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Prerequisites before PET/CT• Fasting – 4-6 h• No strenuous exercise 24 h before PET• Check blood glucose ( >200 ?)• After FDG injection, rest in bed !• P’t should void before scanning• Remove any metallic objects• Make P’t comfortable under the scanner
Modifications to Avoid Pitfalls• Neck collar• Keep quiet• Keep warm• Massage salivary glands• Anti-tussives• Benzodiazepines (Valium)• NSAIDs , Antibiotics• Tongue depressor/mold• Visual interpretation rather than SUV
NSAIDs(Hypopharyngeal ca post total laryngectomy)
Mapping of the Tumor & Interpretation of PET/CT by Head & Neck Surgeons Is Absolutely Necessary !!
Take Home Message:1. Proper P’t Preparation before PET/CT2. Common Pitfalls in Your Mind Thank You !• Dr. KEN-LIAO LIU• Otolaryngology Head & Neck Surgery , KTGH , Taichung, Taiwan• 光田綜合醫院 耳鼻喉頭頸科 劉耿僚 醫師