Unexpected sudden death resulting from anomalous origin of the right coronary artery from the left sinus of Valsalva: A case report involving identical twins

Morio Iino, Takeshi Kimura, Hitoshi Abiru, Richard H. Kaszynski, Qing Hua Yuan, Tatsuaki Tsuruyama, Keiji Tamaki

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An anomalous origin of the coronary arteries had been implicated as a cause of sudden cardiac death in a case involving a 16-year-old student who suddenly collapsed while running track at school. An autopsy revealed that the right coronary artery arose from the aorta in the left sinus of Valsalva. In order to determine whether the same anomaly was inherent in his brother - an identical twin - a complete cardiac medical examination was conducted. Multi-detector-row computed tomography (MDCT) coronary angiography showed no anomaly at the sinus of Valsalva, which indicates that the anomaly, in this case, was not hereditary. This case exemplifies instances where forensic medicine may intervene to prevent sudden deaths in surviving family members.

Original languageEnglish
Pages (from-to)25-29
Number of pages5
JournalLegal Medicine
Issue number1
Publication statusPublished - 2007 Jan 1



  • Congenital abnormalities
  • Coronary artery anomalies
  • Identical twins
  • MDCT
  • Sudden death

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Issues, ethics and legal aspects

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