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Nuclear Medicine Examinations and Treatment

September 2,2019 Update

Introduction to nuclear medicine examinations and treatment

Nuclear medicine refers to the field of diagnosis and treatment of diseases by administering a drug (radioactive agent) with a small amount of a radioactive isotope (radioisotope: RI) as a marker.
When the radioactive agent is administered to the body, it is taken in by a specific organ, and the radiation energy is emitted there. The radiation is captured with a special camera called a "Gamma Camera (scinticamera)." In this manner, a characteristic of a nuclear medical examination is that it can create an image of the workings of the organ and the chemical changes, without any pain.

Equipment Mainly used for examination
Discovery NM630 (GE) Cerebral blood flow scintigraphy, myocardial perfusion scintigraphy, bone scintigraphy, etc.
PRISM-AXIS (Shimadzu Corporation) Lung perfusion scintigraphy, sentinel lymph node scintigraphy, myocardial perfusion scintigraphy, etc.
Biograph16TP (SIEMENS) Systemic tumor sugar metabolism PET/CT, etc.
Nuclear medicine examination and MR examination reception

Nuclear medicine examination and MR examination reception

DiscoveryNM630

DiscoveryNM630

PRISM-AXIS

PRISM-AXIS

Biograph16TP

Biograph16TP

Time for the examination

The nuclear medicine examination requires a waiting time after administering the radioactive agent for the agent to gather in the desired organ.
The time varies depending on the type of examination and the radioactive agent. The times required for the primary examinations and the duration of the imaging are shown below.

Examination name Radioactive agent Purpose Waiting time Imaging time
Bone scintigraphy Tc-99m MDP etc. Bone metastasis bone tumors etc. After administration about 3 hours About 30 minutes
Gallium scintigraphy Ga-67 citate Systemic search for tumors and inflammation After administration, about 3 days About 30 minutes to 45 minutes
Myocardial perfusion scintigraphy Tl-201 Cl Myocardial blood flow distribution After administration, 10 minutes and 3 hours (will be imaged twice) About 20 minutes
Cerebral blood flow scintigraphy Tc-99m ECD Evaluation of cerebral blood flow distribution There is no waiting time About 30 minutes
Systemic tumor sugar metabolism PET/CT F-18 FDG Systemic tumor sugar metabolism After administration about 1 hour, and after imaging 40 minutes Approx. 30 minutes(about 3 hours including waiting time)

* The time and duration of the imaging may vary depending on the type of examination and the directions from the doctor.

Important Points

  • If you wear any of the following, you may be asked to remove them because they will affect the image.
    →Accessories such as hairpins, dentures, eyeglasses, earrings and necklaces, hearing aids, watches, poultices, corsets, belts, magnetic patches and wallets.
  • The pre-treatment will depend on the examination. There will be an explanation from the attending doctor at the time of reservation of the examination so please observe this. The following are the pre-treatments for the primary examinations.
Examination name Radiopharmaceutical Pre-treatment
Bone scintigraphy Tc-99m MDP, etc. Urination just before imaging
Gallium scintigraphy Ga-67 citate Take a laxative the day before the imaging and defecate before imaging
Myocardial perfusion scintigraphy Tl-201 Cl Prohibition of food and drink, except for water, from the morning of examination day
Cerebral blood flow scintigraphy Tc-99m ECD None
Systemic tumor sugar metabolism PET/CT F-18 FDG Fast for more than 5 hours before the examination
Please refrain from strenuous exercise from the day before the inspection.

* The pre-treatment may vary depending on the type of examination and the directions from the attending doctor.

Please inform the attending doctor at the time of the reservation if any of the following apply to you.

  • Persons who are pregnant or may be pregnant
  • Persons who are breast feeding
  • Persons who are claustrophobic
  • Persons who have difficulty laying on their back for a long time

Contact information

049-228-3514 [Department of Radiology, Nuclear medicine examination and MR examination reception Direct]

  • Please feel free to contact us if you have any questions about the examination.
  • Please contact the department in charge if you are unable to visit the hospital on that day or if you have any questions about changing your reservation.
埼玉医科大学バナー 埼玉医科大学看護学校バナー