Inferior petrosal sinus
Retrograde Flow in the Left Inferior Petrosal Sinus and Blood Steal of the Cavernous Sinus Associated with Central Vein Stenosis: MR Angiographic Findings
... the inferior petrosal ...both inferior petro- sal sinuses showed high signal intensity, because the saturation band was at a more caudal level than the jugular foramen and was not traveling ...the ...
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The anatomy of the inferior petrosal sinus, glossopharyngeal nerve, vagus nerve, and accessory nerve in the jugular foramen
... recess inferior to the internal auditory canal, which serves as its me- ...and inferior to the jugular spine of the temporal bone and course in fibrous tissue an- terior and medial to the jugular ...The ...
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Cavernous Sinus and Inferior Petrosal Sinus Flow Signal on Three Dimensional Time of Flight MR Angiography
... ous sinus, the inferior petrosal sinus, the superior petrosal sinus, the superior ophthalmic vein and sphenoparietal sinus, and the sylvian ...
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A pitfall of bilateral inferior petrosal sinus sampling in cyclic Cushing’s syndrome
... bilateral inferior petrosal sinus sampling (BIPSS) performed during a trough phase was false positive for pituitary ACTH overproduction resulting in unnecessary transsphenoidal surgery while a second ...
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Bilateral inferior petrosal sinus sampling in the diagnosis of Cushing disease
... Cushing disease (CD), characterized by an adrenocorticotropic hormone (ACTH)- secreting pituitary adenoma that may be surgically resected for a cure. Noninvasive imaging and laboratory tests have low sensitivity, ...
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Inferior petrosal sinus sampling in healthy subjects reveals a unilateral corticotropin releasing hormone induced arginine vasopressin release associated with ipsilateral adrenocorticotropin secretion
... simultaneous inferior petrosal sinus (IPS) sampling in healthy human subjects, we observed lateralized ACTH secretion, suggesting lateralized secretion of an ACTH-reg- ulating hypothalamic ...both ...
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Neurologic Complications of Inferior Petrosal Sinus Sampling
... right inferior petrosal ...an inferior petrosal sinus venogram was performed to evaluate contrast filling within the ipsilateral inferior petrosal (IPS) and cavernous ...
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Dural arteriovenous fistulas involving the inferior petrosal sinus: angiographic findings in six patients
... A, Left occipital artery injection, lateral view, shows dural arteriovenous fistula DAVF of inferior petrosa l sinus with venous drainage directed superiorly into cavernous sinus straigh[r] ...
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Adrenocorticotropic hormone–dependent Cushing's Syndrome: Sensitivity and Specificity of Inferior Petrosal Sinus Sampling
... IPS sampling of ACTH after oCRH stimulation is an established invasive technique that can also be used for distinguishing pituitary from ectopic sources of ACTH production. Many experts con- sider IPS sampling to be the ...
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Anatomy of the junction of the inferior petrosal sinus and the internal jugular vein
... We describe an uncommon variant anatomy, incomplete type IV, found in 4.5 % of our subjects six of 133, that may cause incorrect results of petrosal sinus sampling, CONCLUSION: Bilateral[r] ...
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Morphologic Evaluation of the Caudal End of the Inferior Petrosal Sinus Using 3D Rotational Venography
... head sinus and the ante- rior cardinal vein occurs dorsolaterally to nerves, the vagal vein, the hypoglossal vein, and the upper cervical interseg- mental veins may anastomose with each other, resulting in a ...
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Superior Petrosal Sinus: Hemodynamic Features in Normal and Cavernous Sinus Dural Arteriovenous Fistulas
... the petrosal vein (PV), and the anterior segment of the SPS into the cavernous sinus ...sphenopetrosal sinus (primitive tentorial sinus) and both segments of the ...IPCV, inferior ...
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Arrhythmogenicity of the Coronary Sinus
... during sinus rhythm and high right atrial pacing, discrete double potentials or fractionated electrograms were recorded during left, right atrial and CS pacing at the CS ostium, mid-CS, and distal CS-ligament of ...
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VARIX OF THE SIGMOID SINUS
... rate and arterial blood pressure were not un- usual. At a point just posterior to the right mastoid process a compressible mass, 5 cm. in.. diameter, was present. There were no indica-.[r] ...
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Sphenoid sinus mucoceles
... sphenoid sinus over an 18 year period (January 1998 to December 2015) at Madras ENT Research Foundation, a tertiary care otolaryngology facility in South ...sphenoid sinus mucoceles were included in the ...
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Large dentigerous cyst in the maxillary sinus causing bone erosion of the sinus walls
... Because of its large size, it was very difficult to remove the cyst en bloc so the cyst opened to decrease its size and facilitate its removal completely with the tooth inside it (Figure 8). An inferior meatal ...
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ABSENCE OF THE INFERIOR VENA CAVA
... The persistent L superior vena cava emptleJ directly into L atrium, as did the cornorary sinus.. The.[r] ...
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The View from an Inferior Court
... however, that no further collateral challenge could be made in the federal courts in the District of Columbia.23 Thus it is that for some years now, although a state pr[r] ...
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Nasal and Sinus Disorders
... endoscopic sinus surgery.” To paraphrase, the goal of modern sinus surgery is to pinpoint the diseased sinus cells and open them in a minimally-invasive fashion, while preserving the surrounding, ...
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Pilonidal Sinus in Infancy
... a newborn infant in whom a severe cellulitis developed from a pibonidal sinus; in addition, cases are reviewed of pilonidal sinus occurring.. in infants under 1 year of age admitted to L[r] ...
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