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MAMMARY LUMP OR NODULE (DOGS/CATS)

WHAT THIS SYMPTOM USUALLY MEANS

Mammary lumps range from benign cysts to malignant tumors. In unspayed females, risk of cancer increases dramatically with age and heat cycles.

MOST COMMON CAUSES

MILD

• Mammary cyst
• Fatty mass

MEDICAL

• Benign tumor
• Malignant mammary carcinoma
• Hormone-responsive mammary hyperplasia
• Early infection

EMERGENCY

• Rapidly enlarging mass
• Ulcerated mass
• Painful swelling

RED FLAGS

• Hard, fixed nodules
• Multiple lumps
• Bloody discharge
• If unsure, treat it as urgent.

AT-HOME CARE

• Prevent licking
• Monitor size weekly

WHAT A VETERINARIAN WILL CHECK

• Fine-needle aspirate
• X-rays for metastasis
• Ultrasound
• Biopsy

MOST LIKELY DIAGNOSES 

• Benign cyst
• Mammary tumor
• Mastitis
• Hormonal hyperplasia

WHEN TO SCHEDULE

• Today: painful or ulcerated lump
• 1 week: small, non-painful lump

LONGEVITY IMPACT

Early removal of mammary tumors dramatically increases survival.

LONGEVITY CONSULT

Ideal after any mammary mass diagnosis.