CT Analysis of the Growth Rate of Aortic Diameter Affected by Acute Type B Intramural Hematoma
Eijun Sueyoshi1,2,
Ichiro Sakamoto1,
Masataka Uetani1 and
Yojiro Matsuoka3
1 Department of Radiology, Nagasaki University School of Medicine, 1-7-1
Sakamoto, Nagasaki 852-8501, Japan.
2 Department of Radiology, Omura Municipal Hospital, Omura 856-0817,
Japan.
3 Department of Radiology, National Nagasaki Medical Center, Omura 856-8562,
Japan.

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Fig. 1A CT images show measurements of aortic diameter in 58-year-old woman
with type B intramural hematoma. Largest short-axial diameter (thick
arrow) of aorta except for aortic arch was measured. Thin arrow indicates
long-axial diameter.
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Fig. 1B CT images show measurements of aortic diameter in 58-year-old woman
with type B intramural hematoma. For aortic arch, diameter perpendicular to
curvature (arrow) was measured.
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Fig. 2A 64-year-old woman with intramural hematoma of aorta. At onset, CT
images show intramural hematoma from aortic arch to descending aorta.
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Fig. 2B 64-year-old woman with intramural hematoma of aorta. At onset, CT
images show intramural hematoma from aortic arch to descending aorta.
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Fig. 2C 64-year-old woman with intramural hematoma of aorta. Five years
later, CT image shows that affected aortic arch has increased in size.
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Fig. 3A 53-year-old man with intramural hematoma of aorta. At onset, CT
image shows intramural hematoma of descending thoracic aorta.
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Fig. 3B 53-year-old man with intramural hematoma of aorta. One year later,
CT image shows that intramural hematoma disappears. Affected aorta has
decreased in size.
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Copyright © 2006 by the American Roentgen Ray Society.