Placental imaging with 113mIn transferrin and 99mTc serum albumin

A. Everette James, H. William Strauss, Keith Fischer, C. Robert Wheeless, Rosemary Longo

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Radionuclide placentography is a diagnostic procedure in which the placental blood pool is imaged by the accumulation of a radiopharmaceutical that had been injected intravenously. By this method, the placenta is localized directly. Analysis of 84 patients who had placentograms at The Johns Hopkins Hospital revealed that this technic is accurate and reliable. The specificity of this test can be increased by using a vaginal radionuclide marker to localize the cervical os. Of the radionuclides in common use, 113mIn transferrin and 90mTc-HSA are preferred. Bladder radioactivity is more common with 90mTc-HSA and may be difficult to distinguish from activity in the placenta.

Original languageEnglish (US)
Pages (from-to)602-611
Number of pages10
JournalObstetrics and gynecology
Issue number4
StatePublished - Apr 1971

ASJC Scopus subject areas

  • Obstetrics and Gynecology


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