Retained surgical swab following thyroidectomy

Case contributed by Dr James Halls

Presentation

Patient underwent elective thyroidectomy. Post-operative 'swab count' suggested one missing swab. An intraoperative screening fluoroscopic study performed at the time was unable to visualise the swab and a therefore a plain radiograph of the neck performed.

The coiled/bunched linear metallic density lying to the right of the midline at the C5/6 level represents a retained surgical swab.

Also note the percutaneous thyroidectomy drain.

Case Discussion

X-ray imaging to identify a retained surgical swab is often performed when the post-operative 'swab-count' suggests a discrepancy between the number of swabs used during the operation and the number present at the final count.

Surgical swabs have a thin length of metallic material running along one edge. It is important that clinicians and radiologists reviewing such films are aware of the appearance of a retained swab - as they are often packed into surgical sites, the metallic strip typically adopts a scrunched/bunched appearance rather than the straight linear density one might otherwise have expected.

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Case information

rID: 54350
Case created: 5th Jul 2017
Last edited: 7th Jul 2017
System: Head & Neck
Inclusion in quiz mode: Included

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