Musculoskeletal sonography technique: Focused versus comprehensive evaluation

被引:22
作者
Jamadar, David A. [1 ]
Jacobson, Jon A. [1 ]
Caoili, Elaine M. [1 ]
Boon, Tracy A. [1 ]
Dong, Qian [1 ]
Morag, Yoav [1 ]
Girish, Gandikota [1 ]
机构
[1] Univ Michigan Hosp, Dept Radiol, Ann Arbor, MI 48109 USA
关键词
emergency radiology; focused sonography; musculoskeletal sonography; sonography technique; sports medicine; trauma;
D O I
10.2214/AJR.07.2433
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
OBJECTIVE. This article evaluates the utility of performing a focused musculoskeletal sonography examination on the basis of patients' presenting complaints. MATERIALS AND METHODS. Six hundred two patients evaluated over 6 months were scanned using a routine protocol. At the completion of the routine examination, each patient was asked to indicate a focal point of discomfort and, if present, was rescanned over the area of discomfort. Patients were classified in one of five categories depending on whether there was a focal point of discomfort and the presence or absence of an underlying sonographic abnormality. RESULTS. Eighty-three percent of the 602 patients had a sonographically detectable abnormality, 2.2% of whom had an abnormality not detectable by routine protocol-based scanning. The more peripheral the body part, the more likely that abnormalities detected by sonography correlated with focal symptoms: 81% in the wrist and hand and 73% in the ankle and foot, compared with the more central body parts of 15% in the shoulder and 31% in the hip. Chisquare analysis showed a significant association between the body part scanned and a detectable abnormality (p < 0.0001). CONCLUSION. Although a focused examination of the distal extremities correlated with an abnormality in most cases, a protocol-based approach ensured identifying 97.4% of the symptomatic abnormalities. The addition of a focused examination to an examination by protocol further increased the identification of abnormalities.
引用
收藏
页码:5 / 9
页数:5
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