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2015 ; 128
(23
): 3231-7
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High-resolution Magnetic Resonance Imaging of Moyamoya Disease
#MMPMID26612300
Yu LB
; Zhang Q
; Shi ZY
; Wang MQ
; Zhang D
Chin Med J (Engl)
2015[Dec]; 128
(23
): 3231-7
PMID26612300
show ga
OBJECTIVE: To introduce the imaging characteristics of moyamoya disease (MMD)
using high-resolution magnetic resonance imaging (HR-MRI) and to discuss the role
of HR-MRI in differentiating MMD from other intracranial artery diseases,
especially intracranial atherosclerotic disease (ICAD). DATA SOURCES: This review
was based on the data in articles published between 2005 and 2015, which were
obtained from PubMed. The keywords included HR-MRI, MMD, ICAD, and intracranial
artery diseases. STUDY SELECTION: Articles related to HR-MRI for MMD or other
intracranial artery diseases were selected for review. RESULTS: There are
differences between the characteristic patterns of HR-MRI in MMD and ICAD. MMD is
associated with inward remodeling, smaller outer diameters, concentric occlusive
lesions and homogeneous signal intensity, while ICAD is more likely to be
associated with outward remodeling, normal outer diameters, eccentric occlusive
lesions, and heterogeneous signal intensity. Other intracranial artery diseases,
such as dissection and vasculitis, also have distinctive characteristics in
HR-MRI. HR-MRI may become a useful tool for the differential diagnosis of MMD in
the future. CONCLUSIONS: HR-MRI of MMD provides a more in-depth understanding of
MMD, and it is helpful in evaluating pathological changes in the vessel wall and
in differentiating MMD from other intracranial artery steno-occlusive diseases,
particularly ICAD.