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Previous Volume 331:205 July 21, 1994 Number 3 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Dr. Spigelman's chest roentgenogram of an 11-year-old girl, entitled "Situs Inversus" (March 3 issue),¹ is most likely an example of situs ambiguus and polysplenia syndrome. Although the aortic arch is right-sided, which would be concordant with situs inversus totalis, there is a prominent density to the left of the trachea. Despite the underpenetration of the reproduction with respect to the mediastinum, this appears to represent an enlarged azygos vein, indicating azygous continuation of an interrupted inferior vena cava. Such an occurrence would be essentially diagnostic of the polysplenia syndrome in this context².

Marta Hernanz-Schulman, M.D.
Vanderbilt . . . [Full Text of this Article]

References

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• Márquez, M. F., Urias, K. I., Hermosillo, A. G., Jardón, J. L., Iturralde, P., Colín, L., Nava, S., Cárdenas, M. (2005). Familial vasovagal syncope. Europace 7: 472-474 [Abstract] [Full Text]  
• Lewis, S. L., O'Toole, M. (1994). Familial Occurrence of Neurocardiogenic Syncope. NEJM 331: 1529-1529 [Full Text]