OctreoScan



OctreoScan is a kit for the preparation of Indium In-111 pentetreotide, a diagnostic radiopharmaceutical.

Indications for OctreoScan imaging

 * Tumor evaluation


 * Pheochromocytoma
 * Paraganglioma
 * Islet cell tumor
 * Carcinoid
 * Medullary carcinoma of thyroid
 * Small cell lung cancer
 * Neuroblastoma
 * Pituitary adenoma
 * Lymphoma
 * Breast cancer
 * Astrocytoma
 * Meningioma
 * Thymoma

Patient preparation

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

Radiopharmaceutical

 * In-111 OctreoScan

Dose and route of administration

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

Equipment

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

Procedure

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

Images
Images courtesy of RadsWiki

Normal OctreoScan