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An important point of view is that recurrent pleomorphic adenomas may occur after a very long time from primary surgery, on average over 7–10 years but up to 24 years afterwards. [ 11 ] [ 10 ] Thus, it is of utmost importance to evaluate the ultimate results of these different surgical techniques in the future.
Somatotrophic adenomas have only been described in two dogs. [1] In 1996 a 9 year old male Doberman Pinscher with difficult to manage diabetes mellitus but no signs of acromegaly was euthanised. Necropsy later revealed an acidophilic adenoma with immunohistochemical staining for growth hormone, adrenocorticotropic hormone , and prolactin . [ 6 ]
Despite its relative rarity compared to limb prosthesis, strides have been made over the decades, with notable milestones such as the first pacemaker surgery on a dog in 1968 and successful kidney transplants in cats since the mid-1980s. This field faces challenges, particularly in canine programs, due to issues related to immunosuppression.
Adenoid cystic carcinoma is a rare type of cancer that can exist in many different body sites. This tumor most often occurs in the salivary glands, but it can also be found in many anatomic sites, including the breast, [1] [2] lacrimal gland, lung, brain, Bartholin gland, trachea, and the paranasal sinuses.
The tumor can also cause life-threatening blockage of the intestine. Cats with the mediastinal form often have respiratory distress and fluid in the thoracic cavity. If lymphoma develops in the kidney, the cat may have increased water consumption and increased urination. Lymphoma of the kidney presents as bilateral kidney enlargement and failure.
An salivary gland oncocytoma (also known as an oxyphilic adenoma) is a well-circumscribed, benign neoplastic growth comprising about one percent of all salivary gland tumors. The histopathology is marked by sheets of large, swollen polyhedral epithelial oncocytes, which are granular acidophilic parotid cells with centrally located nuclei.
Papillary renal cell carcinoma (PRCC) is a malignant, heterogeneous tumor originating from renal tubular epithelial cells of the kidney, which comprises approximately 10-15% of all kidney neoplasms. [1] Based on its morphological features, PRCC can be classified into two main subtypes, which are type 1 and type 2 (eosinophilic). [2]
Familial renal disease is an uncommon cause of kidney failure in dogs and cats. Most causes are breed-related (familial) and some are inherited. Some are congenital (present at birth). Renal dysplasia is a type of familial kidney disease characterized by abnormal cellular differentiation of kidney tissue.