If the cancer is a type of sarcoma called rhabdomyosarcoma, one sign may be a lump or a swelling in the leg muscles, according to the American Cancer Society. The lump may be red or tender and may even appear to be an injury, according to MedlinePlus. This cancer is more common in children.
Basel cell carcinomas, which typically manifest as raised or flat red patches that contain abnormal blood vessels, can occur anywhere on the body, including the legs, the American Cancer Society explains. Melanomas often look like moles, but they typically have jagged or asymmetrical edges.
Leg pain is one of the symptoms of bone cancer, according to Mayo Clinic. Injuries to bones, muscles, tendons or ligaments cause most cases of leg pain, but back problems, circulation issues, arthritis, blood clots and fibromyalgia are some other common causes.
Commonly, patients with bone cancer in the leg feel pain, according to the American Cancer Society. At first, the pain may be intermittent, but as the cancer progresses, the pain becomes constant. Pain is common at night and during physical activity.
The most common cause of a dog's back legs giving out is a herniated or ruptured intervertebral disc, according to the College of Veterinary Medicine at University of Missouri. A condition known as degenerative myelopathy, a slow, progressive disorder that affects the spine in older dogs, also cause
The causes of skin growths in dogs range from mild to serious conditions. Smooth, round, hairless, fluid-filled nodules are sweat gland cysts. These are common and often removed surgically.
Images of skin cancer on legs can be found on the American Cancer Society's website. The site provides a gallery of skin cancer images noting the placement of each type of cancer and where it typically appears on the body.
A leg rash may transform into certain types of cancer, primarily skin cancer, and may indicate presence of other cancers, such as ovarian cancer, or signal other underlying illnesses, according to the American Academy of Dermatology. Some cancers, such as squamous cell skin cancer, present as rashes
Stabilize the dog's leg as soon as possible using a board wrapped in a towel or another long, rigid object with protection against abrasive surfaces if you believe the leg is fractured. Then take the dog to the veterinarian for treatment as quickly as possible, according to M. Christine Zink of Dumm
Common symptoms of oral cancer in dogs include excessive drooling, bad breath and difficulty eating. Bleeding from the mouth, weight loss and loose teeth are other common symptoms.