GASTROENTEROLOGY PROCEDURES

GASTROENTEROLOGY PROCEDURES

CAT gastro01

HEPATOSPLENIC ANGIOSCINTIGRAPHY

HEPATOESPLENIC SCINTIGRAPHY

HEPATOSPLENIC TOMOSCINTIGRAPHY (SPET / SPET-TC)

DESCRIPTION

  • Evaluation of the hepatosplenic perfusion and reticuloendothelial hepatosplenic activity.
  • Detection of small-sized or localized hepatosplenic lesions difficult to evaluate in planar images.

PREPARATION

No previous preparation is needed.

INDICATIONS

  • Evaluation of the hepatosplenic perfusion.
  • Evaluation of chronic liver diseases (cirrhosis, chronic hepatitis, etc.).
  • Evaluation of the size and morphology of liver and spleen.

DURATION OF
PROCEDURE

45 minutes.

HEPATOSPLENIC ANGIOSCINTIGRAPHY

HEPATOESPLENIC SCINTIGRAPHY

HEPATOSPLENIC TOMOSCINTIGRAPHY (SPET / SPET-TC)

DESCRIPTION

  • Evaluation of the hepatosplenic perfusion and reticuloendothelial hepatosplenic activity.
  • Detection of small-sized or localized hepatosplenic lesions difficult to evaluate in planar images.

PREPARATION

No previous preparation is needed.

INDICATIONS

  • Evaluation of the hepatosplenic perfusion.
  • Evaluation of chronic liver diseases (cirrhosis, chronic hepatitis, etc.).
  • Evaluation of the size and morphology of liver and spleen.

DURATION OF PROCEDURE

45 minutes.

CAT gastro02

EVALUATION OF BILIARY SALTS ABSORPTION (SehCAT)

DESCRIPTION

Evaluation of the degree of absorption/retention of biliary salts at the digestive tract, based on the oral contribution of tauroselcholic acid labeled with Se-75.

PREPARATION

Three-hour minimum fasting (6 to 8 hours recommended).

INDICATIONS

  • Evaluation of biliary salts malabsorption.
  • Study of chronic diarrheal syndromes.
  • Evaluation of the ileal function (terminal) and inflammatory bowel disease with ileal involvement.

DURATION OF
PROCEDURE

5 minutes on day 1 and 5 minutes on day 7.

EVALUATION OF BILIARY SALTS ABSORPTION (SehCAT)

DESCRIPTION

Evaluation of the degree of absorption/retention of biliary salts at the digestive tract, based on the oral contribution of tauroselcholic acid labeled with Se-75.

PREPARATION

Three-hour minimum fasting (6 to 8 hours recommended).

INDICATIONS

  • Evaluation of biliary salts malabsorption.
  • Study of chronic diarrheal syndromes.
  • Evaluation of the ileal function (terminal) and inflammatory bowel disease with ileal involvement.

DURATION OF PROCEDURE

5 minutes on day 1 and 5 minutes on day 7.

CAT gastro03

GASTRIC EMPTYING SCINTIGRAPHY

DESCRIPTION

Evaluation of the gastric transit of a radioactive tracer administered with the intake of a pre-established diet.

PREPARATION

  • Eight-hour minimum fasting.
  • Treatments with prokinetic drugs (Cleboril, Primperam) must be identified.
  • The patient should be warned that during this test, he/she can not have any other food, drink, should not smoke and must also remain standing-up or seated, never laying down.

INDICATIONS

Evaluation of the delay in gastric emptying of liquid or solid foods (gastroparesis) or in situations of acceleration of traffic.

DURATION OF
PROCEDURE

4 hours.

GASTRIC EMPTYING SCINTIGRAPHY

DESCRIPTION

Evaluation of the gastric transit of a radioactive tracer administered with the intake of a pre-established diet.

PREPARATION

  • Eight-hour minimum fasting.
  • Treatments with prokinetic drugs (Cleboril, Primperam) must be identified.
  • The patient should be warned that during this test, he/she can not have any other food, drink, should not smoke and must also remain standing-up or seated, never laying down.

INDICATIONS

Evaluation of the delay in gastric emptying of liquid or solid foods (gastroparesis) or in situations of acceleration of traffic.

DURATION OF PROCEDURE

4 hours.

