Liver SPECT Scan Click for full image (104k).

Click for animated image.(62k).

• Determining the size and shape of the liver and spleen
• Detecting functional abnormalities of the reticuloendothelial cells of these organs, especially in patients with suspected liver disease
• Suspected focal nodular hyperplasia of the liver
• Diagnosis of primary or metastatic disease of the liver
• Splenic scans in children to rule out coongenital asplenia or polysplenia
• Splenic scans in adults whose thrombocytopenia has been previously treated with splenectomy
• Post traumatic splenic rupture or infarct

Biliary Scan Click for full image (83k).

Biliary Scan (hida scan)

• Functional assessment of the hepatobiliary system
• Integrity of the hepatobiliary tree
  • evaluation of suspected acute cholecystitis
  • evaluation of suspected chronic biliary tract disorders
  • evaluation of common bile duct obstruction
  • detection of bile extravasation
  • evaluation of congenital abnormalities of the biliary tree

• This test is highly specific for cavernous hemangiomas of the liver. The sensitivity for detecting large lesions of the liver (>2-3cm) is also high. Hemangiomas as small as 0.5 cm may be detected with SPECT.

Meckel's Diverticulum Scan

• To localize ectopic gastric mucosa in a Meckel's diverticulum as the source of unexplained gastrointestinal bleeding.
  • the Meckel's scan should be used when the patient is not actively bleeding

Gastro-Intestinal Bleeding Scan

• To locate the bleeding site and to determine who requires aggresive treatment versus those who can be medically managed. ( it is usually in those patients that require urgent care that the bleeding site is identified)
  • GI Bleeding scans should be done as soon as possible after the patient presents for medical care, since active bleeding is more likely at early times and is needed for correct localization.

Gastric Emptying Study Click for full image (65k).

Gastric Emptying Study

• Post-prandial:
  • nausea, vomiting
  • upper abdominal discomfort, bloating
  • chronic aspiration
• Suspected gastroparesis
• Poor diabetic control
• Gastroesophageal reflux
• Following response to therapy for previously documented motility disturbances

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