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Duodenal Obstruction on 99mTc-DISIDA Cholescintigraphy: A Noninvasive Approach to Bowel Obstruction Diagnosis.
J Nucl Med Technol
December 2016
Department of Nuclear Medicine and Molecular Imaging, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; and.
We present a case study of a 56-y-old man who was admitted with acute abdominal pain and was found to have retroperitoneal hematoma from a ruptured duodenal aneurysm. Tc-diisopropyliminodiacetic acid cholescintigraphy showed incidental absent transit of radiotracer into the distal duodenum and severe enterogastric reflux, thought to be secondary to duodenal obstruction from the hematoma. Findings were confirmed on esophagogastroduodenoscopy, and the patient improved after subsequent gastrojejunostomy.
View Article and Find Full Text PDFInfluence of Roux-en-Y Gastric Bypass on the Hepatocellular Function and Bile Flow of Obese Patients Assessed by Scintigraphy with DISIDA.
Obes Surg
November 2016
Nutritional Division of the Department of Medical Clinic, Clinical Hospital, Faculty of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
Background: Obesity is associated with nonalcoholic fatty liver disease (NAFLD), which is improved by bariatric surgery. Hepatobiliary scintigraphy with 99m.-Tc diisopropylacetanilido iminodiacetic acid (99mTc-DISIDA) has proved to be highly effective for the assessment of bile flow, representing an indirect measurement of hepatocyte and cholangiocyte function.
View Article and Find Full Text PDFEvaluation of bile reflux in HIDA images based on fluid mechanics.
Comput Biol Med
May 2015
Catholic Cardinal Tien Hospital, Taipei, Taiwan. Electronic address:
We propose a new method to help physicians assess, using a hepatobiliary iminodiacetic acid scan image, whether or not there is bile reflux into the stomach. The degree of bile reflux is an important index for clinical diagnosis of stomach diseases. The proposed method applies image-processing technology combined with a hydrodynamic model to determine the extent of bile reflux or whether the duodenum is also folded above the stomach.
View Article and Find Full Text PDF99mTc-DISIDA uptake in liver lesion and pulmonary metastases shown on SPECT/CT in a patient with hepatocellular carcinoma.
Clin Nucl Med
January 2014
From the Division of Nuclear Medicine and PET/CT, Sirio-Libanes Hospital, São Paulo, Brazil.
A 43-year-old man, previously submitted to right hepatectomy, right hepatic artery chemoembolization, and surgical resection of liver lesions, with well-differentiated and moderately differentiated hepatocellular carcinoma (HCC) confirmed by histopathology, underwent cholescintigraphy with Tc diisopropyliminodiacetic acid (Tc-DISIDA) due to recurrent cholangitis. The scintigraphic images and the coregistered CT images showed radiotracer uptake in an area of biliary ectasia near the hepatic surface (which may be associated with recurrent cholangitis), in a hepatic nodule, and in multiple pulmonary metastases.
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