ABSTRACT
OBJECTIVE: To determine the prevalence of lymphoplasmacytic synovitis (LPS) in dogs with naturally occurring cranial cruciate ligament (CCL) rupture and compare clinical, radiographic, cytologic, and histologic findings in dogs with and without LPS. DESIGN: Cross-sectional study. ANIMALS: 110 dogs with naturally occurring CCL rupture. PROCEDURES: Histologic examination of synovial biopsy specimens obtained at the time of surgical treatment was used to identify dogs with LPS. Clinical, radiographic, cytologic, and histologic findings were compared between dogs with and without LPS. RESULTS: 56 (51%) dogs had histologic evidence of LPS. There were no significant differences in age, body weight, duration of lameness, severity of lameness, severity of radiographic signs of degenerative joint disease, extent of CCL rupture (partial vs complete), or gross appearance of the medial meniscus between dogs with and without LPS. Mean tibial plateau angle was significantly lower in dogs with LPS than in dogs without LPS, and dogs with LPS were significantly more likely to have neutrophils in their synovial fluid. Lymphocytes were seen in synovial fluid from a single dog with LPS. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggested that LPS was common in dogs with naturally occurring CCL rupture. However, only minor clinical, radiographic, cytologic, and histologic differences were identified between dogs with and without LPS.
Subject(s)
Anterior Cruciate Ligament Injuries , Dog Diseases/epidemiology , Lymphocytosis/veterinary , Synovial Fluid/immunology , Synovitis/veterinary , Animals , Cross-Sectional Studies , Dog Diseases/immunology , Dogs , Female , Lymphocytosis/epidemiology , Lymphocytosis/immunology , Male , Prevalence , Rupture/veterinary , Synovial Fluid/cytology , Synovitis/epidemiology , Synovitis/immunologyABSTRACT
Sixty-two cats with sinonasal disease were evaluated with computed tomography. Findings that may lead to a computed tomographic diagnosis of nasal neoplasia versus rhinitis included osteolysis of the paranasal bones, moderate to severe turbinate destruction, lysis of the nasal septum, the presence of a homogenous space occupying mass, and extension of the disease process into the orbit or facial soft tissues. These findings were not pathognomonic for neoplasia and may be associated with severe rhinitis; therefore, nasal biopsy was recommended. When compared with parallel radiographic studies, computed tomography was not more sensitive than radiographs at detecting the presence of nasal cavity abnormalities in cats with referable clinical signs but was more sensitive at localizing these changes and determining the extent of disease.
Subject(s)
Cat Diseases/diagnostic imaging , Nose Neoplasms/veterinary , Animals , Cat Diseases/pathology , Cats , Female , Male , Nose Neoplasms/diagnostic imaging , Nose Neoplasms/pathology , Retrospective Studies , Tomography, X-Ray ComputedABSTRACT
A 6-year-old Thoroughbred gelding presented with a left forelimb lameness. The results of lameness examination, radiography, nuclear scintigraphy, and computed tomography are presented. Based on the diagnostic imaging, subchondral fractures and osteochondritis dissecans lesions of the proximal articular surface of the proximal phalanx were diagnosed. A brief discussion of osteochondritis dissecans is presented.
