intraparenchymal hemorrhage
Also written as: IPH — intraparenchymal hemorrhage
Bleeding directly into brain tissue, as opposed to extraaxial spaces or ventricular system.
Full Definition
Intraparenchymal hemorrhage refers to bleeding that occurs directly within the brain parenchyma (tissue), distinguishing it from extraaxial hemorrhages such as subdural or epidural hematomas, or intraventricular hemorrhages. This type of hemorrhage can result from various causes including hypertension, arteriovenous malformations, tumors, or trauma. The location and pattern of intraparenchymal hemorrhage can provide important diagnostic clues about its etiology. On CT, acute intraparenchymal hemorrhage appears as a hyperdense mass with surrounding edema.
Usage
Usage note: Specify location and avoid confusion with other types of intracranial hemorrhage.
In Context
- "CT demonstrates a large intraparenchymal hemorrhage in the left basal ganglia with mass effect." — Emergency radiology report
- "The patient developed a small intraparenchymal hemorrhage at the operative site." — Post-surgical imaging report