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AJNR - American Journal of Neuroradiology

Published ahead of print on December 7, 2007
doi: 10.3174/ajnr.A0845

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Dynamic Enhancement Features of Cavernous Sinus Cavernous Hemangiomas on Conventional Contrast-Enhanced MR Imaging

Y. Jinhu^a, D. Jianping^a, L. Xin^a and Z. Yuanli^a

^a From the Department of Neuroradiology and Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China

View larger version (147K): [in this window] [in a new window]   Fig 1. A 52-year-old woman presented with a 1-year history of blurred vision in both eyes. A, T1-weighted axial image exhibits a hypointense dumbbell-shaped mass involving both sellar and parasellar regions. B, The mass demonstrates marked hyperintensity on T2-weighted axial imaging, and encasement of the right internal carotid artery can be seen. C, Strong homogeneous enhancement can be found in the mass on postcontrast T1-weighted axial imaging. D, Microphotograph of surgical specimen reveals large numbers of thin-walled vascular sinusoids, with a single layer of endothelium-lined capillaries, and scanty connective tissue (type A pathologic features; hematoxylin and eosin [H&E], original magnification, x 40).

View larger version (72K): [in this window] [in a new window]   Fig 2. A 48-year-old man was admitted with an 8-year history of intermittent headache. A, Postcontrast T1-weighted coronal image shows a heterogeneously enhanced mass in the right parasellar region. B, On subsequent T1-weighted axial image, the mass exhibits homogeneous enhancement. C, Microphotograph of surgical specimen shows a combination of both types A and B composition (type C pathologic features; H&E, original magnification, x 40).

View larger version (125K): [in this window] [in a new window]   Fig 3. A 45-year-old woman presented with right facial numbness of 1-year duration. A, Contrast-enhanced T1-weighted axial image shows inhomogeneous enhancement of a mass in the right parasellar region. B, On subsequent T1-weighted coronal image, progressive contrast "filling in" in the mass can be found. C, Postcontrast delayed T1-weighted axial image obtained 6 minutes after intravenous administration of contrast material reveals nearly homogenous enhancement in the mass. D, Microphotograph of surgical specimen shows ample solid parenchyma and well-formed vasculature and connective tissue (type B pathologic features; H&E, original magnification, x 40).