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Updated: Apr 23, 2026

Massive Pontine Hemorrhage by Dual Injection of Autologous Blood
Published on: May 29, 2021
Hemorrhagic stroke and cerebral paragonimiasis
Yong Xia1, Yan Ju1, Jing Chen1
1From the Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
Hemorrhagic cerebral paragonimiasis (CP) often presents with stroke, with delayed treatment increasing risks. Early diagnosis and intervention are crucial for better outcomes in patients with this parasitic brain infection.
Area of Science:
- Neurology
- Infectious Diseases
- Radiology
Background:
- Cerebral paragonimiasis (CP) is a parasitic infection affecting the brain.
- Hemorrhagic CP is a severe manifestation with significant neurological impact.
Purpose of the Study:
- To analyze clinical and imaging features of hemorrhagic CP.
- To evaluate treatment outcomes and the effect of Paragonimus infection on cerebrovascular damage.
Main Methods:
- Retrospective analysis of 10 patients with hemorrhagic CP (2009-2013).
- Utilized CT, MRI, angiography, and CSF cytology.
- Follow-up ranged from 12 to 62 months.
Main Results:
- Hemorrhagic CP constituted 37% of CP cases; none were initially diagnosed.
- Common symptoms include headache, hemiparalysis, and seizures.
- Surgical treatment improved most symptoms, but some deficits persisted.
Conclusions:
- Hemorrhagic stroke occurs during acute infection and parasite migration.
- Delayed treatment elevates the risk of initial and recurrent strokes.
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