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In case of hepatocellular carcinoma (HCC), the gallbladder is less frequently involved and metastasis to the gallbladder, together with its significant clinical manifestations, is rarely discussed in the literature in detail. HCC with metastasis to the gallbladder, initially presenting as gallbladder intraluminal hemorrhage and perforation, has not been previously reported. We present a case of HCC disclosed by emergency cholecystectomy for hemocholecyst with perforation. Evaluation of the possible metastatic mechanisms is also discussed.

A case of watershed infarction in the spinal cord is reported. The patient underwent bronchial artery embolization for control of massive hemoptysis. The bronchial arteriogram was carefully examined and focused on blood supply to the spinal cord prior to embolization. Acute paraparesis followed the embolization procedure even though there was no visible spinal supply on the arteriogram. Magnetic resonance imaging showed a hyperintensity lesion over the watershed region which is located at the central portion of the upper thoracic cord. This case is reported to emphasize the significant role which angiographically invisible small vessels can play in the blood supply to the spinal cord. The vascular system of the spinal cord and the prevention of spinal cord ischemia secondary to embolization are further discussed here.