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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Intratracheal myiasis followed by tracheal-esophageal fistula: report of a rare case and literature review

Fig. 1

a, b A hyperdense mass involving the trachea (black arrow) and blurred fat space around the oesophagus and trachea (white arrow). c The first fibre-optic bronchoscopy showed a larval burrow with live larvae (black arrow) in the lower trachea, and tracheal stenosis. d The tracheostenosis was resolved by using electrocautery to burn the larvae, and making linear and circular incisions into the larval burrow. e The larvae were removed using cryotherapy and forceps, and the basal granulation was cleared. f The second fibre-optic bronchoscopy revealed granulation and necrosis covering the trachea, with no burrow or live larvae. The tracheal stenosis had improved. g, h The third fibre-optic bronchoscopy showed a tracheal-oesophageal fistula in the lower trachea (white arrow), and the indwelling gastric tube under the fistula (white arrow). i Follow-up gastroscopy performed 12 months after the procedure showed incomplete healing, with the tracheal-oesophageal fistula covering the stent

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