- Amyloidosis
A disorder characterized by the deposit of an amorphous substance called amyloid in various organs, which later impedes organ functions.
- Atresia of the Lacrimal Ducts
Occurs when the lacrimal ducts are absent at birth.
- Cerebellar Hypoplasia
Under-development of the cerebellum resulting in ataxia (lack of balance) and hypermetria (exaggerated movements).
- Collie Eye Anomaly
A series of retinal lesions that can cause blindness. Affects Collies and related breeds.
- Color Mutant Alopecia
Refers to a loss of hair that only affects certain colored regions of the body.
- Corneal Dystrophy
Refers to a nutritional problem in the cornea.
- Cortical Renal Hypoplasia
A defect in the formation of the outer layer of the kidney, causing polydipsia and polyuria (the dog drinks and eats too much).
- Craniomandibular Osteopathy
A bone disease characterized by irregular proliferation of the mandible and tympanic bulla bones. This disease causes discomfort when eating, as well as intermittent fever. Sometimes corrects itself spontaneously.
- Cryptorchidism
Failure of the testes to descend into the scrotum.
- Cushing's Disease
A malfunction of the adrenal glands which causes in particular, hair loss and obesity. May be linked to a malfunction of the adrenal glands themselves, or to injections of anti-inflammatory steroids (cortisone).
- Degenerative Myelopathy
A spinal cord disorder causing degeneration of the spinal cord, which later results in nerve and locomotive disorders.
- Distichiasis
The abnormal presence of two complete rows of eyelashes (or a few extra eyelashes).
- Ectropion
An eversion of the eyelid.
- Ectopic Ureter
Occurs when the ureter, the duct linking the kidney to the bladder, is in an abnormal position.
- Ehlers Danlos Syndrome
A disorder of the sub-cutaneous connective tissues. The skin becomes fragile and is accompanied by an over-elasticity of the ligaments.
- Entropion
An inversion of the eyelid.
- Fallot's Tetralogy
A complex cardiac malformation characterized by a defect in the ventricular septum, pulmonary stenosis, misalignment of the aorta and hypertrophy of the right ventricle.
- Glaucoma
An increase in intraocular pressure. May result in blindness.
- Hemophilia A
A blood disease characterized by prolonged bleeding and spontaneous hemorrhages.
- Hereditary Polyneuropathy
Nerve disorder that causes lameness and progressive muscular weakness.
- Hydrocephalia
A buildup of fluids in the cerebral ventricles.
- Hypoplastic Trachea
Abnormal development of the trachea resulting in chronic cough, dyspnea and inability to tolerate exercise.
- Hypospadias
Abnormal placement of the urethra on the penis.
- Hypothyroidism
Insufficient secretion of thyroid hormones.
- Legg-Calvé-Perthes Disease or Aseptic Necrosis of the Femoral Head
Frequent abnormality in small breeds resulting in lameness and destruction of the femoral head.
- Lethal Acrodermatitis
Refers to puppies with a lighter coat at birth, growth problems, difficulty in chewing and swallowing, digits that spread, skin infections, otitis, diarrhea, nasal discharge, etc. It is generally fatal.
- Lipofuscinosis
A buildup of pigments called lipofuscins in the nervous system, which can cause behavioral problems.
- Mastocytoma
A tumor of the skin and blood cells (mast cells). Several degrees of malignancy are recognized.
- Megaesophagus
An esophagus abnormality resulting in difficulty in swallowing and false passage.
- Microphthalmia
The abnormal development of the eyes (too small).
- MyastheniaGravis
Muscle degeneration causing muscular weakness.
- Odontoid Process Hypoplasia
A vertebral malformation, which can cause various symptoms ranging from pain to quadriplegia.
- Pancreatic Insufficiency
An abnormality in pancreatic secretion resulting in weight loss and marlaceous stools.
- Pemphigus Foliaceus
An immune system disease causing essentially cutaneous symptoms (hair loss, lesions on the footpads, etc...).
- Persistent Ductos Arterios
The incomplete closure of an artery between the aorta and the pulmonary artery.
- Persistent Hyperplastic Primary Portosystemic Shunt
A developmental abnormality in certain primary hepatic veins, which may cause nervous signs through blood "poisoning".
- Persistent Pupillary Membrane
A congenital defect consisting in the persistence of a fetal membrane originating in the iris. It is characterized by the existence of thin membranes connecting the iris to the cornea and the iris to the crystalline lens. The results are opacity at both levels.
- Progressive Retinal Atrophy
A degeneration of night vision, followed by day vision and progressing into complete blindness. Dilated pupils, atrophy of the retinal vessels. Several distinct types of retinal atrophy are recognized. This term indicates the degeneration of various types of photoreceptors in the retina.
- Prolapsed Intervertebral Disc
A prolapse of the intervertebral discs resulting in the compression of the spinal cord, followed by paresis, then paralysis.
- Pulmonary Stenosis
A narrowing of the pulmonary artery at its point of origin.
- Renal Hypoplasia
Under-development of the kidneys (too small).
- Retinal Dysplasia
A congenital defect of the retina characterized by abnormal differentiation and proliferation of certain layers of the retina.
- Ventricular Septal Defect
A defect in the septum between the two cardiac ventricles.
- Vitreous
A congenital abnormality caused by the persistence of the primary vitreous, which takes the form of an opaque mass on the posterior side of the crystalline lens.
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