CAT gastro04

SPLENIC SCINTIGRAPHY WITH LABILIZED ERYTHROCYTES 

SPLENIC TOMOSCINTIGRAPY (SPET)

DESCRIPTION

Evaluation of the hemocatheretic function of the spleen, and in its defect, of the liver and bone marrow.

PREPARATION

  • No previous preparation is necessary but the patient will remain in fasting during the procedure.
  • Radiological examinations with barium contrast must be avoided at least 48 hours before and during the procedure.

INDICATIONS

  • Hypersplenism evaluation.
  • Location of ectopic, accessory or supernumerary spleens.
  • Evaluation of the functioning of splenic grafts.

DURATION OF
PROCEDURE

2 hours.

SPLENIC SCINTIGRAPHY WITH LABILIZED ERYTHROCYTES 

SPLENIC TOMOSCINTIGRAPY (SPET)

DESCRIPTION

Evaluation of the hemocatheretic function of the spleen, and in its defect, of the liver and bone marrow.

PREPARATION

  • No previous preparation is necessary but the patient will remain in fasting during the procedure.
  • Radiological examinations with barium contrast must be avoided at least 48 hours before and during the procedure.

INDICATIONS

  • Hypersplenism evaluation.
  • Location of ectopic, accessory or supernumerary spleens.
  • Evaluation of the functioning of splenic grafts.

DURATION OF PROCEDURE

2 hours.

CAT gastro05

SCINTIGRAPHY OF DIGESTIVE HEMORRHAGES 

DETECTION OF HIDDEN HEMORRHAGES

DESCRIPTION

Detection and localization of digestive bleeding.

PREPARATION

  • No previous preparation is necessary but the patient will remain in fasting during the procedure.
  • Radiological examinations with barium contrast must be avoided at least 48 hours before and during the procedure.

INDICATIONS

  • Diagnosis of digestive bleeding
  • Location of intestinal bleeding points.

DURATION OF
PROCEDURE

 1 to 24 hours.

SCINTIGRAPHY OF DIGESTIVE HEMORRHAGES 

DETECTION OF HIDDEN HEMORRHAGES

DESCRIPTION

Detection and localization of digestive bleeding.

PREPARATION

  • No previous preparation is necessary but the patient will remain in fasting during the procedure.
  • Radiological examinations with barium contrast must be avoided at least 48 hours before and during the procedure.

INDICATIONS

  • Diagnosis of digestive bleeding
  • Location of intestinal bleeding points.

DURATION OF PROCEDURE

1 to 24 hours.

CAT gastro06

HEPATOBILIARY SCINTIGRAPHY (WITH OR WITHOUT PHARMACOLOGIC STIMULUS)

DESCRIPTION

Evaluation of hepatobiliary excretion and the dynamics of the bile ducts.

PREPARATION

  • Six-hour minimum fasting (3-4 hours for infants and young children).
  • In the evaluation of neonatal jaundice, a 5-mg/kg/day Phenobarbital preparation should be administered 5-7 days before the scan to increase hepatocyte uptake.
  • A morphine test must be performed in the differential diagnosis of cholecystitis.

INDICATIONS

  • Study of hepatobiliary function and excretion.
  • Diagnosis of acute cholecystitis.
  • Evaluation of chronic cholecystitis.
  • Evaluation of obstruction of the extrahepatic bile duct.
  • Diagnosis of enterogastric reflux.
  • Evaluation of the biliary tract after surgery.
  • Diagnosis of bile leakage.
  • Study of chronic intra-extrahepatic cholestasis (Caroli, CBP, sclerosing cholangitis, etc.).
  • Assessment of liver rumors: focal nodular hyperplasia, adenomas, hepatomas, etc.

DURATION OF
PROCEDURE

2 to 24 hours.

HEPATOBILIARY SCINTIGRAPHY
(WITH OR WITHOUT PHARMACOLOGIC STIMULUS)

DESCRIPTION

Evaluation of hepatobiliary excretion and the dynamics of the bile ducts.

PREPARATION

  • Six-hour minimum fasting (3-4 hours for infants and young children).
  • In the evaluation of neonatal jaundice, a 5-mg/kg/day Phenobarbital preparation should be administered 5-7 days before the scan to increase hepatocyte uptake.
  • A morphine test must be performed in the differential diagnosis of cholecystitis.

