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Cervical spondylomyelopathy or "wobbler syndrome" is a well-defined disorder of large-breed dogs, characterized by a compressive lesion affecting the cervical spinal cord that in many dogs may have a dynamic component. Determination of whether this dynamic component is present is important in the decision-making process as regards therapeutic intervention. Despite a significant risk of neurologic deterioration following myelography in some large dogs affected by wobbler syndrome, myelography is considered an essential part of the assessment, primarily as it allows assessment of whether a dynamic compression exists. This same neurologic deterioration is not apparent following magnetic resonance (MR) imaging; however, the use of MR imaging in the investigation of wobbler syndrome has thus far been limited by the inability to perform the traction studies required to ascertain whether a dynamic component to the spinal cord compression exists. This paper presents a technique of applying traction during MR imaging of the cervical spine to reduce a dynamic wobbler syndrome lesion.  相似文献   
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Objective— To report a surgical technique for creation of a urethral conduit using a preputial indirect flap.
Study Design— Case report.
Animals— Male Doberman Pinscher (6 weeks old).
Methods— A urethral conduit was constructed using a multistage preputial indirect flap in a dog with severe perineal hypospadias.
Results— Successful transfer of a perineal located urethral meatus to a more anatomically normal inguinal location was achieved with a preputial flap. The procedure was performed to aid control of recurrent urinary tract infections after anal and urethral separation in a dog with imperforate anus, urethrorectal fistula, and proximal perineal hypospadias.
Conclusions— Creation of a urethral conduit from a tubed bipedicle flap using redundant preputial tissue eliminated fecal contamination of the urethral meatus, aiding control of urinary tract infection. A good functional and cosmetic outcome was achieved.
Clinical Relevance— This technique should be considered in aiding control and prevention of urinary tract infections in dogs with proximal perineal hypospadias where a preputial remnant exists.  相似文献   
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