Radiology

Radiology

Radiology

Radio Isotope Scans

Scan	Isotope Used
Liver and Biliary function	Tc99, Tc glycoheptonate
Spleen, Marrow	Tc 99
Lung	Tc 99 macroaggregates
Lung ventilation	Xenon gas
Kidney	Tc 99, Tc Labelled derivatives
Brain, bone	Tc pertechnetate
Myocardial function	Tc albumin
Myocardial infarction	Tc pyrophosphate
Myocardial perfusion	Thalluim Chloride
Tumor or abscess	Gallium citrate
Pancreas scan	Selenomethiomine, Se 75
Thyroid malignancy	Selenium
Thyroid function	Iodine 131

 Radiation Emitted

Gamma rays	Cobalt, Caesium, Technetium.
Beta rays	Strontium, Gold, phosphorus

Dye used

Bronchography	Dianosil
Sialography	Neohydriol
Urethrography	Umbradil Viscous V
Angiography	Urograffin
I.V.P	Sodium diatrizoate
Intestinal obstruction	Gastrograffin
Ventriculography	Metrizamide and
And Myelography	Iopendylate (Myodil)
Cholecsystography	Idopamide, Meglumine Ioglyconate
Sodium Metrizoate	Splenoportography
Hysterosalpingography	50% Diodone with 6 % polyvinyl alcohol in water
Fetography	Ethiodol

Half Life

Iodine 132	2 to 3 hours
Technitium	6 hours
Iodine 123	13 hours
Gold	2.7 days
Thallium chloride	3.1 days
Gallium	3.2 days
Radon	3.8 days
Xenon gas	5.2 days
Iodine 131	8 days
Phosporous 32	14.3 days
Iridium	74.5 days
Tantalum	115 days
Cobalt 69	5 years
Strontium	28 years
Caesium	30 years
Ra	1622 years

Ultra Sonography

M- Mode	For moving parts eg, valves of heart etc.
A Scope	For cerebral lesions. Shift of mid- line structures
B Scope	For 2 dimensional view eg. Obstetrics and abdominal masses
Grey scales	Foe Contrast studies