Skip Navigation LinksHome > August 2010 - Volume 32 - Issue 6 > Proximal Radio-ulnar Synostosis With Bone Marrow Failure Syn...
Journal of Pediatric Hematology/Oncology:
doi: 10.1097/MPH.0b013e3181e5129d
Clinical and Laboratory Observations

Proximal Radio-ulnar Synostosis With Bone Marrow Failure Syndrome in an Infant Without a HOXA11 Mutation

Castillo-Caro, Paul MD*; Dhanraj, Santhosh BSc, MSc; Haut, Paul MD; Robertson, Kent MD, PhD; Dror, Yigal MD; Sharathkumar, Anjali A. MD‡ §

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Abstract

This report summarizes the clinical management of an infant with a proximal radio-ulnar synostosis and inherited bone marrow failure syndrome (PRUS/IBMFS). Molecular studies were negative for the characteristic HOXA11 mutation described earlier. He was successfully treated with a non-myeloablative hematopoietic stem cell transplantation from an human leukocyte antigen-identical sibling donor at the age of 3 months. We reviewed the literature on PRUS/IBMFS with an emphasis on the current understanding of the molecular mechanisms involved in the disease pathogenesis. Absence of the HOXA11 mutation in this case implies that molecular mechanisms beyond the HOXA11 gene, yet to be discovered, may contribute for the development of PRUS/IBMFS.

© 2010 Lippincott Williams & Wilkins, Inc.

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