What Are Skin Tumors in Dogs: Types of Skin Cancer and their Symptoms?

What Are Skin Tumors in Dogs: Types of Skin Cancer and their Symptoms?

July 27, 2011 | Dog Diseases | Leave a Comment |

Tumors are abnormal growth on tissues. When found on dogs, it is important to have them checked by a veterinarian particularly if the tumor is accompanied by bleeding, rapidly growing, or oozing. Many of the skin masses are benign. But some can be malignant and must be taken seriously.

  • There are many factors that can trigger skin tumors in dogs. These can be:
    • Infections caused by virus, bacteria, and fungus.
    • Cancer like neoplasia
    • A simple case of fat accumulation
    • Some forms of skin tumors are:
      • Abscesses
      • Skin tags
      • Hematomas
      • Blisters
      • Lick granulomas
      • Pustules
      • Pimples
      • Hives

Skin Tumors In Dogs Symptoms

Skin tumors are the most common tumors found in dogs.

The good thing is that most of these lumps and bumps are benign. Some skin tumors in dog symptoms vary according to their types. However, the common includes:

  • Firm nodules or filled with fluids like that of abscesses. They vary in sizes and shapes. If it is triggered by an infection, the signs may include fever, loss of appetite, depression.
  • Acral lick dermatitis may have red and hairless tumor.
  • A cyst on the apcrine sweat gland is single, smooth, and round nodules without hair. It may appear bluish and filled with liquid. It is common on the head, limbs, and neck.
  • Basal cell tumors are also single. They are filled with fluid too, and which may ulcerate. They are found on the head, neck, and chest.
  • Chiggers or harvest mites are very itchy. The bumps are found commonly on the abdomen and feet. They also fold at the base of the ears.

Types Of Skin Tumors In Dogs

Most skin lumps and bumps are papillomas, which are warts; lipomas, which are fatty tumors and are very common in dogs; and sebaceous gland adenomas.

  • The most common skin and subcutaneous tumors in dogs are:
    • The tumors, which are epithelial in origin. These include:
  • Papilloma. Papilloma is a benign tumor that emerges from mucus membranes, skin, ducts related to glands, and conjunctiva of the eyes.
  • squamous cell carcinoma
  • intracutaneous cornifying epithelioma
  • basal cell tumors or carcinoma
  • hair follicle tumors
  • sebaceous gland tumors
  • ceruminous gland tumors
  • hepatoid gland tumors
  • sweat glands tumors
  • anal sac tumors
    • Tumors, which are mesenchymal in origin. This include:
      • Soft-tissue sarcomas
    • Round cell tumors. These are:
      • Transmissible venereal tumor
      • Mast cell tumor
      • Plasmacytoma
      • Histiocytoma
      • Lymphoma
    • Melanocytic tumors. This include:
      • Melanoma

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