Technetium-99m diethylene triamine pentaacetic acid (Tc-99m DTPA) renal dynamic scintigraphy is a widely used imaging technique that evaluates renal function of patients with extrarenal abnormalities, but its clinical value in potentially offering ...

2023年10月9日 · 利尿剂介入99mtc-dtpa，spect肾动态显像可以评估肾积水程度、分肾功能、协助判断梗阻的位置及性质，为治疗前评估及治疗后随访提供重要依据。 病例分析

2023年2月27日 · Tc-99m DTPA (diethylene-triamine-pentaacetate) is one of the technetium radiopharmaceuticals used in renal imaging and primarily used to measure the glomerular filtration rate (GFR). Characteristics. photon energy: 140 KeV. physical half-life: 6 hours. oxidation state of technetium: +4. biological half-life: 2.5 hours. normal distribution ...

Technetium Tc-99m DTPA is a radiopharmaceutical core of chelating agent DTPA (diethylenetriaminepentaacetic acid) complexed with the gamma-emitting radionuclide technetium Tc 99m with radioimaging application.

Tc-99m DMSA. 1974年Lin, Khentigan和Winchell合成出DMSA, 而成為現今核醫常用的一種藥物，尤其是目前診斷兒童急性腎盂腎炎和腎臟結痂的一大利器。Tc-99m DMSA注射後，會由腎絲球體過濾和腎小管分泌排泄至尿液。其血漿清除之半衰期約為10分鐘。

肘静脉“弹丸”式注射 99m Tc-DTPA 111 MBq后即刻行肾动态图像采集120 帧，计算双肾GFR，即Gates法，同时于注射后2、4 h各抽血4 ml，分离血浆1 ml，测量其放射性计数，计算99mTc-DTPA的血浆清除率(双血浆法)，所测数值均用体表面积标准化。

Technetium 99m was combined with the chelating agent DTPA in order to obtain a scanning agent with the physical properties of the radionuclide technetium 99m and the desirable biological properties of chelating agents. The method for the preparation of the chelate is described. No toxic effects are expected.

2023年5月8日 · DRAXIMAGE ® DTPA is a kit for the preparation of Technetium Tc 99m pentetate injection, a radioactive diagnostic agent, for intravenous or inhalation use. Each multiple-dose 10 mL glass vial contains a sterile, non-pyrogenic, non-radioactive lyophilized powder of 20 mg of pentetic acid, 5 mg of p-aminobenzoic acid, 3.73 mg of calcium chloride ...

2007年3月6日 · 99m Tc-diethylenetriaminepentaacetate-deoxyglucose (99m Tc-DTPA-DG) is a radioligand developed for single-photon emission computed tomography (SPECT) of glucose utilization rates in normal and pathologic diseases that reflect tumor cell …

2021年4月30日 · Tc-99m DTPA (diethylenetriamine-pentaacetic acid) (aerosol) is one of the technetium agents and is used in VQ imaging. DTPA is a potent chelator of metals.