Health Information Center

Cancer in Great Pyrenees

This section contains information on canine cancer and those types that have been known to affect the Great Pyrenees. We have listed a vast variety of cancers, though not all have affected the Great Pyrenees. According to the recent health surveys the two types of cancers with high incidence affecting the Great Pyrenees are osteosarcoma and hemangiosarcoma.

Grants and Research

The GPCA encourages all members to participate in the current studies and research being conducted on canine cancer. Get information on GPCA funded and non-funded studies. This information is provided solely for educational purposes. If you suspect your pet may have a type of cancer, we urge you to see your veterinarian as soon as possible.


We would like to thank the doctors of Foster's and Smith, OncoLink, Mar Vista Vet, and Canine Cancer for their permission to link to their sites. These pages will open in a new window, and you can either print or email the article. Please be advised there may be products and/or services with promotional ads on these sites. A link to these sites for informative articles does not constitute an endorsement by the GPCA, its committees, or general membership for goods or services promoted therein.

Overview ArticlePDF file prepared by the GPCA Health Committee
Cancer Terminology & Symptoms
Canine Oncologists Directory

Screening Method
Treatment Decisions

Types of Cancer
Bone Tumors
Lung Cancer
Mammary Cancer
Mast Cell Cancer

Various Tumors
Anal Sac Gland Tumors
Apocrine Gland Tumors
Basal Cell Tumor
Basosquamous Carcinoma
Benign Melanocytic Tumors
Canine Mammary Tumors
Ceruminous Gland Tumors
Hepatoid Gland Tumors
Meibomian Tumors
Papilloma (Papillomatosis)
Papilloma (Papillomatosis)
Sebaceous Gland Tumors
The Skin: An Introduction
Squamous Cell Carcinoma
Subungual Keratoacanthoma
Subungual Squamous Cell Carcinoma
Tumors with Differentiation to Hair Follicular Structures
Tumors of the Nasal Passages in Dogs

Support & More Informative Links
So Your Pet Has Cancer
How the Social Worker can help owners of pets with cancer
The Importance of Veterinary Oncology
Nutritional Requirements of Dogs and Cats with Cancer
Quality of Life Issues: Cancer Treatment in the Companion Animal
Pets with Cancer Lifeline

Non GPCA Funded Grants
The Dog Genome Project at Broad Institute
Winston Canine Cancer Foundation
Morris Animal Foundation – Cancer Study