Abstract
Purpose
The usefulness of endoscopic ultrasound (EUS) in pediatric populations has been recently appreciated; however, published studies on mini-probe EUS in the diagnosis of congenital esophageal stenosis (CES) or congenital duodenal stenosis (CDS) in pre-school patients remain scarce. This study aimed to report the utility of mini-probe EUS for the diagnosis of CES or CDS in pre-school patients based on the etiology.
Methods
We retrospectively reviewed the medical records of pediatric patients with CES or CDS who underwent mini-probe EUS through the stenotic segments at our hospital between December 2006 and December 2021.
Results
Five patients with CES and one with CDS were enrolled. The median age and body weight when EUS was performed were 12.5 months and 8.5 kg, respectively. Hypoechoic lesions were observed on EUS in three patients, which were assessed as cartilage; one patient had no hypoechoic lesion but had a focal thickness of the muscular layer. They were diagnosed with tracheobronchial remnants based on EUS. The full circumferential wall thickness of the esophagus was visualized in one patient with fibromuscular hypertrophy. The histopathological findings confirmed the diagnoses. In the patient with CDS, EUS findings revealed pancreatic parenchyma encircling the stenotic part of the duodenum. The preoperative diagnosis was annular pancreas. The patient underwent duodenoduodenostomy, and intraoperative findings confirmed the diagnosis.
Conclusion
Mini-probe EUS can be recommended as a feasible and safe technique for infants and toddlers. It can effectively diagnose CES or CDS based on etiology and can inform treatment strategies for pre-school patients.
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Data availability
The datasets generated and/or analyzed during the current study are not publicly available due to contact with Tokyo Women’s Medical University but are available from the corresponding author on reasonable request.
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Acknowledgements
We would like to thank Editage (http://www.editage.jp) for English language editing.
Funding
No funds, grants, or other means of support were received in relation to the conduct of this study.
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All authors contributed to the conception and design of the study. Material preparation, data collection, and analysis were performed by KY, AM, and CN. Histopathological assessment was performed by AH and TN. The manuscript was written by KY. Supervision was performed by AH and KK. All authors read and approved the final manuscript.
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Kiyoaki Yabe, Aki Matsuoka, Chikako Nakata, Atsuko Hasegawa, Tadao Nakazawa, Akira Horiuchi, and Katsunori Kouchi declare no conflicts of interest.
Ethical approval
All procedures in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the Declaration of Helsinki of 1964 (revised in 2013). This retrospective study was approved by the Ethics Committee of Tokyo Women’s Medical University. The requirement for obtaining written informed consent was waived because of the retrospective nature of the study.
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Yabe, K., Matsuoka, A., Nakata, C. et al. Mini-probe endoscopic ultrasound for the diagnosis of congenital esophageal or duodenal stenosis. J Med Ultrasonics 50, 177–185 (2023). https://doi.org/10.1007/s10396-023-01281-3
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DOI: https://doi.org/10.1007/s10396-023-01281-3