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Skin cancer, or neoplasia, is the most common type of cancer diagnosed in horses, accounting for 45 [1] to 80% [2] of all cancers diagnosed. Sarcoids are the most common type of skin neoplasm and are the most common type of cancer overall in horses. Squamous-cell carcinoma is the second-most prevalent skin cancer, followed by melanoma. [3]
Mud fever, also known as scratches or pastern dermatitis, is a group of diseases of horses causing irritation and dermatitis in the lower limbs of horses. Often caused by a mixture of bacteria, typically Dermatophilus congolensis and Staphylococcus spp., mud fever can also be caused by fungal organisms ( dermatophytes ).
An equine melanoma is a tumor that results from the abnormal growth of melanocytes in horses. Unlike in humans, melanomas in horses are not thought to be caused by exposure to ultraviolet light. [1] Melanomas are the third most common type of skin cancer in horses, with sarcoids being the first most prevalent and squamous-cell carcinoma being ...
Horses are usually affected on the back, head, and neck where insects commonly bite, and the legs, which are commonly infected if the horse is kept in moist footing. [3] Initially, the horse will display a matted coat and bumps which will progress to crusty scabs and lesions. [4] The animal may also be pruritic and display signs of discomfort.
Phototoxicity, also called photoirritation, is a chemically induced skin irritation, requiring light, that does not involve the immune system. [1] It is a type of photosensitivity. [1] [2] The skin response resembles an exaggerated sunburn.
The majority of affected horses show skin lesions affecting the mane and tail and dorsal midline. Ventral midline symptoms may also occur. Lesions around the ears and head are also common. These lesions are characterised by intense pruritus (itching), which results in rubbing and considerable self-trauma. This damage is caused by the horse ...
Woman who woke up itching all over her body was diagnosed with pancreatic cancer. Find out why itchy skin can be a symptom of the disease. Woman woke up itching all over her body.
In horses, subcutaneous pythiosis is the most common form and infection occurs through a wound while standing in water containing the pathogen. [2] The disease is also known as leeches, swamp cancer, and bursatti. Lesions are most commonly found on the lower limbs, abdomen, chest, and genitals.