Document Detail

Short femurs detected at 25 and 31 weeks of gestation diagnosed as Leroy I-cell disease in the postnatal period: a report of two cases.
MedLine Citation:
PMID:  17228159     Owner:  NLM     Status:  MEDLINE    
Leroy I-cell disease is a rare autosomal recessive lysosomal storage disorder characterized by marked psychomotor and growth retardation, skeletal anomalies, and typical facial features. There is a biochemical defect in uridine diphospho-N-acetylglucosamine-1-phosphotransferase, which is the enzyme responsible for addition of a mannose phosphate residue for lysosomal trafficking. Prenatal diagnosis is possible by analysis of enzyme activity in chorionic villi or cultured amniocytes, but this is offered to families only known to be at increased risk. We describe two cases that had bilateral shortness of the femurs at 25 and 31 weeks of gestation in the ultrasound scan and were diagnosed as Leroy I-cell disease by plasma enzyme analysis in the postnatal period. There was also bowing of the femurs in one case. None of the two families had a history of Leroy I-cell disease. The parents of one case were second-degree cousins. In view of these two cases that are presented, we propose that Leroy I-cell disease should be included in the differential diagnosis of short femurs even when there is no evident family history.
A Yuksel; H Kayserili; F Gungor
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2007-01-17
Journal Detail:
Title:  Fetal diagnosis and therapy     Volume:  22     ISSN:  1015-3837     ISO Abbreviation:  Fetal. Diagn. Ther.     Publication Date:  2007  
Date Detail:
Created Date:  2007-04-13     Completed Date:  2007-05-31     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9107463     Medline TA:  Fetal Diagn Ther     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  198-202     Citation Subset:  IM    
Copyright Information:
(c) 2007 S. Karger AG, Basel.
Department of Obstetrics and Gynecology, Istanbul University, Capa Istanbul, Turkey.
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MeSH Terms
Diagnosis, Differential
Femur / abnormalities*,  ultrasonography
Genes, Recessive
Gestational Age
Hexosaminidases / blood
Infant, Newborn
Mucolipidoses / diagnosis*,  enzymology,  genetics,  ultrasonography
Ultrasonography, Prenatal
alpha-Mannosidase / blood
beta-N-Acetylhexosaminidases / blood
Reg. No./Substance:
EC 3.2.1.-/Hexosaminidases; EC; EC

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