ExoticRx · exoticrx.com/drugs/technetium-99m-pertechnetate
US brand names:TcO4
Gamma-emitting radioisotope taken up by thyroid tissue proportional to iodide trapping. Used for thyroid scintigraphy to evaluate hyperthyroidism and thyroid tumors.
Radiation safety protocols required. Short half-life (6 hours). Nursing animal isolation needed. Primarily used for feline hyperthyroid imaging. Licensed nuclear medicine facility required.
Species references:All Cat (Domestic) drugs
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A dog/cat sample is shown here. Cited dosing for all 1 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Cat (Domestic) | IV | Standard for feline hyperthyroid imaging | Single dose (diagnostic) | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
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