Mycobacterium lepraemurium

Feline leprosy

• Caused by M. lepraemurium
• Sporadic infections of cats via bites from infected rodents
• Subcutaneous nodules form usually on the head or limbs and can ulcerate
• Smears reveal Ziehl-Neelson-positive rods
• Diagnosis by histopathology
• Treatment includes excision of lesions