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Unduly long left main (79 mm) coronary artery arising from right coronary sinus in a 64-year-old diabetic man
  1. Santosh Kumar Sinha,
  2. Puneet Aggarwal,
  3. Mahmodula Razi and
  4. Vinay Krishna
  1. Department of Cardiology, LPS Institute of Cardiology and Cardiac Surgery, Kanpur, India
  1. Correspondence to Dr Puneet Aggarwal, puneetaggarwal4u{at}


Coronary artery anomalies are usually an incidental finding on coronary angiogram. Most of them are benign, although few of them are malignant which may cause sudden cardiac death. A 64-year-old diabetic, hypertensive man underwent coronary angiography for evaluation of exertional dyspnoea, and angina which revealed an anomalous left main coronary artery (LMCA) arising from right coronary sinus which was unduly long (79 mm) but free from any disease. To the best of our knowledge after extensive search in literature, this is the longest LMCA to be ever reported. The patient was managed conservatively.

  • interventional cardiology
  • clinical diagnostic tests
  • hypertension
  • ischaemic heart disease
  • radiology (diagnostics)
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  • Contributors MR: drafting the article or revising it critically for important intellectual content. VK: final approval of the version published. SKS: conception and design, acquisition of data or analysis and interpretation of data. PA: agreement to be accountable for the article and to ensure that all questions regarding the accuracy or integrity of the article are investigated and resolved.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.

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