Skin Tumor (Histiocytoma) in Cats
Histiocytoma in Cats
The Langerhans cells are immune cells that function to provide protective immunity to the tissues that are in contact with the outer environment -- the nose, stomach, intestines and lungs, but mainly the skin's surface. These cells are also referred to as dendritic cells, and histiocytes. A histiocytoma is a benign skin tumor that originates in the Langerhans cells.
Histiocytomas are rare in cats, but its occurrence is not limited by breed, age or gender.
You will need to give a thorough history of your cat's health and onset of symptoms, after which your veterinarian will perform a thorough physical exam. A complete blood profile will be conducted, including a chemical blood profile, a complete blood count, a urinalysis and an electrolyte panel. Most of these tests return as normal.
Other diagnostic tests include a cytologic examination (a microscopic examination of the cells) using a sample gathered by fine-needle aspirate. This may reveal pleomorphic round cells (cells taking one or more forms), with variable-sized and -shaped nuclei. It is common to find that the mitotic index (a measure of the proliferation, or fast production status of a cell population) is high. The tests may also show evidence of substantial lymphocyte (white blood cell in the vertebrate immune system), plasma cell, and neutrophil (the most abundant type of white blood cells) infiltration.
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a) inhaling b) getting out fluid or gas by the act of sucking.
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