Detecting parathyroid adenoma using technetium-99m tetrofosmin: comparison with P-glycoprotein and multidrug resistance related protein expression - a preliminary report

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Title:	Detecting parathyroid adenoma using technetium-99m tetrofosmin: comparison with P-glycoprotein and multidrug resistance related protein expression - a preliminary report
Authors:	Shiau, YC;Tsai, SC;Wang, JJ;Ho, ST;Kao, A
Contributors:	附設醫院核子醫學部;China Med Coll Hosp, Dept Nucl Med, Taichung, Taiwan;China Med Coll Hosp, Dept Med Res, Taichung, Taiwan;Natl Taiwan Univ, Coll Elect Engn, Inst Biomed Engn, Far Eastern Mem Hosp,Dept Nucl Med, Taipei 10764, Taiwan;Show Chwan Mem Hosp, Dept Nucl Med, Chunghua, Taiwan;Chi Mei Med Ctr, Dept Med Res, Tainan, Taiwan;Natl Def Med Ctr, Sch Med, Taipei, Taiwan
Date:	2002
Issue Date:	2010-09-24 14:39:16 (UTC+8)
Publisher:	ELSEVIER SCIENCE INC
Abstract:	Purpose: The functional performance of athletes with suprascapular nerve entrapment remains unaddressed biomechanically. The purpose of this study was to investigate the glenohumeral joint kinematics, stability, and characteristics of joint contact. Methods: The investigation used an in vitro model simulating muscle palsy due to the suprascapular nerve entrapment. The experiment was performed in three clinically relevant positions: inferior, one by sulcus test; posterior. one with 90degrees flexion and maximal internal rotation: and anterior, one with 90degrees abduction and 90degrees external rotation (which is critically involved in several sports activities). Results: Simulated palsy due to suprascapular nerve entrapment bad effects on glenohumeral joint stability and contact characteristics. Changes in the humeral head displacement and the glenohumeral joint contact characteristics were the most significant in the anterior direction when the arm in 90degrees abduction and 90degrees external rotation. Conclusion; Glenohumeral function is affected by muscle weakness at the position that is critical in sports activities. Because the infraspinatus supplies 90% of the external rotation power of the shoulder and the supraspinatus stabilizes the humeral head in the glenoid during elevation, residual weakness due to suprascapular nerve entrapment may preclude a safe return to athletics.
Relation:	NUCLEAR MEDICINE AND BIOLOGY 29(3):339-344
Appears in Collections:	[China Medical University Hospital] Jurnal articles

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