Cardiac computed tomography of congenital absent left circumflex coronary artery: A case report

Yun Hsuan Tzeng, Gong Yau Lan, Wei Hsian Yin, Chung Ching Huang, Yu Chin Wu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Congenital absent left circumflex coronary artery (LCX) is a very rare anomaly. Only a few cases diagnosed by conventional angiography were reported in the literature. We report a case of congenital absent LCX with angina-like symptoms diagnosed by cardiac computed tomography (CT) scan. A 71-year-old male patient with intermittent chest tightness during exercise was referred to our department for cardiac computed tomography (CT) study. The thallium-201 myocardial perfusion study showed positive finding and the result of treadmill exercise electrocardiogram was inconclusive. No evidence of atherosclerotic coronary artery disease but total absence of LCX was found in the CT study. Knowledge of the clinical manifestations and cardiac CT appearances of this rare anomaly are essential for accurate diagnosis and proper treatment.

Original languageEnglish
Pages (from-to)273-276
Number of pages4
JournalChinese Journal of Radiology
Volume34
Issue number4
Publication statusPublished - Dec 1 2009
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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