Article Figures & Data
Figures
- FIGURE 1.
Anterior and posterior images of adult with abnormal 99mTc-DMSA distribution pattern in liver, colon, and background.
- FIGURE 2.
(A) Fused sagittal image of 99mTc-DMSA study of child with history of cross-fused ectopic kidney, showing high background, liver, and colon uptake. (B) Corresponding CT image. (C) Corresponding SPECT image.
Tables
Cause Patients (n) High creatinine 26 Medication/urinary alkalinizer 3 Fatty liver 1 Liver and spleen enlargement 1 Poor quality control measures for 99mTc-DMSA 0 Test Accepted limit Average result 99Mo breakthrough <0.1% 0.02% Al+3 breakthrough Eluted spot less intensely colored than standard solution All passed 99mTc pH 4.0–8.0 5.0 99mTc-DMSA pH 2.5–3.5 3.1 Labeling efficiency ≥95% 98.2% - TABLE 3.
Institutional Investigation Results Compared with Manufacturer Specifications for Normal Saline Quality Control
Test Accepted limit Normal saline Batch A (132129) Batch B (132589) Batch B (133325) Visual inspection Clear, colorless Clear, colorless Clear, colorless Clear, colorless pH 4.5–7.0 5.5 5.6 5.8 Osmolarity (mmol/L) 308 287 282 280 Endotoxin/pyrogen (IU/mL) <2.5 <2.5 <2.5 <2.5 Sterility No growth or turbidity Sterile Sterile Sterile
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