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Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report

BACKGROUND: Spinal arteriovenous metameric syndrome (SAMS) is a rare nonhereditary genetic vascular disorder, involving multiple layers of tissues in the same metameric level. Spontaneous regression of SAMS has never been reported in the medical literature. CASE DESCRIPTION: A 42-year-old woman pres...

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Autores principales: Iampreechakul, Prasert, Chuntaroj, Songpol, Wattanasen, Yodkhwan, Hangsapruek, Sunisa, Lertbutsayanukul, Punjama, Siriwimonmas, Somkiet
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Scientific Scholar 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10246388/
https://www.ncbi.nlm.nih.gov/pubmed/37292406
http://dx.doi.org/10.25259/SNI_4_2023
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author Iampreechakul, Prasert
Chuntaroj, Songpol
Wattanasen, Yodkhwan
Hangsapruek, Sunisa
Lertbutsayanukul, Punjama
Siriwimonmas, Somkiet
author_facet Iampreechakul, Prasert
Chuntaroj, Songpol
Wattanasen, Yodkhwan
Hangsapruek, Sunisa
Lertbutsayanukul, Punjama
Siriwimonmas, Somkiet
author_sort Iampreechakul, Prasert
collection PubMed
description BACKGROUND: Spinal arteriovenous metameric syndrome (SAMS) is a rare nonhereditary genetic vascular disorder, involving multiple layers of tissues in the same metameric level. Spontaneous regression of SAMS has never been reported in the medical literature. CASE DESCRIPTION: A 42-year-old woman presented with intermittent low back pain for 6 months. Magnetic resonance imaging of the thoracolumbar spine incidentally found clusters of spinal vascular malformations involving spinal cord, vertebral bodies, epidural space, and paraspinal muscles. There was no sign of venous congestion. Magnetic resonance angiography and spinal angiography revealed intradural spinal cord arteriovenous malformation (SCAVM) at the level of T10-11 and extradural high-flow osseous arteriovenous fistula. Due to asymptomatic SAMS and a high risk of anterior spinal arterial compromise during treatment, conservative treatment was considered in our patient. Spinal angiography obtained 8 years after initial angiography demonstrated significant regression of extradural component of SAMS and stable intradural SCAVM. CONCLUSION: We describe a unique case of SAMS with spontaneous regression of extradural component during a long-term observation period.
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spelling pubmed-102463882023-06-08 Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report Iampreechakul, Prasert Chuntaroj, Songpol Wattanasen, Yodkhwan Hangsapruek, Sunisa Lertbutsayanukul, Punjama Siriwimonmas, Somkiet Surg Neurol Int Case Report BACKGROUND: Spinal arteriovenous metameric syndrome (SAMS) is a rare nonhereditary genetic vascular disorder, involving multiple layers of tissues in the same metameric level. Spontaneous regression of SAMS has never been reported in the medical literature. CASE DESCRIPTION: A 42-year-old woman presented with intermittent low back pain for 6 months. Magnetic resonance imaging of the thoracolumbar spine incidentally found clusters of spinal vascular malformations involving spinal cord, vertebral bodies, epidural space, and paraspinal muscles. There was no sign of venous congestion. Magnetic resonance angiography and spinal angiography revealed intradural spinal cord arteriovenous malformation (SCAVM) at the level of T10-11 and extradural high-flow osseous arteriovenous fistula. Due to asymptomatic SAMS and a high risk of anterior spinal arterial compromise during treatment, conservative treatment was considered in our patient. Spinal angiography obtained 8 years after initial angiography demonstrated significant regression of extradural component of SAMS and stable intradural SCAVM. CONCLUSION: We describe a unique case of SAMS with spontaneous regression of extradural component during a long-term observation period. Scientific Scholar 2023-05-05 /pmc/articles/PMC10246388/ /pubmed/37292406 http://dx.doi.org/10.25259/SNI_4_2023 Text en Copyright: © 2023 Surgical Neurology International https://creativecommons.org/licenses/by-nc-sa/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, transform, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.
spellingShingle Case Report
Iampreechakul, Prasert
Chuntaroj, Songpol
Wattanasen, Yodkhwan
Hangsapruek, Sunisa
Lertbutsayanukul, Punjama
Siriwimonmas, Somkiet
Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report
title Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report
title_full Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report
title_fullStr Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report
title_full_unstemmed Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report
title_short Spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (SAMS): A unique case report
title_sort spontaneous regression of extradural high-flow vascular malformation in spinal arteriovenous metameric syndrome (sams): a unique case report
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10246388/
https://www.ncbi.nlm.nih.gov/pubmed/37292406
http://dx.doi.org/10.25259/SNI_4_2023
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