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.

Health Disorders Affecting Great Pyrenees

The Health Committee provides information on disorders that have been reported to us in the GPCA Health Survey. If your dog has a disorder not listed, please download the Health Survey and submit it to our independent tabulator so that we can continue to provide valuable information to Pyrenees owners.


*   Disorders Reported from GPCA Surveys
T   Testing Available
R   Testing Available and Required for CHIC Certification
E   Testing Available and Elective for CHIC Certification
G/R   Grant Research Available

TypeSpecific DisorderInformation
*  Auto-ImmuneAddison’s DiseaseTG/R
Degenerative MyelopathyT
    Blood DisordersGlanzmann’s ThrombastheniaEG/R
*  CancerHemangiosarcomaG/R
Mast Cell TumorsG/R
*  CardiacSubaortic StenosisE
*  HearingCongenital DeafnessE
*  HormoneThyroidEG/R
*  Neurological DisordersNeuronal Degeneration (NDG)TG/R
*  OpthamologyCataractsE
Persistent Pupillary MembraneE
Progressive Retinal Atrophy (PRA)
Canine Multifocal Retinopathy 1
*  OrthopedicElbow DysplasiaE
Hip DysplasiaR
Patellar LuxationR
Osteochondritis Dissecans (OCD)E
*  SkinSebaceous AdenitisT
*  Spinal DiseasesSpondylosis

Pet First Aid

From the American Kennel Club: As a dog owner, there is no higher priority than ensuring your dog’s health and happiness. Get the best health advice from our experts for every stage of a dog’s life, from puppy to senior.

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