Fetal-onset chronic encapsulated expanding hematoma associated with arteriovenous malformation: illustrative case.

Akane Matsuda; Hirosuke Inoue; Atsuhiko Sakai; Yutaka Fujioka; Yasunari Sakai; Kiyoko Kato

doi:10.3171/case25633

December 1, 2025

Fetal-onset chronic encapsulated expanding hematoma associated with arteriovenous malformation: illustrative case.

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Key Points

Rebleeding in fetal-onset encapsulated hematoma requires prompt evaluation and resection.
Key outcomes depend on early recognition and close monitoring of the arteriovenous malformation.
This observation emphasizes that timely intervention can significantly improve outcomes for affected infants.
Fetal-onset cases present unique challenges that call for specialized evaluation and management strategies.

Implication

Illustrative case highlights the importance of monitoring and prompt evaluation in managing fetal-onset hematoma and AVM.

Abstract

This case underscores the importance of early recognition and close monitoring in suspected perinatal CEEH. When rebleeding is suspected, prompt evaluation and resection of both the hematoma and underlying AVM are critical to achieving optimal outcomes. https://thejns.org/doi/10.3171/CASE25633.

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Cite This Study

Matsuda et al. (2025) studied this question.

synapsesocial.com/papers/69402a6b2d562116f2901bcb https://doi.org/10.3171/case25633

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Fetal-onset chronic encapsulated expanding hematoma associated with arteriovenous malformation: illustrative case.

Key Points

Implication

Abstract

Discussion

Cite This Study

Fetal-onset chronic encapsulated expanding hematoma associated with arteriovenous malformation: illustrative case.

Key Points

Implication

Abstract

Discussion

Cite This Study

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