INDICATIONS

  • Estudi de la funció i excreció hepatobiliar.
  • Diagnòstic de la colecistitis aguda. Avaluació de la colecistitis crònica.
  • Avaluació de l’obstrucció de la via biliar extrahepàtica.
  • Diagnòstic del reflux enterogàstric.
  • Avaluació de la via biliar després de cirurgia.
  • Diagnòstic de fugues biliars.
  • Estudi de les colèstasis cròniques intra i extrahepàtiques (Caroli, CBP, colangitis esclerosant, …)
  • Avaluació de rumors hepàtics: hiperplàsia nodular focal, adenomes, hepatomes, etc.

DURATION OF PROCEDURE

2 to 24 hours.

CAT gastro07

LABELED LEUKOCYTES SCINTIGRAPHY FOR THE
STUDY OF INTESTINAL INFLAMMATORY DISEASE

DESCRIPTION

Evaluation of the distribution of labeled leukocytes in inflammatory and infectious intestinal processes.

PREPARATION

  • A 6-hour minimum fasting is recommended (essential for inflammatory bowel disease).
  • In cases of inflammatory bowel disease and abdominal disorders, it is necessary to maintain fasting during the exploration.

INDICATIONS

Study of inflammatory bowel diseases (Crohn’s disease, ulcerative colitis, etc.) and abdominal septic processes.

DURATION OF
PROCEDURE

4 hours.

LABELED LEUKOCYTES SCINTIGRAPHY
FOR THE STUDY OF INTESTINAL
INFLAMMATORY DISEASE

DESCRIPTION

Evaluation of the distribution of labeled leukocytes in inflammatory and infectious intestinal processes.

PREPARATION

  • A 6-hour minimum fasting is recommended (essential for inflammatory bowel disease).
  • In cases of inflammatory bowel disease and abdominal disorders, it is necessary to maintain fasting during the exploration.

INDICATIONS

Study of inflammatory bowel diseases (Crohn’s disease, ulcerative colitis, etc.) and abdominal septic processes.

DURATION OF PROCEDURE

4 hours.

CAT gastro08

SCINTIGRAPHY FOR THE DETECTION OF ECTOPIC GASTRIC MUCOSA

DETECTION OF MECKEL’S DIVERTICULUM

DESCRIPTION

Evaluation of the existence of ectopic gastric mucosa.

PREPARATION

  • Six-hour minimum fasting (4 hours for infants and young children).
  • Omeprazole PO 20 mg is administered 30-60 minutes before the start of the study (in children, 5 mg Omeprazole/10 kg of weight).

INDICATIONS

Detection and localization of Meckel’s diverticulum with gastric ectopic mucosa.

DURATION OF
PROCEDURE

1 hour.

SCINTIGRAPHY FOR THE DETECTION
OF ECTOPIC GASTRIC MUCOSA

DETECTION OF MECKEL’S DIVERTICULUM

DESCRIPTION

Evaluation of the existence of ectopic gastric mucosa.

PREPARATION

  • Six-hour minimum fasting (4 hours for infants and young children).
  • Omeprazole PO 20 mg is administered 30-60 minutes before the start of the study (in children, 5 mg Omeprazole/10 kg of weight).

INDICATIONS

Detection and localization of Meckel’s diverticulum with gastric ectopic mucosa.

DURATION OF PROCEDURE

1 hour.

CAT gastro09 1

GASTROESOPHAGEAL REFLUX SCINTIGRAPHY

DETECTION OF PULMONARY MICROASPIRATIONS

DESCRIPTION

Assessment of the existence of gastric activity towards the esophagus (reflux).

PREPARATION

Three-hour minimum fasting.

INDICATIONS

Evaluation of gastroesophageal reflux and the presence of lung microaspirations.

DURATION OF
PROCEDURE

1 to 4 hours.

GASTROESOPHAGEAL REFLUX SCINTIGRAPHY

DETECTION OF PULMONARY MICROASPIRATIONS

DESCRIPTION

Assessment of the existence of gastric activity towards the esophagus (reflux).

PREPARATION

Three-hour minimum fasting.

INDICATIONS

Evaluation of gastroesophageal reflux and the presence of lung microaspirations.

DURATION OF PROCEDURE

1 to 4 hours.

CAT gastro11

SALIVARY GLANDS SCINTIGRAPHY

SALIVARY SCINTIGRAPHY

DESCRIPTION

Evaluation of the excretory dynamics of the salivary glands.

PREPARATION

  • No previous preparation is needed.
  • Optional citrus stimulus.

