Please use this identifier to cite or link to this item: https://doi.org/10.1002/hed.21474
Title: Pharyngoesophageal diverticulum resembling a thyroid nodule on ultrasound
Authors: Singaporewalla, R.M.
Mukherjee, J.J.
Thamboo, T.P. 
Cheah, W.K. 
Keywords: cytology
neck ultrasound
needle biopsy
pharyngoesophageal diverticulum
thyroid nodule
Issue Date: Dec-2011
Citation: Singaporewalla, R.M., Mukherjee, J.J., Thamboo, T.P., Cheah, W.K. (2011-12). Pharyngoesophageal diverticulum resembling a thyroid nodule on ultrasound. Head and Neck 33 (12) : 1800-1803. ScholarBank@NUS Repository. https://doi.org/10.1002/hed.21474
Abstract: Background Ultrasound is routinely used in evaluating thyroid nodules and performing fine-needle aspiration cytology (FNAC). Occasionally, nonthyroidal lesions can mimic thyroid nodules on imaging and get wrongly aspirated. Methods A 63-year-old woman was reported to have an incidental left thyroid "nodule" on neck ultrasound scan. It was isoechoic with a surrounding hypoechoic rim and contained tiny foci of echogenicity. Similar findings were noted in a second surgeon-performed ultrasound scan. Results An ultrasound-guided FNAC showed abundant squamous cells, bacteria, and vegetable cells with no evidence of thyroid cells or colloid. The suspicion of a pharyngoesophageal diverticulum was confirmed on barium swallow. She remained asymptomatic with no increase in size at 6 months follow-up. Conclusion A pharyngoesophageal diverticulum can be mistaken for a posteriorly placed "thyroid nodule" on ultrasound scan if the subtle differentiating signs are missed. An awareness of this condition is important to avoid unnecessary needle biopsies. © 2010 Wiley Periodicals, Inc.
Source Title: Head and Neck
URI: http://scholarbank.nus.edu.sg/handle/10635/127063
ISSN: 10433074
DOI: 10.1002/hed.21474
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