Sadato N, Rigamonti D, Numaguchi Y
Department of Diagnostic Radiology, University of Maryland Medical System/Hospital Baltimore.
Neuroradiology. 1989;31(4):364-5. doi: 10.1007/BF00344188.
The authors report a case of two aneurysms in the posterior fossa, one of which was first visualized on follow-up arteriography. The mechanism of non-vasualization and re-appearance of the aneurysm is discussed.