Complications caused by excessive hemostatic tamponade in the removed tumor area in transnasal endoscopic surgery of pituitary adenoma

The phenomena of the mass effect of hemostatic material in the removed tumor area without the presence of a hematoma that causes or worsens the patient’s neurological status after surgery are difficult to diagnose and, with untimely help, causes irreversible neurological disorders. In world literature, we have found isolated sources describing similar complications. In the article, we present 7 clinical cases recorded from 2005 to 2019 in N. N. Burdenko National Medical Research Center of Neurosurgery and own experience in solving these difficult problems.

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