Cancer by Tumour Type

Browse cancers grouped by the type of cell or tissue involved.

Mast Cell

  • Mast Cell Tumours — The most common skin tumour in dogs — behaviour ranges from benign to highly aggressive depending on grade.

Round Cell

  • Lymphoma — A cancer of lymphocytes; multiple anatomic forms (multicentric, alimentary, mediastinal, cutaneous).
  • Melanoma — Pigment-cell tumours; oral and nail-bed forms are usually malignant, cutaneous forms often benign.

Sarcoma

  • Hemangiosarcoma — An aggressive cancer of blood vessel lining cells, most often affecting the spleen, heart, or skin.
  • Sarcomas (Soft Tissue & Bone) — A family of connective-tissue cancers including soft tissue sarcomas, osteosarcoma, and hemangiosarcoma.

Carcinoma

  • Carcinomas — Cancers of epithelial (lining) tissue — includes squamous cell, transitional cell, and adenocarcinoma.

Benign

  • Benign Tumours & Growths — Lipomas, sebaceous adenomas, histiocytomas, and other benign lumps commonly found in older dogs.