Nonsurgical Management of a Caudal Mediastinal Granuloma.

A 3 yr old female springer spaniel presented with a 3-day history of pyrexia, lethargy, and a mild cough. A year prior, the dog had undergone surgical removal of a grass seed from her sublumbar muscles. Computed tomography of the thorax revealed the presence of a caudal mediastinal mass closely associated with the esophagus and diaphragm.

Clinical outcomes and complications of tracheal resection and anastomosis in dogs and cats: 20 cases (2009-2022).

Objectives: To report clinical presentation, short-term outcome and complications of tracheal resection and anastomosis in dogs and cats.

Materials And Methods: Clinical records of pets treated with tracheal resection and anastomosis in seven UK-based veterinary referral centres were retrospectively reviewed (2009 to 2022).

Results: Twenty client-owned pets (eight dogs; 12 cats) were included.

Oronasal mucosal melanoma is defined by two transcriptional subtypes in humans and dogs with implications for diagnosis and therapy.

Mucosal melanoma is a rare melanoma subtype associated with a poor prognosis and limited existing therapeutic interventions, in part due to a lack of actionable targets and translational animal models for preclinical trials. Comprehensive data on this tumour type are scarce, and existing data often overlooks the importance of the anatomical site of origin. We evaluated human and canine oronasal mucosal melanoma (OMM) to determine whether the common canine disease could inform the rare human equivalent.

Computed tomographic features of suspected arterial pseudoaneurysm in the head and neck of four dogs.

Computed tomography is a valuable diagnostic technique in the clinical work-up of dogs with oropharyngeal trauma and bleeding. Traumatic extravasation can manifest as a pseudoaneurysm. A pseudoaneurysm is an extraluminal accumulation of blood that is contained by the adventitia layer or neighboring tissues.