Rapid Enlargement of a Posterior Communicating Artery Aneurysm after Guglielmi Detachable Coil Treatment of Ipsilateral Carotid Artery Aneurysms
D. T. Jecka,
J. R. Leonarda,
D. T. Cross, IIIa,
C. J. Morana,
R. G. Dacey, Jra and
C. P. Derdeyna
a From the Department of Radiology, Interventional Neuroradiology, Mallinckrodt Institute of Radiology, St. Louis, MO
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FIG 1. Angiograms from the case of a 45-year-old woman with chronic headaches who presented after experiencing a fall. Five aneurysms were present on the left internal carotid artery.
A, Anteroposterior view angiogram of the left internal carotid artery shows multiple aneurysms. These include a large cavernous carotid aneurysm, a small ophthalmic segment aneurysm, a large ophthalmic segment aneurysm, and a posterior communicating artery aneurysm (asterisk). A tiny anterior choroidal aneurysm is also present.
B, Lateral view angiogram of the left internal carotid artery. Astserisk indicates posterior communicating artery aneurysm.
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FIG 2. Four months after GDC treatment of the two ophthalmic segment aneurysms, lateral view angiogram of the left carotid artery shows marked interval enlargement of the posterior communicating artery aneurysm (asterisk, compare with Fig 1B). The treated ophthalmic aneurysms remain completely obliterated.
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