False-positive iodine-131 whole body scan due to pectus excavatum

S. Muherji, H. A. Ziessman, J. M. Earll, J. W. Keyes

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


A 44-year-old woman with follicular cell carcinoma of the thyroid was treated with 150 mCi of radioactive I-131 6 weeks after a subtotal thyroidectomy. A whole body scan performed 5 days after therapy demonstrated diffuse uptake in the left lung field, but no other evidence of distant metastases. A review of her recent chest X-ray showed a prominant pectus excavatum with a shift of the heart shadow into the left lung field. A Tc-99m labeled red blood cel scan confirmed that the I-131 uptake in the left lung field represented heart blood pool.

Original languageEnglish (US)
Pages (from-to)207-208
Number of pages2
JournalClinical nuclear medicine
Issue number3
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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