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Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review

Chronic encapsulated intracerebral hematoma is a unique type of intracerebral hematoma accompanied by a capsule that is abundant in fragile microvasculature occasionally causing delayed regrowth. A 37-year-old man who had undergone radiosurgery for an arteriovenous malformation (AVM) causing intrace...

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Autores principales: Takei, Jun, Tanaka, Toshihide, Yamamoto, Yohei, Teshigawara, Akihiko, Tochigi, Satoru, Hasegawa, Yuzuru, Murayama, Yuichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi Publishing Corporation 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4745873/
https://www.ncbi.nlm.nih.gov/pubmed/26904328
http://dx.doi.org/10.1155/2016/5130820
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author Takei, Jun
Tanaka, Toshihide
Yamamoto, Yohei
Teshigawara, Akihiko
Tochigi, Satoru
Hasegawa, Yuzuru
Murayama, Yuichi
author_facet Takei, Jun
Tanaka, Toshihide
Yamamoto, Yohei
Teshigawara, Akihiko
Tochigi, Satoru
Hasegawa, Yuzuru
Murayama, Yuichi
author_sort Takei, Jun
collection PubMed
description Chronic encapsulated intracerebral hematoma is a unique type of intracerebral hematoma accompanied by a capsule that is abundant in fragile microvasculature occasionally causing delayed regrowth. A 37-year-old man who had undergone radiosurgery for an arteriovenous malformation (AVM) causing intracerebral hematoma in the left parietal lobe presented with headache, vomiting, and progressive truncal ataxia due to a cystic lesion that had been noted in the left thalamus, leading to progressive obstructive hydrocephalus. He underwent left frontal craniotomy via a transsylvian fissure approach, and the serous hematoma was aspirated. The hematoma capsule was easy to drain and was partially removed. Pathological findings demonstrated angiomatous fibroblastic granulation tissue with extensive macrophage invasion. The concentration of vascular endothelial growth factor (VEGF) was high in the hematoma (12012 pg/mL). The etiology and pathogenesis of encapsulated hematoma are unclear, but the gross appearance and pathological findings are similar to those of chronic subdural hematoma. Based on the high concentration of VEGF in the hematoma, expansion of the encapsulated hematoma might have been caused by the promotion of vascular permeability of newly formed microvasculature in the capsule.
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spelling pubmed-47458732016-02-22 Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review Takei, Jun Tanaka, Toshihide Yamamoto, Yohei Teshigawara, Akihiko Tochigi, Satoru Hasegawa, Yuzuru Murayama, Yuichi Case Rep Neurol Med Case Report Chronic encapsulated intracerebral hematoma is a unique type of intracerebral hematoma accompanied by a capsule that is abundant in fragile microvasculature occasionally causing delayed regrowth. A 37-year-old man who had undergone radiosurgery for an arteriovenous malformation (AVM) causing intracerebral hematoma in the left parietal lobe presented with headache, vomiting, and progressive truncal ataxia due to a cystic lesion that had been noted in the left thalamus, leading to progressive obstructive hydrocephalus. He underwent left frontal craniotomy via a transsylvian fissure approach, and the serous hematoma was aspirated. The hematoma capsule was easy to drain and was partially removed. Pathological findings demonstrated angiomatous fibroblastic granulation tissue with extensive macrophage invasion. The concentration of vascular endothelial growth factor (VEGF) was high in the hematoma (12012 pg/mL). The etiology and pathogenesis of encapsulated hematoma are unclear, but the gross appearance and pathological findings are similar to those of chronic subdural hematoma. Based on the high concentration of VEGF in the hematoma, expansion of the encapsulated hematoma might have been caused by the promotion of vascular permeability of newly formed microvasculature in the capsule. Hindawi Publishing Corporation 2016 2016-01-24 /pmc/articles/PMC4745873/ /pubmed/26904328 http://dx.doi.org/10.1155/2016/5130820 Text en Copyright © 2016 Jun Takei et al. https://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Case Report
Takei, Jun
Tanaka, Toshihide
Yamamoto, Yohei
Teshigawara, Akihiko
Tochigi, Satoru
Hasegawa, Yuzuru
Murayama, Yuichi
Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review
title Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review
title_full Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review
title_fullStr Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review
title_full_unstemmed Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review
title_short Chronic Encapsulated Expanding Thalamic Hematoma Associated with Obstructive Hydrocephalus following Radiosurgery for a Cerebral Arteriovenous Malformation: A Case Report and Literature Review
title_sort chronic encapsulated expanding thalamic hematoma associated with obstructive hydrocephalus following radiosurgery for a cerebral arteriovenous malformation: a case report and literature review
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4745873/
https://www.ncbi.nlm.nih.gov/pubmed/26904328
http://dx.doi.org/10.1155/2016/5130820
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