骨髓增生异常综合征中硬膜外髓外造血引起胸段脊髓压迫的磁共振成像
MR of thoracic cord compression caused by epidural extramedullary hematopoiesis in myelodysplastic syndrome.
作者信息
Dibbern D A, Loevner L A, Lieberman A P, Salhany K E, Freese A, Marcotte P J
机构信息
University of Pennsylvania School of Medicine, Philadelphia, USA.
出版信息
AJNR Am J Neuroradiol. 1997 Feb;18(2):363-6.
Abstract
Spinal cord compression caused by extramedullary hematopoiesis is a rare complication of chronic anemic states, most frequently occurring in patients with beta-thalassemia. We report the MR appearance of extramedullary hematopoiesis resulting in cord compression in a patient with a myelodysplastic syndrome, which was isointense with the spinal cord on T1-weighted images and markedly hypointense on fast spin-echo T2-weighted images, and that demonstrated enhancement.
摘要
髓外造血引起的脊髓压迫是慢性贫血状态的一种罕见并发症，最常发生于β地中海贫血患者。我们报告了一例骨髓增生异常综合征患者因髓外造血导致脊髓压迫的磁共振成像表现，其在T1加权像上与脊髓等信号，在快速自旋回波T2加权像上呈明显低信号，并可见强化。
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