Publications by authors named "Hristo Zhelyazkov"

Background: The clinical presentation of sphenoid sinus meningoencephaloceles (MEC) may have insidious onset and evolution. Contemporary treatment incorporates endoscopic resection via the endonasal route.

Case Description: We present a case of 3 year old girl who had been complaining of permanent nasal discharge, impeded nasal breathing and difficulty with feeding since she was 5 months old.

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We report on a case of a solid adamantinomatous variant of craniopharyngioma located entirely within the third ventricle causing asymmetric obstructive hydrocephalus in a 43-year-old male patient. The patient complaints included intermittent severe headache and progressive bilateral visual field loss. Initially, the lesion was accessed via the bifrontal interhemispheric translamina terminalis approach but total removal was not possible due to short anterior communicating artery which limited the exposure.

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Background: The risk factors implicated in the genesis of chronic subdural hematomas include old age, alcoholism, diabetes mellitus, arachnoid cysts, coagulopathy, anticoagulant (ACTh) and antiplatelet drugs. However, no study has reported an association between arterial hypertension (HTA) and chronic subdural hematomas. Therefore, the aim of this study was to investigate whether HTA is a risk factor for spontaneous chronic subdural hematomas (SCSDHs).

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Aim: The present study aimed at identifying the risk factors, typical clinical symptoms and applied treatment in seven cases with mucocele of the paranasal sinuses.

Materials And Methods: Seven patients suffering from mucocele of the paranasal sinuses were admitted to the Clinic of Neurosurgery and the Clinic of Ear, Nose and Throat Diseases between 2014 and 2016. There were 4 females and 3 males aged between 22 and 78 (95% CI [31.

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