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Comparison of Abdominal Ultrasonographic Findings With Endoscopic Ultrasonographic Findings of Solid Pseudopapillary Neoplasms of the Pancreas

 Woo Sang Jung  ;  Jai Keun Kim  ;  Jeong-Sik Yu  ;  Joo Hee Kim  ;  Eun-Suk Cho  ;  Jae-Joon Chung 
 ULTRASOUND QUARTERLY, Vol.30(3) : 173-178, 2014 
Journal Title
Issue Date
Abdomen/diagnostic imaging* ; Adolescent ; Adult ; Endosonography/methods* ; Female ; Humans ; Image Processing, Computer-Assisted/methods ; Male ; Middle Aged ; Pancreas/diagnostic imaging* ; Pancreatic Neoplasms/diagnostic imaging* ; Reproducibility of Results ; Retrospective Studies ; Sensitivity and Specificity ; Young Adult
pancreatic neoplasms ; solid pseudopapillary neoplasm of the pancreas ; abdominal ultrasonography ; endoscopic ultrasonography
To compare abdominal ultrasonographic (AU) findings with endoscopic ultrasonographic (EUS) findings of solid pseudopapillary neoplasm (SPN) of the pancreas, 13 patients (male-to-female ratio, 3:10; mean age, 36 years) with surgically proven SPN who underwent both preoperative AU and EUS were included in the study. Ultrasonographic findings of the 2 modalities were compared according to internal echogenicity, calcification, demarcation, internal septum, and main pancreatic duct dilatation. Nine cases showed hypoechogenicity on both AU and EUS. The remaining 4 cases showed different echogenicity on both modalities as follows: hypoechogenicity (n = 2) and isoechogenicity (n = 2) on AU; and hyperechogenicity (n = 1), poor visualization of internal architecture due to dense rim calcification (n = 2), and isoechogenicity (n = 1) on EUS. In 2 cases with dense rim calcification, evaluation of the internal contents was more difficult on EUS compared with AU. In addition, central punctate calcifications of 2 cases were well visualized on both AU and EUS, but the 1 case of peripheral calcification was only seen on EUS. All cases showed good demarcation without main pancreatic ductal dilatation or internal septa. Endoscopic ultrasonography was superior to AU for the evaluation of internal echogenicity of pancreatic SPN; however, AU was superior at evaluating larger tumors and tumors with dense rim calcification.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Joo Hee(김주희) ORCID logo https://orcid.org/0000-0001-5383-3602
Yu, Jeong Sik(유정식) ORCID logo https://orcid.org/0000-0002-8171-5838
Chung, Jae Joon(정재준) ORCID logo https://orcid.org/0000-0002-7447-1193
Cho, Eun Suk(조은석)
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