نتایج جستجو برای: sphenoid sinus
تعداد نتایج: 42738 فیلتر نتایج به سال:
BACKGROUND Multiple reports have demonstrated the efficacy of the transnasal endoscopic repair of cerebrospinal fluid (CSF) leaks of the anterior cranial base. The literature, however, lacks a comprehensive clinical study specifically addressing the transnasal endoscopic repair of CSF leaks of the sphenoid sinus. OBJECTIVE To ascertain the factors that significantly affect the surgical outcom...
Sphenoid sinus lesions can present with a multitude of symptoms/signs including ophthalmic disturbances. We describe a total of five patients, of which two had mucoceles and rest three had fungal infection. Ophthalmic symptoms/signs were the ones we were really interested in. We also present one case which had isolated sphenoid fungal sinus. We also give details of their presentation, investiga...
OBJECTIVE We report a unique case of anatomical variation of the extracranial course of the optic nerve running in the floor of the sphenoid sinus. METHOD Clinical and radiological findings are presented. RESULTS A 39-year-old woman with Turner syndrome presented with severe headache associated with visual disturbances. Magnetic resonance imaging revealed a mass presumed to be a sella menin...
Spontaneous sphenoid sinus mucocele revealed by meningitis and brain abscess in a 12-year-old child.
Sphenoid sinus mucocele is an uncommon lesion related to inflammatory disease that is diagnosed after surgery or a traumatic event. This report describes an unusual case revealed by bacterial meningitis and cerebral abscess in a 12-year-old child. CT and MR imaging allowed precise extension to the skull base in preoperative management and follow-up investigations. Endoscopic transnasal marsupia...
INTRODUCTION When an expanded endonasal transsphenoidal surgical approach is performed, intrasphenoid septations must be completely resected. If these structures are close to the internal carotid artery (ICA), then their manipulation might cause vascular injury. OBJECTIVE The objective of this study is to describe the frequency of intrasphenoid septations in the internal carotid artery protub...
Sphenoid opacifications may be discovered during the radiological work up of patients presenting with fever, headache, or neurological changes. While most of these patients do not require surgical intervention, prompt assessment and management is nevertheless required. Ten patients who underwent sphenoidotomy for drainage or biopsy at Montefiore Hospital during a 4-year period from September 19...
Cases of cerebrospinal fluid (CSF) rhinorrhea due to clival fracture are rare. We present a case of bacterial meningitis with CSF rhinorrhea after a clival fracture. Heavily T2-weighted images showed a bone flap in the thinned clivus and fluid collection in the sphenoid sinus. CSF rhinorrhea developed at 1 month after mild trauma. The fracture may have been caused by the trauma and/or by the pr...
Delayed epistaxis after head trauma is a common presentation of’ pseudoaneruysm, which should be investigated. Traumatic pseudoaneurysm of the intracavernous ICA is a rate condition resulting from fracture base of the skull. gunshot injuries to head or after surgery on pituitary fossa or sphenoid sinus. The pseudoaneutysni arises at the i nfrac I inoid port ion proximal to opthalmic artery and ...
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