases
title Fatal Balamuthia mandrillaris Encephalitis
title_full Fatal Balamuthia mandrillaris Encephalitis
title_fullStr Fatal Balamuthia mandrillaris Encephalitis
title_full_unstemmed Fatal Balamuthia mandrillaris Encephalitis
title_short Fatal Balamuthia mandrillaris Encephalitis
title_sort fatal balamuthia mandrillaris encephalitis
url http://dx.doi.org/10.1155/2019/9315756
work_keys_str_mv AT binoyyohannan fatalbalamuthiamandrillarisencephalitis
AT markfeldman fatalbalamuthiamandrillarisencephalitis