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Year : 2018  |  Volume : 7  |  Issue : 2  |  Page : 119-127

Ultrasound imaging features of isolated pancreatic tuberculosis

1 Department of Ultrasound, Zhongshan Hospital, Fudan University, 200032 Shanghai, China
2 Department of Hepatology and Gastroenterology, Charite University, 10117 Berlin, Germany
3 Institute of Digestive and Hepatobiliary Sciences, Medanta-The Medicity, Gurgaon, Haryana, India
4 Department of Radiology, G.B. Rossi University Hospital, University of Verona, Verona, Italy
5 Medical Department, Helios Klinikum Meiningen, Germany
6 Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Trust, Oxford, UK
7 Department of Gastroenterology, Jaswant Rai Speciality Hospital, Meerut, India
8 Medical Department, Caritas-Krankenhaus, Germany; Sino-German Research Center of Ultrasound in Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China, Germany

Correspondence Address:
Christoph F Dietrich
Med. Klinik 2, Caritas-Krankenhaus Bad Mergentheim, Uhlandstr. 7, 97980 Bad Mergentheim
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2303-9027.210901

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Background and Objectives: Isolated pancreatic tuberculosis (PTB) is extremely rare worldwide. The purpose of this multicenter retrospective study is to analyze imaging features of histologically confirmed isolated PTB in order to determine the diagnostic features of the new methods contrast enhanced ultrasound (CEUS), ultrasound elastography and contrast enhanced endoscopic ultrasound (CE-EUS). Patients and Methods: We report on a retrospective data collection of 12 cases of PTB confirmed by histology or cytology. All examinations were interpreted by two independent readers in consensus. CEUS, CE-EUS and ultrasound elastography were performed according to the European Federation of Societies for Ultrasound in Medicine and Biology guidelines. Results: In PTB patients the common bile duct was never dilated. Multiple retroperitoneal lymph nodes are the second important B-mode ultrasound feature detected in 75% of PTB patients. CE-EUS was performed in three PTB patients demonstrating hyperenhancement. On elastography, all PTB lesions were markedly stiffer than surrounding pancreatic parenchyma. Conclusions: Here we report the first time on CEUS and elastography features of PTB. PTB had some typical imaging features with iso- or hyperenhancement on CE(E) US. PTB is markedly stiffer on elastography. If clinicians are aware of clinical features of PTB and conduct appropriate investigations with multiple modalities including B-mode ultrasound, CEUS, and EUS guided fine needle aspiration, diagnosis of PTB without laparotomy is possible and the disease can be effectively treated with anti-tuberculous drugs.

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