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http://ntur.lib.ntu.edu.tw/handle/246246/168956
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| Title: | Rhabdomyolysis: Magnetic Resonance Imaging and Computed Tomography Findings |
| Authors: | 呂佳虹;曾旭明;游治維;吳木榮;許昭禹;施庭芳
LU, CHIA-HUNG;TSANG, YUK-MING;YU, CHIH-WEI;WU, MU-ZON;HSU, CHAO-YU;SHIH, TIFFANY TING-FANG |
| Contributors: | 影像醫學部 |
| Date: | 2007 |
| Issue Date: | 2009-09-29T08:53:12Z |
| Abstract: | Objective: Our purpose was to describe the magnetic resonance (MR) imaging and computed tomography (CT) findings in patients with rhabdomyolysis. Methods: The medical records and imaging studies of 10 patients (5 males, 5 females; age range, 14Y60 years; mean age, 28.3 years ) with rhabdomyolysis were retrospectively reviewed. Magnetic resonance imaging was available in 9 patients and CT in 2 patients. Results: Two distinct imaging types of rhabdomyolysis were observed. For type 1 rhabdomyolysis (n = 2), the affected muscles revealed homogeneously isointense to hyperintense on T1-weighted, homogeneously hyperintense on T 2-weighted and short-tau inversion recovery (STIR) images, and homogeneously enhanced on contrastenhancedMRimages. For type 2 rhabdomyolysis (n = 8), the affected muscles revealed homogeneously or heterogeneously isointense to hyperintense on T1-weighted images, heterogeneously hyperintense on T2- weighted and STIR images, heterogeneously hypodense on CT images, and rim enhanced on contrast- enhanced MR and CT images with the presence of a specific presentation, named as the “stipple sign.” Conclusions: Rhabdomyolysis is a clinical and biochemical syndrome comprising 2 distinct imaging types. Homogeneous signal changes and enhancement in the affected muscles advocate type 1 rhabdomyolysis. The stipple sign is helpful in demonstrating the areas of myonecrosis in type 2 rhabdomyolysis and, together with clinical and laboratory presentations, in reaching the correct diagnosis. |
| Relation: | JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY v.31 n.3 pp.368-374 |
| Appears in Collections: | [附設醫院影像醫學部] 期刊論文
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