Granulosa cell tumour with metastasis in a cat

The clinical, gross and microscopical features of a granulosa cell tumour in the ovary of a 2-year-old cat are described. This is a rare tumour in cats, moreover because of the animal's age. It was diagnosed clinically by ultrasound examination. The tumour, a cystic mass in the region of the left ovary, metastasized to the epiplon and lungs. Tumour cells expressed vimentin and were arranged in a diffuse sarcomatous pattern, supported by a fine fibrovascular stroma. The presence of hair loss and repeated oestrus as clinical signs are indicative of orthoendocrine paraneoplastic syndrome, due to excessive oestrogen stimulation. This tumour should be considered in the differential diagnosis of behavioural disturbances in female cats

Homologous pericardium as a biological dressing for treatment of distal limb wonds in horses: an experimental study

This study evaluates the effects of homologous pericardium as a biological dressing for treatment of distal limb wounds in horses. Five adult horses were put under general anesthesia and a circular wound was created over each metacarpus. The left limb wound was covered with a synthetic semi-occlusive dressing and the right limb wound was covered with pericardium stored in 98 per cent glycerin. Fixation of the membrane to the wound margins was done with cyanoacrilate glue. Bandage changes and data collection were carried out every 72 hours, until spontaneous detachment of the pericardium occurred. Data evaluated were the aspect of the granulation tissue, the behaviour of the membrane and the wound area variation, assessed under digital image analysis. Anatomo-pathological study and non-parametric statistical analysis were also performed. Pericardium had a positive effect on the granulation tissue, but permanent occlusion of exsudative wounds cannot be recommended.