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Ultrasonographic evaluation of normal canine iliopsoas muscle.
Vet Radiol Ultrasound. 2008 Jul-Aug;49(4):378-82
Authors: Cannon MS, Puchalski SM
The aim of this study was to describe the normal ultrasonographic appearance of the iliopsoas muscle and related landmarks. Hind limbs of five dog cadavers with no history of lameness were evaluated. The origin and mid-body of the psoas major and the common insertion of the iliacus and psoas major on the lesser trochanter of the femur were identified and evaluated. New methylene blue was injected under ultrasonographic guidance at the three sites. Dissection was performed to confirm placement of the dye. The L3 origin, mid-body, and insertion of the muscle were identified in all dogs and were consistent in appearance and compatible with the general appearance of muscle and tendons. The L2 origin was consistently difficult to image. The same ultrasound technique was subsequently applied to four healthy dogs, and consistent images of the iliopsoas muscle and associated landmarks were obtained. In this study, the major structures of the iliopsoas could be identified and in all dogs had a similar appearance. Ultrasound is an important tool for the diagnosis of musculotendinous injury and may be useful for identification of ilipsoas injury as a cause of lameness in the dog.
PMID: 18720772 [PubMed – in process]
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