PMC5253614_01
Figure 1: X-ray showing a metallic spool at the thoracic inlet (Upper row). CT scan showing metallic spool with one flange in the esophagus and other in trachea (Lower row).
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F1
On chest X-ray a metallic foreign body was found (Fig. 1).
Figure 2: Operative retrieval of sewing machine spool. In the upper part of Figure, one flange of spool has been delivered from opened esophagus, whereas other flange is seen embedded in tracheal wall/lumen.
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F2
On exploration through cervical approach, a spool was found stuck in the cervical part of the esophagus (Fig. 2).