CTにおけるスポットサインを伴う急性巨大脊髄硬膜外血腫の一例

Daigo Aso¹, Hisaaki Uchikado², Shuji Fukuda³

¹Department of Neurosurgery, Saiki Central Hospital, Saiki, JPN.

|December 25, 2025

Abstract:

Acute massive spinal subdural hematoma (ASSDH) is an extremely rare condition. We report a case of ASSDH in a 74-year-old woman who suddenly developed paraplegia after receiving oral anticoagulant therapy for severe back pain. Reported cases of ASSDH show various clinical presentations, ranging from low back pain to varying degrees of paralysis. In this case, the patient developed acute complete paraplegia. Despite undergoing emergency decompression surgery as soon as possible, the symptoms did not improve. Preoperative angiography revealed a "spot sign" originating from the radiculomedullary artery, suggesting the possibility of arterial dissection. This report mainly describes the preoperative and intraoperative findings of this rare case.

キーワード:

抗凝固療法合併症両下肢麻痺脊髄動脈解離脊髄硬膜外血腫スポットサイン

さらに関連する動画

09:14

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

Published on: June 18, 2021

2.7K

07:17

Establishing a Mouse Contusion Spinal Cord Injury Model Based on a Minimally Invasive Technique

Published on: September 7, 2022

6.0K

関連する概念動画

01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...

01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...

01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...