Fig. 1
From: Imaging foreign bodies in head and neck trauma: a pictorial review
Wooden stick. Axial CT image in soft tissue window (a) shows phlegmonous fat stranding in the left buccal region, surrounding multiple hypodense features (arrows), giving the impression of emphysema. Closer inspection of the lung windows (b) reveals that one of the hypodense structures has a discernible internal structure (dashed arrow), distinguishing it from the homogenously hypodense gas locules (arrowheads). Three pieces of a wooden stick were surgically removed (c)