Current status and problems of abdominal ultrasonographic screening for pancreatic and biliary diseases in Health Care Center Tomishiro Central Hospital

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  • TAMURA Jiro
    Health Care Center Tomishiro Central Hospital
  • ASATO Kenji
    Health Care Center Tomishiro Central Hospital
  • HOKAMA Akira
    Department of Endoscopy, University of the Ryukyus Hospital
  • NAKAMURA Ken
    Health Care Center Tomishiro Central Hospital
  • KINJO Tetsu
    Department of Endoscopy, University of the Ryukyus Hospital
  • HIRATA Tetsuo
    Health Information Management Center, University of the Ryukyus Hospital
  • FUJITA Jiro
    Department of Infectious, Respiratory, and Digestive Medicine, Graduate School of Medicine, University of the Ryukyus

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Other Title
  • 当センターにおける膵・胆道疾患の腹部超音波検診の現状と課題
  • 経験 当センターにおける膵・胆道疾患の腹部超音波検診の現状と課題
  • ケイケン トウ センター ニ オケル スイ ・ タンドウ シッカン ノ フクブ チョウオンパ ケンシン ノ ゲンジョウ ト カダイ

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Abstract

Although abdominal ultrasonography has been recognized as a standard screening test for pancreatic and biliary diseases, there have been few reports concerning its efficacy. We have investigated the results of pancreatic and biliary diseases for abdominal ultrasonography performed at Health Care Center Tomishiro Central Hospital in 2016. The number of all individuals who underwent abdominal ultrasonography was 17,248. The incomplete visualization rates of the pancreas were 55.1% in men and 12.1% in women. With respect to obesity grade, the incomplete visualization rates of the pancreas for subjects with thin body frames, standard physical status, and obesity were 16.3%, 43.6%, and 70.0% in men and 1.4%, 7.4%, and 27.8% in women, respectively. The entire or partial pancreas was not visualized in 33.0% of all the individuals, 55.1% in men and 12.1% in women. With respect to obesity grade, the entire or partial pancreas was not visualized in 3.3% of thin subjects, 23.0% of subjects with standard physical status, and 54.3% of obese subjects. Abdominal pancreatic and biliary findings were detected in 1.1% and 28.1% of all the subjects, respectively. The frequent findings were as follows: pancreatic cyst (0.61%), dilated pancreatic duct (0.27%), and pancreatic tumor (0.19%) in the pancreas and gallbladder polyp (18.7%), gallstone (3.9%), and gallbladder adenomyomatosis (3.6%) in the biliary tract. The recall rate was 0.44% in the pancreas and 0.35% in the biliary tract. The percentage of examinees who underwent a detailed examination was 76%. The cancer detection rates of the pancreas and biliary tract were 0.012% and 0%, respectively. It is difficult to visualize the pancreas in men with standard physical status and obesity and in women with obesity. Therefore, we need to improve the examination and inspection method such as the addition of drinking water.

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