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Figures
Fig. 1
Common ED supplies needed to perform the technique to diagnose parotid duct injury: specimen cup, 10 mL syringe, 0000 lacrimal probe, 22 g angiocath, Wood's lamp, fluorescein strip.
Fig. 2
Massive right cheek soft tissue trauma from a gunshot wound. Fluorescence is seen in the wound bed demonstrating injury to the parotid duct.
Deep penetrating facial soft tissue trauma can potentially involve the parotid duct. This injury requires a high degree of suspicion as it is not readily evident on physical examination, although buccal branch injury may accompany it. Unrecognized parotid duct injury could lead to sialocele, salivary fistula, parotitis, wound dehiscence, or abscess [1]. There are multiple methods of detecting parotid duct injury at the bedside. The most frequently utilized method is cannulation of the papilla with identification of the cannulating object in the wound [2].
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