51 research outputs found

    Ulnar-sided wrist pain. II. Clinical imaging and treatment

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    Pain at the ulnar aspect of the wrist is a diagnostic challenge for hand surgeons and radiologists due to the small and complex anatomical structures involved. In this article, imaging modalities including radiography, arthrography, ultrasound (US), computed tomography (CT), CT arthrography, magnetic resonance (MR) imaging, and MR arthrography are compared with regard to differential diagnosis. Clinical imaging findings are reviewed for a more comprehensive understanding of this disorder. Treatments for the common diseases that cause the ulnar-sided wrist pain including extensor carpi ulnaris (ECU) tendonitis, flexor carpi ulnaris (FCU) tendonitis, pisotriquetral arthritis, triangular fibrocartilage complex (TFCC) lesions, ulnar impaction, lunotriquetral (LT) instability, and distal radioulnar joint (DRUJ) instability are reviewed

    Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements in 184,186Hg and two-state mixing calculations

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    The neutron-deficient mercury isotopes, 184,186Hg, were studied with the recoil distance Doppler-shift method using the Gammasphere array and the Köln plunger device. The differential decay curve method was employed to determine the lifetimes of the yrast states in 184,186Hg. An improvement on previously measured values of yrast states up to 8+ is presented as well as first values for the 9_{3} state in 184Hg and 10+ state in 186Hg. B(E2) values are calculated and compared to a two-state mixing model which utilizes the variable moment of inertia model, allowing for extraction of spin-dependent mixing strengths and amplitudes.8 pages, 9 figures, 2 tablesstatus: publishe
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