Total anomalous pulmonary venous connection CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Keri Shafer, M.D. [3]; Priyamvada Singh, MBBS [4]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [5]

Overview

Computed tomography can be helpful as a diagnostic tool in conditions where the echocardiographic findings are inconclusive.

CT

  • The radiologic appearance of TAPVC varies according to the site of abnormal venous drainage and whether the flow is obstructed.[1]
  • The structure in which the anomalous vein terminates appears dilated; termination at the level of the coronary sinus, superior vena cava, or azygos vein leads to dilatation of that structure and produces characteristic abnormalities in the imaging appearance.
  • Computed tomography (CT) can be used as a diagnostic modality in congenital heart diseases.

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Advantages

  • Provides additional anatomic details compared to echocardiography
  • It is done faster compared to MRI, thus avoiding the need for anesthesia in small children.

Disadvantages

  • Costly
  • Radiation can have long terms side-effect on growing children.

References

  1. Alam, Tariq; Hamidi, Hidayatullah; Hoshang, Mer Mahmood Shah (2016). "Computed tomography features of supracardiac total anomalous pulmonary venous connection in an infant". Radiology Case Reports. 11 (3): 134–137. doi:10.1016/j.radcr.2016.04.005. ISSN 1930-0433.

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