Paragangliomas of the Head and Neck

Mar 13, 2017 by in NEUROLOGICAL IMAGING Comments Off on Paragangliomas of the Head and Neck

Paragangliomas of the head and neck are rare vascular skull-base tumors derived from the paraganglionic system with an estimated incidence of 1:30,000 accounting for 3% of all paragangliomas. The most…

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Advanced Neuroimaging of Tinnitus

Mar 13, 2017 by in NEUROLOGICAL IMAGING Comments Off on Advanced Neuroimaging of Tinnitus

Key points • Tinnitus is associated with complex alterations to primary auditory, sensory, and limbic networks. • Functional MR imaging and diffusion tensor imaging are capable of revealing such changes….

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Dural Arteriovenous Fistulae

Mar 13, 2017 by in NEUROLOGICAL IMAGING Comments Off on Dural Arteriovenous Fistulae

Key points • Intracranial dural arteriovenous fistulae (DAVF) are pathologic shunts between dural arteries to dural veins or a venous sinus and are an important cause of pulsatile tinnitus. •…

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Surgical Treatment of Tinnitus

Mar 13, 2017 by in NEUROLOGICAL IMAGING Comments Off on Surgical Treatment of Tinnitus

Key points • Most patients with objective tinnitus, whether pulse-synchronous or not, will have an identifiable and frequently treatable cause. • Venous etiologies of pulse-synchronous tinnitus are the most common….

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Venous Abnormalities Leading to Tinnitus

Mar 13, 2017 by in NEUROLOGICAL IMAGING Comments Off on Venous Abnormalities Leading to Tinnitus

Venous anomalies are the most commonly identified abnormality by imaging in the work-up for pulse synchronous tinnitus. Potential diagnoses include idiopathic intracranial hypertension, sigmoid sinus wall anomalies, transverse and sigmoid…

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Tinnitus

Mar 13, 2017 by in NEUROLOGICAL IMAGING Comments Off on Tinnitus

Suresh K. Mukherji, MD, MBA, FACR, Consulting Editor Tinnitus has been a challenging topic for centuries. When I was “growing up,” we classified tinnitus as “subjective” versus “objective,” “pulsatile” versus…

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Clinical Evaluation of Tinnitus

Mar 13, 2017 by in NEUROLOGICAL IMAGING Comments Off on Clinical Evaluation of Tinnitus

The clinical evaluation of patients with tinnitus differs based on whether the tinnitus is subjective or objective. Subjective tinnitus is usually associated with a hearing loss, and therefore, the clinical…

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