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Tables
Patient Intravenously administered activity, MBq/kg (mCi/kg) Organ receiving the largest radiation dose, mGy/MBq (rads/mCi) Effective dose, mSv/MBq (rems/mCi) Adult 370–740 (10–20) Bladder, 0.16* (0.59) 0.019 (0.070) Child (5 y old) 5.18–7.4 (0.14–0.20) Bladder, 0.32† (1.2) 0.050 (0.18) ↵* Voiding interval, 3.5 h. Changes in bladder wall dose are approximately linear with changes in voiding interval; therefore, for a voiding interval of 2.0 h, dose to bladder wall would change by a factor of 2/3.5.
↵† Voiding interval, 2.0 h.
Data are from International Commission on Radiological Protection. Radiation Dose to Patients from Radiopharmaceuticals. St. Louis, MO: Elsevier; 2000:49. ICRP publication 80.
Training Board certification No. of PET/CT interpretations (supervised)* No. of CT interpretations (supervised)† PET/CT CME credits CT CME credits Nuclear medicine ABNM 150 500 8 100 Diagnostic radiology (recent CT)‡ ABR 150 35 Nuclear radiology (recent CT)‡ ABR 150 8 Radiology (recent CT)‡ ABR and ABNM 150 8 Diagnostic radiology (no recent CT) ABR 150 500 35 100 ↵* Supervision should be performed by qualified nuclear medicine physicians or diagnostic radiologists who have interpreted more than 500 PET/CT studies.
↵† Supervision should be performed by qualified diagnostic radiologists as defined in American College of Radiology Practice Guidelines for Performing and Interpreting Diagnostic Computed Tomography. CT cases should include reasonable distribution of head and neck, chest, abdomen, and pelvis.
↵‡ Includes radiologists or nuclear radiologists with recent experience in body CT (100 body CT cases/y for preceding 5 y).
ABNM = American Board of Nuclear Medicine.