To the Editor.—
In the case reported by Capurro and Gray (229:763, 1974), a liver and pancreas scan are reproduced and both are read as being abnormal. This reproduction has been reviewed by several physicians in the Radioisotope Laboratory at the University of Cincinnati Medical Center, and I had seen the original previously. We are all in agreement that the scan is normal. The "irregular concave profile" of the inferior edge of the liver is most certainly related to respiratory motion, causing a most common artifact on rectilinear liver scanning. This disappears if one employs a gamma-ray camera, injects sufficient technetium Tc 99m sulfur colloid, and performs the scan with the patient holding his breath for 15 to 20 seconds.The pancreas scan was also read as abnormal with uneven isotope uptake. One agrees that the uptake is uneven, but the apparent filling defect of the body of the pancreas
Silberstein EB. Liver and Pancreas Scans. JAMA. 1974;230(10):1386–1387. doi:10.1001/jama.1974.03240100016009
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