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[edit] Indications for imaging

• Tumor evaluation (i.e. Pheochromocytoma , Paraganglioma , Islet cell tumor , Carcinoid , Medullary carcinoma of thyroid , Small cell lung cancer , Neuroblastoma , Pituitary adenoma , Lymphoma , Breast cancer , Astrocytoma , Meningioma , Thymoma ).

[edit] Patient preparation

• Bowel preparation with laxative and enema
• Discontinue octeotide therapy for 1 week prior the exam

[edit] Radiopharmaceutical

In-111 OctreoScan

[edit] Dose and route of administration

• 6 mCi IV
  • 4 hours (abdomen, pelvis)
  • 24 hours (whole body)

[edit] Equipment

• Camera: Large field of view SPECT gamma camera
• Collimator: Medium-energy
• Window: 20% window around 173 and 245 KeV

[edit] Procedure

• 4 hours: Planar images of the abdomen and pelvis
• 24 hours: Planar images of the whole body. SPECT of regions of clinical concern.

[edit] See also

• Octreoscan sample dictation

[edit] Images

Normal OctreoScan

[edit] References

• Ziessman, Harvey A, O'Malley, Janis P, and Thrall, James M. Nuclear Medicine: The Requisites. 3rd ed. Philadelphia, Pennsylvania: Mosby, 2006. ISBN 0323029469