[PDF] Top 20 MR Imaging of Cavernous Sinus Involvement by Pituitary Adenomas
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MR Imaging of Cavernous Sinus Involvement by Pituitary Adenomas
... Left carotid artery is surrounded by tumor and there is lateral bowing of lateral dural reflection as well as marked enlargement of medial and superior compartments by this tumor, which [r] ... See full document
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Pituitary Adenomas: Early Postoperative MR Imaging After Transsphenoidal Resection
... a pituitary adenoma is removed trans- sphenoidally, the resection cavity in the sella is packed with either gelatin foam or autologous fat to achieve hemostasis or to prevent leakage of ce- rebrospinal ... See full document
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MR imaging of pituitary adenomas using a prototype resistive magnet: preliminary assessment
... As in the case of the normal pituitary gland, on IR images, most pituitary adenomas exhibited a signal intensity less than that of the pons, markedly less than clival or dorsum sellae bo[r] ... See full document
7
Gd DTPA enhanced MR imaging of pituitary adenomas
... A thin-section , contrast-enhanced CT scan was available in one patient with Cushing disease and was suspicious for a surgically confirmed , 5-mm, nonenhancing lesion not seen on either [r] ... See full document
6
Differentiation between Cystic Pituitary Adenomas and Rathke Cleft Cysts: A Diagnostic Model Using MRI
... weighted MR imaging, septation, and the presence of an intracystic nodule) is easy to use and can achieve high diag- nostic performance (AUC value, ...which imaging features should be considered more ... See full document
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Tentorial Enhancement on MR Images Is a Sign of Cavernous Sinus Involvement in Patients with Sellar Tumors
... the involvement of the cavernous ...on MR images in ...of cavernous sinus invasion into sellar ...for pituitary adenomas, sug- gesting that the sign reflects venous ... See full document
6
Comparison of MR Imaging, CT, and Angiography in the Evaluation of the Enlarged Cavernous Sinus
... MR was also superior to both CT and angiography in defining the relationships of cavernous sinus neoplasms to the internal carotid artery, pituitary gland, optic chiasm, infundibulum, an[r] ... See full document
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Extracerebral Cavernous Hemangioma of the Cavernous Sinus: Diagnosis with MR Imaging and Labeled Red Cell Blood Pool Scintigraphy
... Extracerebral cavernous sinus hemangiomas are rare, comprising less than 1% of all parasellar masses ...common cavernous sinus masses that may also have sphenoid bone involvement ... See full document
5
Tributary venosinus occlusion and septic cavernous sinus thrombosis: CT and MR findings
... petrosal sinus involvement, sphenoparietal sinus thrombosis was missed on noncontrast T1-weighted images, probably because of partial volume effects with CSF and adjacent hypointense ...rietal ... See full document
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Dynamic Enhancement Features of Cavernous Sinus Cavernous Hemangiomas on Conventional Contrast Enhanced MR Imaging
... meningiomas, pituitary ad- enomas, neurilemomas, metastases, Tolosa-Hunt syndrome, intracavernous aneurysms, cavernous hemangiomas, lym- phomas, teratomas, chondromas, chordomas, chondrosarco- mas, lipomas, ... See full document
5
MR Imaging of Pituitary Adenoma: CT, Clinical, and Surgical Correlation
... MR parameters evaluated included height of intrasellar contents, cavernous sinus invasion, position of the infundibulum, diaphragma sellae configuration, optic chiasm compression , sella[r] ... See full document
6
Abnormal Perfusion of the Pituitary Gland Secondary to Dural Arteriovenous Fistulas in the Cavernous Sinus: Dynamic MR Findings
... underwent MR exam- inations after the successful treatment of the ...dynamic MR examinations were included in this ...treatment MR examinations ranged from 1 week to 35 months, with an average of ... See full document
7
Normal Cranial Nerves in the Cavernous Sinuses: Contrast Enhanced Three Dimensional Constructive Interference in the Steady State MR Imaging
... 1); pituitary screening (n ⫽ 2); and screening for auditory disturbance, tinnitus, or dizziness (n ⫽ ...underwent pituitary screening had no abnormal MR ...normal MR imaging ... See full document
5
Gas in the cavernous sinus
... Previously reported cases of cavernous sinus gas identified on head computed tomography CT scans have been associated with septic thrombosis of the cavernous sinus 1, sphenoid fracture 2[r] ... See full document
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Evaluation of Dural Arteriovenous Fistulas with 4D Contrast Enhanced MR Angiography at 3T
... MATERIALS AND METHODS: The study population consisted of 18 consecutive patients with intracra- nial DAVFs (11 women, 7 men; age range, 35– 82 years; mean age, 64.8 years). They underwent 4D-CE-MRA at 3T and DSA. The ... See full document
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Cavernoma of cavernous sinus
... Treatment levels were no treatment restrictions; treatment re- stricted to standard supportive care, such as can be given on regular wards (no-resuscitation order, weaning from the venti[r] ... See full document
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Edema along the optic tract: a useful MR finding for the diagnosis of craniopharyngiomas
... large pituitary adenomas nor tuberculum sellae meningiomas were associated with edema surrounding the tumor (Figs 1 and ...The MR images for these five patients showed edema spreading pos- teriorly ... See full document
5
MR Imaging of Adenomas of the Nonpigmented Ciliary Epithelium of the Eye
... Although the preferred treatment for ANPCEs is local re- section sparing the globe, they are often clinically indistin- guishable from the more common ciliary body malignant mel- anoma that arises in the same location ... See full document
5
Dense calcification in a GH-secreting pituitary macroadenoma
... in pituitary adenomas is postulated to be a result of dystrophic calcification due to progressive tumour enlargement with central ischaemic effects, which may also promote osteoid metaplasia when ... See full document
5
The Oculomotor Cistern: Anatomy and High Resolution Imaging
... the imaging studies reviewed, two thirds of standard axial whole-brain MR images (Fig 4) and 75% of high-resolution screening 3T MR images clearly showed the OMC (Fig ...specific MR im- ...on ... See full document
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