Pericardial effusion in primary hypothyroidism: Tc-99m sestamibi imaging

F. Cesani, H. Tee, J. Esquivel-Avila, J. Villanueva-Meyer

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

A 28-year-old woman was admitted to the hospital for an episode of syncope. On arrival, the patient was noticed to have an enlarged cardiac silhouette on chest x-ray. The ECG showed sinus bradycardia at 50 beats per minute. A resting myocardial perfusion study was performed after the injection of 20 mCi of Tc-99m sestamibi. The SPECT images show normal myocardial perfusion with a large pericardial effusion, best appreciated with planar images. Laboratory data showed a TSH of 284 mU/L, T3 uptake 0.77, T4 0.4 mcg/dl, and a free thyroxine index less than 0.31. An echocardiogram showed a moderate to severe (600 cc) pericardial effusion with normal left ventricular function. Pericardial effusion may be a frequent manifestation in myxedema, an advanced severe stage.

Original languageEnglish (US)
Pages (from-to)457-458
Number of pages2
JournalClinical Nuclear Medicine
Volume20
Issue number5
DOIs
StatePublished - Jan 1 1995

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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