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CC BY 4.0 · Endoscopy 2025; 57(S 01): E1003-E1005
DOI: 10.1055/a-2651-9571
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Fistulography-assisted endoscopic ultrasound-guided pancreatic drainage for cannulation of a non-dilated pancreatic duct in postoperative pancreaticocutaneous fistula

Authors

  • Juan Alfonso M. Mendoza 

    1   Division of Endoscopy, Department of Integrated Diagnostics and Therapeutics, National Taiwan University Hospital, Taipei, Taiwan (Ringgold ID: RIN38006)
    2   Department of Surgery, Bicol Medical Center, Naga City, Philippines (Ringgold ID: RIN604409)
    3   Section of Surgical Endoscopy and Minimally Invasive Surgery, Department of Surgery, Rizal Medical Center, Pasig City, Philippines (Ringgold ID: RIN504608)

  • Yu-Ting Kuo 

    1   Division of Endoscopy, Department of Integrated Diagnostics and Therapeutics, National Taiwan University Hospital, Taipei, Taiwan (Ringgold ID: RIN38006)
    4   Department of Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan

  • Jirat Jiratham-Opas

    5   Department of Surgery, Hatyai Surgical Endoscopic Center, Hatyai Hospital, Songkhla, Thailand (Ringgold ID: RIN37700)

  • Chen-Ling Peng

    1   Division of Endoscopy, Department of Integrated Diagnostics and Therapeutics, National Taiwan University Hospital, Taipei, Taiwan (Ringgold ID: RIN38006)

  • Thawee Ratanachu-Ek

    6   Department of Surgery, Rajavithi Hospital College of Medicine, Rangsit University, Bangkok, Thailand

  • Hsiu-Po Wang

    4   Department of Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
    7   Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan (Ringgold ID: RIN38005)
Clinical Trial: Registration number (trial ID): , Trial registry:, Type of Study:
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Postoperative pancreatic fistula (POPF) is a serious and potentially life-threatening complication following pancreatic resection, often necessitating advanced endoscopic interventions. Endoscopic ultrasound (EUS)-guided transmural drainage and EUS-guided pancreatic drainage (EUS-PD) are established modalities for refractory POPF; however, cannulation of a narrow or nondilated pancreatic duct remains technically challenging. We present a case where fistulography was utilized to facilitate successful EUS-PD in a nondilated duct.

A 61-year-old woman with a history of central pancreatectomy for a neuroendocrine tumor presented with pancreatic juice leakage through the abdominal wall. Computed tomography revealed a fluid collection at the surgical site and a fistulous tract extending through the abdominal wall to the skin surface ([Fig. 1]). Initial endoscopic retrograde pancreatic drainage (ERPD) failed due to severe angulation of the main pancreatic duct (MPD), allowing only a short plastic stent placement in the proximal duct ([Fig. 2]).

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Fig. 1 Computed tomography scan showing fluid collection at the surgical site with a tract extending to the abdominal wall (red arrow).
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Fig. 2 Acute angulation of the main pancreatic duct as seen on fluoroscopy during endoscopic retrograde pancreatic drainage. A plastic stent (5 Fr in diameter; 4 cm in length; Advanix Pancreatic Stent; Boston Scientific, Marlborough, Massachusetts, USA) was placed at the proximal pancreatic duct.

EUS-PD was attempted by puncturing the MPD at the body, but the guidewire could not be advanced toward the head. A second puncture at the tail was also unsuccessful due to the nondilated MPD and the patient’s rapid respiration ([Fig. 3] a). To enhance ductal visualization, contrast was injected through the external fistula opening (fistulography), clearly delineating the MPD trajectory ([Fig. 3] b, [Video 1]).

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Fig. 3 a Nondilated pancreatic duct on endoscopic ultrasound 1.2 mm in diameter. b Fistulography showing contrast extravasation, but the main pancreatic duct is now well-delineated (red arrow).
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Fistulography demonstrated contrast extravasation with clear delineation of the main pancreatic duct, facilitating successful duct puncture and subsequent drainage.Video 1

Following successful duct puncture, advancement of the mechanical dilator was initially impeded by ductal angulation. Abdominal compression was applied to straighten the MPD, allowing mechanical and balloon dilation of the tract. Subsequently, a 7-Fr × 14-cm pancreaticogastrostomy stent was successfully placed ([Fig. 4]). The pancreatic leakage progressively improved and ultimately resolved. Follow-up imaging at six months confirmed complete resolution of the fluid collection ([Fig. 5]).

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Fig. 4 Successful placement of plastic stent (7 Fr in diameter; 14 cm in length; Through & Pass Type IT; Gadelius Medical, Tokyo, Japan).
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Fig. 5 Absence of fluid collection and fistulous tract as seen on the computed tomography scan 6 months after the initial procedure.

Similar strategies utilizing adjunctive techniques to improve duct access during EUS-PD, such as balloon-assisted rendezvous, have been previously described [1]. Fistulography-assisted EUS-PD represents a promising alternative, particularly when ERPD fails [2] [3]. Enhancing duct visualization with contrast injection facilitates successful cannulation and stent placement in challenging cases.

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Conflict of Interest

The authors declare that they have no conflict of interest.


Correspondence

Yu-Ting Kuo, MD, MSc
Division of Endoscopy, Department of Integrated Diagnostics and Therapeutics, National Taiwan University Hospital
No. 7, Chung-Shan South Road
100 Taipei
Taiwan   

Publication History

Article published online:
04 September 2025

© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).

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  Permissions and Reprints
Zoom
Fig. 1 Computed tomography scan showing fluid collection at the surgical site with a tract extending to the abdominal wall (red arrow).
Zoom
Fig. 2 Acute angulation of the main pancreatic duct as seen on fluoroscopy during endoscopic retrograde pancreatic drainage. A plastic stent (5 Fr in diameter; 4 cm in length; Advanix Pancreatic Stent; Boston Scientific, Marlborough, Massachusetts, USA) was placed at the proximal pancreatic duct.
Zoom
Fig. 3 a Nondilated pancreatic duct on endoscopic ultrasound 1.2 mm in diameter. b Fistulography showing contrast extravasation, but the main pancreatic duct is now well-delineated (red arrow).
Zoom
Fig. 4 Successful placement of plastic stent (7 Fr in diameter; 14 cm in length; Through & Pass Type IT; Gadelius Medical, Tokyo, Japan).
Zoom
Fig. 5 Absence of fluid collection and fistulous tract as seen on the computed tomography scan 6 months after the initial procedure.