Coeliotomy for lymph node metastatectomy in dogs with adenocarcinoma of the anal sac has low morbidity and should be considered in patients presenting with evidence of regional metastatic disease both at initial presentation and with recurrent disease.
Short-term radiographic and clinical outcome of tibial plateau levelling osteotomy stabilised with anatomically contoured six-hole locking compression plates for the treatment of small dogs with large tibial plateau angle suggests a very low risk of complications. Rotation beyond the "safe point" is necessary to perform full rotation in some cases, but does not appear to incur an increased risk of tibial tuberosity fracture.
To assess reliability of the mechanical axes stifle angle in dogs positioned for radiography with a neutral stifle (neutral stifle angle (nSA)). To investigate radiographic landmarks for assessment of nSA from a collimated radiographic view. One hundred radiographs were taken of normal stifles belonging to 55 skeletally mature medium and large breed dogs, positioned using a repeatable protocol. Radiographs were widely collimated to include the femoral head and the talus. The angle of Blumensaat's line through the intercondylar fossa relative to the Mechanical Axis of the femur (intercondylar fossa angle, IFA), the angle of inclination of a tibial crest tangent line relative to the Mechanical Axis of the tibia (tibial crest angle, TCA) and the tibial plateau angle (TPA) were recorded. Mean nSA was 133.5°. Mean IFA was 155.5°. TCA had a mean of 6.7°. Estimates for nSA were calculated using mean IFA combined with mean TCA (enSA1), mean TPA (enSA2) and the mechanical axis of the tibia (enSA3). Mean percentage error relative was 2.99 per cent for enSA1, 2.82 per cent for enSA2, 1.67 per cent for enSA3. Blumensaat's line provides a consistent radiological feature for assessment of nSA. Assessment of nSA and correction for values varying from 135° may allow more consistent and accurate measurement of patellar tendon angle for presurgical planning.
Objective: To determine the influence of follow-up radiographic examination on recommendations made during routine clinical re-evaluation of dogs that had undergone uncomplicated tibial plateau leveling osteotomy (TPLO). Study design: Retrospective multi-institutional case series. Animals: Client-owned dogs (N = 1010) that underwent uncomplicated TPLO. Methods: Records from 11 institutions were searched for dogs that had been treated with unilateral TPLO and had no history of postoperative complications before their routine follow-up examination. The frequency of change in further clinical recommendations resulting from client-or clinician-voiced concerns or radiographic abnormalities was investigated. Results: Follow-up evaluation was performed at a median of 6 (range, 4-15) weeks after TPLO. Radiographic examination findings contributed to a change in recommendations in 4.15% (38/915) of dogs presented without client concerns and without abnormalities at orthopedic examination. Abnormal radiographic findings alone influenced the management of 3.76% (38/1010) of dogs. An association was detected between clinical features and radiological findings leading to a change in recommendations (P < .0001). Administration of
Modified tube gastropexy using a mushroom-tipped silicone catheter is an effective and safe surgical method for the management of gastric dilatation-volvulus. The gastrostomy tube allowed early enteral feeding and easy administration of medications, including gastroprotectants.
A 4-year-old Irish Setter was presented with a history of progressive left pelvic limb lameness. Orthopedic examination revealed pain on manipulation of the left stifle. Radiographs showed an osteolytic lesion in the subchondral bone of the medial tibial condyle. Fine-needle aspirates were taken, and cytology revealed numerous cohesive clusters of plump, oval to spindloid cells often with perivascular distribution and moderate cellular atypia. A diagnosis of sarcoma was made with synovial cell sarcoma (SCS) and histiocytic sarcoma being the 2 main differentials. Histopathology confirmed the diagnosis of sarcoma and provided the same differentials. All neoplastic cells were positive for vimentin, and approximately 5% of them also stained with pan-cytokeratin using immunohistochemical staining methods. Neoplastic cells did not express CD18. The combination of this immunohistochemical profile and cell morphology was consistent with an SCS. Synovial cell sarcoma is a rare and poorly understood canine tumor entity. This is the first extensive description of the cytologic features of this neoplasm. The literature was also reviewed, focusing on comparative aspects of dogs and people, with a special emphasis on the cell of origin and diagnostic tools. Controversies regarding the nomenclature of this tumor are also presented. The authors propose a new term (cytokeratin-positive joint-associated sarcoma) for addressing this neoplasm until the cell of origin of this tumor is elucidated.
Background The purpose of this study is to compare the rate of aspiration pneumonia and survival time of dogs undergoing two unilateral arytenoid lateralisation (UAL) techniques.Methods Eighty dogs diagnosed with laryngeal paralysis were treated by one of two UAL techniques: (1) a standard technique (ST) and (2) an anatomic preservation technique (APT). Outcome was assessed by in clinic re-examination and an owner follow-up questionnaire.Results Minor complications were reported for 22 per cent of dogs undergoing ST and 26 per cent for APT. Major complications were 7 per cent for ST versus 23 per cent for APT. Postoperative aspiration pneumonia was reported for 7 per cent of cases in ST and 17 per cent in APT. The median survival time for ST was 636 days and was 1067 days for APT. Cause of death was related to the laryngeal paralysis in 22 per cent, neurological deterioration in 16 per cent and for non-associated reasons in 59 per cent of cases. There was no statistically significant difference in the rate of aspiration pneumonia or survival time among the treatment groups. Owners reported that their dogs improved after both surgical procedures, with 90 per cent of the owners satisfied with the surgical outcome. Eighteen per cent of the dogs suffered recurrence of clinical signs.Conclusions In this study, there was no significant difference in risk of aspiration pneumonia or survival time following arytenoid lateralisation by either an ST or an APT.
Lateral plating was associated with fewer postoperative complications than pin and tension-band-wire fixation for arthrodesis of the calcaneoquartal joint in dogs with non-traumatic disruption of the plantar tarsal ligament.
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