ซาร์โคมาบริเวณตำแหน่งฉีดในแมว

Key Facts

• Incidence: approximately 1 in 10,000 to 1 in 30,000 vaccinations
• Develops weeks to years after injection at the injection site
• Highly locally invasive; wide surgical margins required (3-5 cm)
• High recurrence rate even with aggressive surgery
• Treatment: radical surgery, radiation, and possibly chemotherapy
• Current vaccination guidelines: vaccinate in distal limbs (not between shoulders) to allow amputation if needed
• Any lump at a vaccination site persisting >3 months or growing >2 cm should be biopsied
• Species: cats