Question:

What is true about the congenital pulmonary vein varix:
1. It causes left to right shunt
2. It causes right to left shunt
3. It requires surgical treatment even if there are no complications
4. Its etiology include mitral valve insufficiency
5. It is ussualy an incidental finding which does not require any treatment





Answer:

The correct answer for the question "What is true about the congenital pulmonary vein varix:" is:

5. It is ussualy an incidental finding which does not require any treatment



Explanation
a., b. [the varix drains into the left atrium, so there is no evidence of shunt between systemic and pulmonary circulations].

c.,e. unless there are complications no treatment is required [Pulmonary varices usually remain stable in the absence of pulmonary venous hypertension. Nonetheless in most cases treatment of pulmonary varices is usually unnecessary once the correct diagnosis is established].

d. mitral valve insufficiency is the reason for acquired pulmonary vein varix  [Acquired dilation of the pulmonary vein is due to increased pulmonary venous pressure from increased pressure in the left atrium (e.g.mitral valve insufficiency)].



From the manuscript:
A Complex Pulmonary Vein Varix - Diagnosis with ECG gated MDCT, MRI and Invasive Pulmonary Angiography
Radiology Case. 2012 Dec; 6(12):9-16


This article belongs to the Chest section.




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From the manuscript

A Complex Pulmonary Vein Varix - Diagnosis with ECG gated MDCT, MRI and Invasive Pulmonary Angiography

Free full text article: A Complex Pulmonary Vein Varix -  Diagnosis with ECG gated MDCT, MRI and Invasive Pulmonary Angiography

Abstract
A case of an asymptomatic 32-year-old male with a complex congenital pulmonary vein varix is reported herein. Chest X-ray incidentally revealed a tubular opacity passing from the periphery of the left lingula to the mediastinum. ECG gated multidetector computed tomography showed the opacity to be a vessel emptying into the left atrium via the left superior pulmonary vein. In addition, a second vascular structure was noted within the posterior mediastinum that was emptying into the same pulmonary vein. These findings were also confirmed by magnetic resonance imaging, 4D magnetic resonance angiography and invasive arterial angiography. Based on multimodality imaging findings the diagnosis of complex congenital pulmonary venous varix with posterior mediastinal extension was established.






References

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