PET/CT scan has been increasingly used in oncology.Physiological uptake may happen n soft tissues of neck such as muscles, fat, tonsils, lateral pharyngeal recess and salivary glands.

• 正子断层摄影应用于肿瘤学日益增加，生理性显影发生在颈部肌肉、脂肪、扁桃腺、侧咽窝或唾液腺等软组织。