AJDRAJNR - American Journal of Neuroradiology

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Venous Subarachnoid Hemorrhage after Inferior Petrosal Sinus Sampling for Adrenocorticotropic Hormone

Frank S. Bonellia, John Huston IIIGo,a, Fredric B. Meyera and Paul C. Carpentera

a From the Departments of Radiology (F.S.B., J.H.), Neurosurgery (F.B.M.), and Endocrinology (P.C.C.), Mayo Clinic, Rochester, MN.



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FIG 1. 62-year-old woman with venous subarachnoid hemorrhage after IPS sampling.

A and B, CT scans of the head performed approximately 2.5 hours after IPS sampling show generalized ventriculomegaly. There is diffuse subarachnoid hemorrhage mixed with residual intravenous contrast material bilaterally. A small amount of blood and contrast material is seen in the dependent portions of the lateral and fourth ventricles.