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Uterine Activity: A Potential Cause of False-Positive Meckel's Scans

University of Utah College of Medicine, Salt Lake City, Utah

Correspondence: For reprints contact: John Q. Knochel, MD, Department of Radiology, University of Utah Medical Center, Salt Lake City, UT 84132.

ABSTRACT

Sodium pertechnetate (Tc-99m) can accumulate in the uterus and result in a "false-positive" Meckel's scan. Early, intense activity in the pelvis, which diminishes with time, should alert the physician to the possibility of uptake by the female reproductive organs. Ultrasound, TCT, or radiographic examinations may be necessary when findings are equivocal.