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June 2011

Dissection or Hemorrhage Into Arteriosclerotic Plaque—Reply

Author Affiliations

Author Affiliations: Departments of Neurology and Cerebrovascular Medicine (Drs Kato, Dembo, Takeda, Deguchi, Furuya, and Tanahashi) and Diagnostic Radiology (Dr Uchino), Saitama International Medical Center, Saitama Medical University, Saitama, Japan.

Arch Neurol. 2011;68(6):830. doi:10.1001/archneurol.2011.116

In reply

Intramural hematoma with dissection is located within the layers of the tunica media but may be eccentric toward the intima (subintimal dissection) or adventitia (subadventitial dissection). Subintimal dissections are more likely to cause luminal stenosis, whereas subadventitial dissection may cause arterial dilation (aneurysm or fusiform dilation).1

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