نتایج جستجو برای: sellar
تعداد نتایج: 1006 فیلتر نتایج به سال:
Pituitary tumours are the most common sellar masses, frequently presenting with visual impairment and endocrine abnormalities. Two cases of pituitary tumour presenting with ptosis are reported.
Neuroendocrine dysfunction is a common complication of several neurosurgical conditions. In particular, central diabetes insipidus (CDI) can occur subsequent to traumatic brain injury, subarachnoid hemorrhage, cerebral tumors or as result following pituitary neurosurgery. contrast, surgical resection non-sellar does not commonly in CDI, with only few cases reported the literature. We report cas...
Précis: We report the unusual etiology of a sellar aggressive mass, an epithelioid angiosarcoma, the diagnosis of which was made from positive epithelial and vascular markers.
Focal contour c hanges of the se ll a have been interpreted by several authors to represent underlying pituitary microadenomas [1 -4). These changes are often only recognized by thin section tomography. However, norm al va ri ations in the sellar contour may simulate pathologi c alteration s [5). Due to the high inc idence of incidental pituitary microadenomas in ihe general populati on [6] , c...
The sellar and parasellar (SPS) region is a complex area rich in vital neurovascular structures and as such may be the location of first manifestation of a systemic malignancy. Metastases to this region are rare; breast cancer is the most common source among those that metastasize to the SPS region. Ophthalmoplegia, headache, retroorbital or facial pain, diabetes insipidus, and visual field def...
BACKGROUND Proposing a strategy for sellar reconstruction in endoscopic transsphenoidal transsellar approachfor pituitary adenoma. METHODS 240 patients with pituitary adenoma underwent pure endoscopic endonasal transsphenoidal surgery.Intra-operative CSF leaks were classified as grade 0, no observable leak; grade 1, CSF dripping through anarachnoid membrane defect of less than 1 mm; and grade...
BACKGROUND Rathke cleft cysts (RCCs), benign remnants of the Rathke pouch typically arising in the sella, sometimes have suprasellar extension. Purely suprasellar RCCs are rarely reported. OBJECTIVE To compare the presentations, surgical outcomes, and pathology of purely suprasellar RCCs and sellar-based RCCs. METHODS We retrospectively reviewed records, magnetic resonance images, laborator...
Sellar plasmacytomas are rare and the differential diagnosis with non-functioning pituitary adenomas might be difficult because of clinical and radiological resemblance. They usually present with neurological signs and intact anterior pituitary function. Some may already have or eventually progress to multiple myeloma. We describe a case associated with extensive anterior pituitary involvement,...
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