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Research Articles

Endoscopic diathermy cauterization of piriform fossa sinus tract (PFST)

Authors:

D. M. A. H. Dissanayake ,

Lady Ridgway Children’s Hospital (LRH), LK
About D. M. A. H.
Registrar in ENT
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A. D. K. S. N. Yasawardene,

Lady Ridgway Children’s Hospital (LRH), LK
About A. D. K. S. N.
Consultant ENT and Head & Neck Surgeon
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R. A. Kirihena

Lady Ridgway Children’s Hospital (LRH), LK
About R. A.
Consultant ENT and Head & Neck Surgeon
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Abstract

Introduction

A congenital piriform fossa sinus tract is thought to be caused by a developmental abnormality of the third or fourth pharyngeal arches. This condition is traditionally managed by an open approach, external excision of sinus tract with hemi-thyroidectomy. However, endoscopic cauterization of PFST is now recognized as a minimally invasive definitive first line therapeutic option.

 

Objective

To evaluate the success of endoscopic cauterization of the PFST as a definitive first line therapeutic option.

 

Method

Retrospective analysis was done on medical records of ten patients (aged 1-12y), who were diagnosed with PFST and underwent endoscopic diathermy cauterization of PFST during one-year period (2015/2016) at LRH. Data including demography, presentation, management and response to treatment were analyzed.

 

Results

Median age of our case series was 8.23 years and eight out of ten patients (80%) were males. The most common presentation was recurrent thyroid abscess 60% (6/10) and the side of the disease was left in 90% (9/10). Eight out of ten (80%) patients had complete closure of the PFST after one session of endoscopic diathermy cauterization. Two out of ten (20%) patients had to undergo two sessions. Average follow up period was 17 months.

 

Conclusion

We propose the endoscopic diathermy cauterization as a safe and definitive first line therapeutic option in the management of the PFST.
How to Cite: Dissanayake, D.M.A.H., Yasawardene, A.D.K.S.N. and Kirihena, R.A., 2019. Endoscopic diathermy cauterization of piriform fossa sinus tract (PFST). Ceylon Journal of Otolaryngology, 8(1), pp.10–16. DOI: http://doi.org/10.4038/cjo.v8i1.5277
Published on 28 Dec 2019.
Peer Reviewed

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