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There are three main treatment options available to treat soft tissue sarcoma in cats and dogs: surgery, radiation therapy, and chemotherapy. Surgery alone or in combination with radiation therapy are used to treat the tumor at its original location, and chemotherapy is usually used to prevent or at least slow down the process of metastasis in ...
A mastocytoma in dogs (or mast cell tumor in dogs) is a neoplasm originating from mast cells in the domestic dog, which occurs mainly in the skin and subcutis. Mastocytoma are not only extremely common in dogs, but also tend to be much more malignant in them than in other animal species.
The lesions occur as multiple cutaneous and subcutaneous nodules up to 4 cm diameter. They may disappear spontaneously, or regress and appear at new sites simultaneously. Topographically lesions may be found on the face, ears, nose, neck, trunk, extremities (including foot pads), perineum and scrotum. [1] [2] Treatment options in SH and CH.
Removal of the mast cell tumor through surgery is the treatment of choice. Antihistamines, such as diphenhydramine, are given prior to surgery to protect against the effects of histamine released from the tumor. Wide margins (two to three centimeters) are required because of the tendency for the tumor cells to be spread out around the tumor.
Similarities among bland spindle-cell lesions lead to a large number of possibilities in diagnosis, including fibroblastic sarcomas, Gardner fibroma, scar tissue or keloids, superficial fibromatosis, nodular fasciitis, myofibroma, collagenous fibroma, gastrointestinal stromal tumor, solitary fibrous tumor, phyllodes tumor, and other conditions ...
Hemangiopericytomas are tumors that are derived from specialized spindle shaped cells called pericytes, which line capillaries. [4] Hemangiopericytoma is an aggressive mesenchymally derived tumor with oval nuclei with scant cytoplasm. There is dense intercellular reticulin staining. Tumor cells can be fibroblastic, myxoid, or pericytic. These ...
A histiocytoma in the dog is a benign tumor. It is an abnormal growth in the skin of histiocytes (histiocytosis), a cell that is part of the immune system. A similar disease in humans, Hashimoto-Pritzker disease, is also a Langerhans cell histiocytosis. [1] Dog breeds that may be more at risk for this tumor include Bulldogs, American Pit Bull ...
Dogs suffering from autoimmune diseases of the skin may experience a variety of symptoms, including persistent itching and scratching, lesions, wounds, blisters, and other skin damage, as well as loss of skin pigment. [5] Two cases of autoimmune diseases that are often found include Discoid lupus erythematosus (DLE) and Pemphigus.