Computer simulation of the distal aspect of the femur for assessment of donor core size and surface curvature for autologous osteochondral transplantation in the canine stifle joint.

Objective: To report topographic matching of selected donor sites and donor core sizes for congruous reconstruction of the weight-bearing aspect of the femoral condyles in dogs for autologous osteochondral transplantation (AOT) using computer simulation.

Study Design: Computer simulation.

Sample Population: Computed tomographic scans of the distal aspect of 1 femur from each of 6 mature dogs (>20 kg).

Effects of attachment sites and joint angle at the time of lateral suture fixation on tension in the suture for stabilization of the cranial cruciate ligament deficient stifle in dogs.

Objective: To investigate the influence of different sites of lateral suture fixation for stabilization of the cranial cruciate ligament (CCL) deficient stifle and different joint angles at time of tightening on suture tension.

Study Design: Controlled laboratory study.

Sample Population: Stifle joints (n=9) of dogs >or=20 kg.

Development and in situ application of an adjustable aiming device to guide extra- to intraarticular tibial tunnel drilling for the insertion of the cranial cruciate ligament in dogs.

Objective: To develop and test an arthroscopic aiming device for extra- to intraarticular tibial tunnel drilling emerging at the center of the tibial insertion (CenterTib) of the cranial cruciate ligament (CCL) in medium to large breed dogs.

Study Design: Descriptive experimental study.

Sample Population: Fifty-two cadaveric hind limbs of dogs >or=20 kg BW.

Mapping subchondral bone density of selected donor and recipient sites for autologous osteochondral transplantation in the canine stifle joint using computed tomographic osteoabsorptiometry.

Objective: To characterize donor and recipient sites for autologous osteochondral transplantation (AOT) in the canine stifle joint with respect to maximal subchondral bone density (mSBD).

Study Design: Descriptive laboratory study.

Sample Population: Femora (n=15) of dogs (>20 kg).

Value of low-field magnetic resonance imaging in diagnosing meniscal tears in the canine stifle: a prospective study evaluating sensitivity and specificity in naturally occurring cranial cruciate ligament deficiency with arthroscopy as the gold standard.

Objective: To evaluate the sensitivity and specificity of low-field magnetic resonance imaging (lfMRI) for detection of meniscal tears in the canine stifle.

Study Design: Double-blinded prospective clinical study.

Animals: Forty-two consecutive stifles of dogs (>or=20 kg; n=34) with clinical and radiologic signs suspicious for cranial cruciate ligament (CCL) insufficiency.

Percutaneous cementoplasty in the palliative, multimodal treatment of primary bone tumors of the distal aspect of the radius in four dogs.

Objective: To (1) evaluate the analgesic effect of percutaneous cementoplasty (PC) in dogs with primary bone tumor (PBT) of the distal aspect of the radius and (2) evaluate the impact on the course of disease by adding PC to a palliative, multimodal treatment protocol in these dogs.

Study Design: Prospective pilot study.

Animals: Dogs (n=4) with PBT of the distal aspect of the radius.

Mapping of split-line pattern and cartilage thickness of selected donor and recipient sites for autologous osteochondral transplantation in the canine stifle joint.

Objective: To characterize donor and recipient sites for autologous osteochondral transplantation in the canine stifle joint with respect to split-line pattern and cartilage thickness.

Study Design: In vitro study. Sample Population- Stifle joints (n=30) of dogs >20 kg.

Visual estimation of radioulnar incongruence in dogs using three-dimensional image rendering: an in vitro study based on computed tomographic imaging.

Objective: To determine the sensitivity and specificity of visual estimation of radioulnar incongruence (RUI) in the canine elbow by use of 3-dimensional (3D) image rendering.

Study Design: Experimentally induced negative and positive RUI.

Sample Population: Canine (>20 kg) cadaveric right thoracic limbs (n=8).

Continuous lumbar hemilaminectomy for intervertebral disc disease in an Amur tiger (Panthera tigris altaica).

A 13-yr-old Amur tiger (Panthera tigris altaica) was presented for an acute onset of paraplegia. Spinal imaging that included plain radiographs, myelography, and computed tomography performed under general anesthesia revealed lateralized spinal cord compression at the intervertebral disc space L4-5 caused by intervertebral disc extrusion. This extrusion was accompanied by an extensive epidural hemorrhage from L3 to L6.

Partial lateral corpectomy for ventral extradural thoracic spinal cord compression in a cat.

A 7-year-old, female spayed, domestic shorthair cat was presented for ambulatory paraparesis. No trauma history was reported. Myelography and subsequent computed tomography revealed multiple ventrally located extradural spinal cord compressive lesions possibly due to intervertebral disc disease.

In vitro comparison of tibial plateau leveling osteotomy with and without use of a tibial plateau leveling jig.

Objective: To evaluate the influence of a tibial plateau leveling jig on osteotomy orientation, fragment reduction, and postoperative tibial plateau angle (TPA) during tibial plateau leveling osteotomy (TPLO).

Study Design: In vitro experimental study.

Animals: Large-breed canine cadavers (n=20).

Magnetic resonance imaging and pathologic findings associated with necrotizing encephalitis in two Yorkshire terriers.

Two young adult Yorkshire terriers had neurologic signs consistent with forebrain and brainstem involvement or forebrain involvement alone. On magnetic resonance imaging studies there were asymmetric bilateral lesions mainly in the cerebral cortex, and in the diencephalon. These areas were hyperintense on T2-weighted and FLAIR images, but hypointense or isointense on T1-weighted images.