INDICATIONS

  • Study of functional alterations of the salivary glands.
  • Diagnosis and evolution of the dry syndrome or Sjögren’s syndrome.
  • Evaluation of xerostomia in patients receiving cervical radiation with radioiodine.
  • Study of tumors of the salivary glands.

DURATION OF
PROCEDURE

1 hour.

SALIVARY GLANDS SCINTIGRAPHY

SALIVARY SCINTIGRAPHY

DESCRIPTION

Evaluation of the excretory dynamics of the salivary glands.

PREPARATION

  • No previous preparation is needed.
  • Optional citrus stimulus.

INDICATIONS

  • Study of functional alterations of the salivary glands.
  • Diagnosis and evolution of the dry syndrome or Sjögren’s syndrome.
  • Evaluation of xerostomia in patients receiving cervical radiation with radioiodine.
  • Study of tumors of the salivary glands.

DURATION OF PROCEDURE

1 hour. 

CAT gastro12

ESOPHAGEAL TRANSIT SCINTIGRAPHY

INTESTINAL TRANSIT SCINTIGRAPHY

DEGLUTITION SCINTIGRAPHIC STUDY

DESCRIPTION

Evaluation of the intestinal traffic of solids or liquids through the esophagus by swallowing a radioactive tracer, incorporated into liquid or semisolid food.

PREPARATION

Three-hour minimum fasting.

INDICATIONS

  • Evaluation of esophageal motility disorders and alterations of swallowing for liquid and semisolid foods.
  • Evaluation of achalasia.
  • Study of night cough screening and pulmonary microaspirations processes.
  • Assessment of intestinal transit.

DURATION OF
PROCEDURE

15 minutes.

ESOPHAGEAL TRANSIT SCINTIGRAPHY

INTESTINAL TRANSIT SCINTIGRAPHY

DEGLUTITION SCINTIGRAPHIC STUDY

DESCRIPTION

Evaluation of the intestinal traffic of solids or liquids through the esophagus by swallowing a radioactive tracer, incorporated into liquid or semisolid food.

PREPARATION

Three-hour minimum fasting.

INDICATIONS

  • Evaluation of esophageal motility disorders and alterations of swallowing for liquid and semisolid foods.
  • Evaluation of achalasia.
  • Study of night cough screening and pulmonary microaspirations processes.
  • Assessment of intestinal transit.

DURATION OF PROCEDURE

15 minutes. 

CAT gastro13

UREA BREATH TEST

DESCRIPTION

Determination of bacterial infection by Helicobacter pylori.

PREPARATION

  • Six-8-hour minimum fasting.
  • No smoking 6 hours before the scan.
  • It is important to keep in mind that all medications related to treatments to eradicate Helicobacter pylori or with urease activity will influence the test. That is why the procedure must be done at least 4 weeks after suspending antibacterial medication and 4 weeks after the last administration of any antisecretory medication. This is especially important in eradication controls.

INDICATIONS

Determination of stomach infection by the bacterium Helicobacter pylori.

CONTRAINDICATIONS

Patients with gastric infection or atrophic gastritis, documented or suspected, that could interfere with the procedure.

DURATION OF
PROCEDURE

40 minutes.

UREA BREATH TEST

DESCRIPTION

Determination of bacterial infection by Helicobacter pylori.

PREPARATION

  • Six-8-hour minimum fasting.
  • No smoking 6 hours before the scan.
  • It is important to keep in mind that all medications related to treatments to eradicate Helicobacter pylori or with urease activity will influence the test. That is why the procedure must be done at least 4 weeks after suspending antibacterial medication and 4 weeks after the last administration of any antisecretory medication. This is especially important in eradication controls.

INDICATIONS

Determination of stomach infection by the bacterium Helicobacter pylori.

CONTRAINDICATIONS

Patients with gastric infection or atrophic gastritis, documented or suspected, that could interfere with the procedure.

DURATION OF PROCEDURE

40 minutes. 

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Josep Irla & Bosch Street, 5-7, Basement, Barcelona 08034, Catalonia, Spain
(+34) 93 204 6439, (+34) 93 205 7708 Fax (+34) 93 204 8641 info@simm.barcelona

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Logo-SIMM-Largo

Josep Irla & Bosch Street, 5-7, Basement, Barcelona 08034, Catalonia, Spain
Phones (+34) 93 204 6439 & (+34) 93 205 7708 Fax (+34) 93 204 8641
E-mail info@simm.barcelona

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