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Case Reports in Obstetrics and Gynecology
Volume 2012, Article ID 954241, 4 pages
Case Report

Mesenchymal Hamartoma: Prenatal and Postnatal Diagnosis by Imaging

1Department of Obstetrics and Gynecology, La Fe University Hospital, 46026 Valencia, Spain
2Department of Radiology, La Fe University Hospital, 46026 Valencia, Spain

Received 27 September 2012; Accepted 8 November 2012

Academic Editors: M. K. Hoffman, O. Picone, and M. G. Porpora

Copyright © 2012 Alicia Martínez-Varea et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We present a case of a twin pregnancy in which one fetus developed a rapidly growing unilateral intrathoracic tumor. While a cystic adenomatoid malformation was suspected in the ultrasound scan, the magnetic resonance scan suggested a pulmonary blastoma or a bronchioalveolar carcinoma. Postnatal chest radiography and contrast-enhanced computed tomography of the affected newborn were performed, and it was ruled out the possibility of malignant origin. Finally, the anatomopathologic exam revealed the presence of a mesenchymal hamartoma in the chest wall. Nevertheless, parents refused any treatment for the newborn.