SCHNAUZER

Cardiovascular conditions

Patent ductus arteriosus

• Common congenital abnormality
• Miniature Schnauzers predisposed

Pulmonic stenosis

• Miniature Schnauzers are predisposed

Endocardiosis

• Also known as chronic valvular disease
• Miniature Schnauzers predisposed

Sick sinus syndrome

• Miniature Schnauzers predisposed

Dermatological conditions

Atopy (Miniature Schnauzers)

Food hypersensitivity (Miniature Schnauzers)

Superficial suppurative necrolytic dermatitis of Miniature Schnauzers

Seasonal flank alopecia

Schnauzer comedo syndrome

• Affects Miniature Schnauzers

Acquired aurotrichia in Miniature Schnauzers

Papilloma-virus-associated pigmented lesions

• Affects Miniature Schnauzers

Vitiligo

• Miniature Schnauzers account for 40% of cases
• Very rare

Follicular cyst

Epidermal naevi

• Affects young adult Miniature Schnauzers

Drug reactions

Sulphonamides

Gold

Shampoos

Endocrine conditions

Central diabetes insipidus (CDI)

Hypothyroidism (Giant Schnauzers)

Hypothyroidism (Miniature Schnauzers)

• Possible breed predisposition

Diabetes mellitus (Miniature Schnauzers)

• Possible breed predisposition

Primary hypoparathyroidism (Miniature Schnauzers)

• Uncommon condition
• Possible breed predisposition

Gastrointestinal conditions

Congenital idiopathic megaoesophagus (Miniature Schnauzers)

Haemorrhagic gastroenteritis (Miniature Schnauzers)

• Breed predisposition

Vacuolar hepatopathy associated with hyperlipidaemia (Miniature Schnauzers)

Congenital portosystemic shunt (Miniature Schnauzers)

• Breed predisposition

Cholelithiasis (Miniature Schnauzers)

• Breed predisposition

Pancreatitis (Miniature Schnauzers)

• Breed predisposition

Selective malabsorption of cobalamin (vitamin B12) (Giant Schnauzers)

Haematological conditions

Selective malabsorption of cobalamin (vitamin B12) (Giant Schnauzers)

Primary idiopathic hyperlipidaemia (Miniature Schnauzers)

• Familial; suspected to be due to an inherited defect

Musculoskeletal conditions

Myotonia

• Affects Miniature Schnauzers
• Congenital in this breed

Neoplastic conditions

Trichoepithelioma (Miniature Schnauzers)

• Possible breed predisposition

Sebaceous gland tumours (Miniature Schnauzers)

• Possible breed predisposition to nodular sebaceous hyperplasia

Melanoma

• Breed predisposition

Lipoma (Miniature Schnauzers)

• Possible breed predisposition

Canine cutaneous histiocytoma (Miniature Schnauzers)

• Breed predisposition

Melanoma of the digit

• Possible breed predisposition

• Average age 10–11 years

Squamous cell carcinoma of the digit (Giant Schnauzers)

• Possible breed predisposition

Testicular neoplasia (Miniature Schnauzers)

• Believed to be a breed at increased risk

Limbal melanoma

• Possible breed predisposition

Neurological conditions

Narcolepsy-cataplexy (Giant Schnauzers)

Hyperlipidaemia as a cause of seizures (Minature Schnauzers)

• Familial; possibly due to an inherited defect in lipoprotein metabolism

Partial seizures (‘fly-biting’ and ‘star-gazing’ seizures in Miniature Schnauzers)

Ocular conditions

Keratoconjunctivitis sicca

• Breed predisposition

Limbal melanoma

• Possible breed predisposition

Glaucoma (Giant and Miniature Schnauzers)

• Possible breed predisposition

Lens luxation (Miniature Schnauzers)

• Breed predisposition

Congenital hereditary cataract (Miniature Schnauzers)

Cataract 1 (Miniature Schnauzers)

Cataract 2 (Miniature Schnauzers)

• Inheritance suspected

Cataract 3 (Standard Schnauzer)

• Inheritance suspected

Cataract 4 (Giant Schnauzers)

• Inheritance suspected

Multifocal retinal dysplasia (Giant Schnauzers)

• Congenital condition

Generalised progressive retinal atrophy (GPRA) (Giant Schnauzers)

Generalised progressive retinal atrophy (GPRA) (photoreceptor dysplasia) (Miniature Schnauzers)

Micropapilla (Miniature Schnauzers)

• Congenital condition

Optic nerve hypoplasia (Miniature Schnauzers)

• Congenital condition

Renal and urinary conditions

Familial renal disease (renal dysplasia) (Miniature Schnauzers)

Urate urolithiasis (Miniature Schnauzers)

• Higher incidence has been noted in this breed in some surveys

Calcium oxalate urolithiasis (Miniature Schnauzers)

• Higher incidence has been noted in this breed

in some surveys

• Average age at diagnosis is 5–12 years

• Males may be predisposed

Struvite (magnesium ammonium phosphate) urolithiasis (Miniature Schnauzers)

• Higher incidence has been noted in this breed in some surveys

Calcium phosphate urolithiasis (hydroxyapatite and carbonate apatite) (Miniature Schnauzers)

• Higher incidence has been noted in this breed in some surveys

Silica urolithiasis (Miniature Schnauzers)

• Higher incidence has been noted in this breed in some surveys

Reproductive conditions

Cryptorchidism (Miniature Schnauzers)

Believed to be a breed at increased risk

Testicular neoplasia (Miniature Schnauzers)

• Believed to be a breed at increased risk

Male pseudohermaphroditism (Miniature Schnauzers)

• Congenital abnormality reported in this breed