Neurosurgeons at KIMSHEALTH performed a transnasal endoscopic surgery on a one-and-a-half year-old girl who had been brought to the hospital in a comatose state and was diagnosed with life-threatening brainstem cavernoma, a rare congenital defect where a cluster of blood vessels in the brain becomes inactive, leading to haemorrhage. A statement issued by the hospital said that transnasal endoscopic brainstem …