Arthroscopy

A six-year-old, female, neutered, whippet was presented for evaluation of a severe, sudden-onset right pelvic limb lameness. The extensor mechanism of the right stifle was intact and there was periarticular swelling in the right stifle. Radiography showed a fracture of the distal pole of the patella. The distal fragment was approximately 25% of the patellar length and the fracture was deemed non-reconstructable. Fracture fragment removal was performed arthroscopically, which led to an excellent clinical outcome.

An 11-month-old, male neutered, domestic short-haired cat presented for evaluation of sudden onset right pelvic limb lameness. Radiography showed features consistent with unilateral osteochondritis dissecans (OCD) of the lateral femoral condyle in the right stifle. Arthroscopic examination of the stifle was used to confirm the presence of an articular cartilage lesion and the presence of loose cartilage within the joint. The loose cartilage fragments were removed arthroscopically.

Objectives: To determine the sensitivity and specificity of arthroscopic estimation of positive and negative radio-ulnar incongruence (RUI) in the canine elbow joint. Methods: Experimental radial shortening and lengthening by 1 and 2 mm increments were performed in nine right elbow joints, extending an established surgical in vitro model of RUI. Arthroscopic estimation of each artificially produced radio-ulnar joint conformation (RUJC) was done using a graduated hook probe.

The aim of this cadaveric study was to determine the normal arthroscopic anatomy of the feline shoulder from a caudolateral arthroscope portal, to compare this with the gross anatomy evident upon dissection, and to determine the degree of iatrogenic trauma caused by the arthroscopy. A 1.9 mm, 30 degrees fore oblique arthroscope via a caudolateral portal, and a 21-gauge needle via a craniolateral egress portal were used to assess intra-articular structures in eight feline cadaveric shoulders.