alexa A Tunisian Case of Dyssegmental Dysplasia: Silverman-handmarker Type
ISSN: 2376-127X

Journal of Pregnancy and Child Health
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Review Article

A Tunisian Case of Dyssegmental Dysplasia: Silverman-handmarker Type

Yacoubi Mohamed Tahar1,2, Nadia Ben Jamaa1, Achour Radhouane3*, Ksibi Imen4, Mokni Moncef2, Delesoide Anne Lise5

1Research unit, Faculty of medicine of Sousse, Tunisia

2Department of pathology, University hospital of Sousse, Tunisia

3Emergency Department of Maternity and Neonatology Center, Faculty of Medicine of Tunis, Tunis, Tunisia

4Neonatology Department of Maternity and Neonatology Center, Faculty of Medicine of Tunis, Tunis, Tunisia

5Department of Biology of development, Hospital Robert DEBRE of Paris, France

Corresponding Author:
Achour Radhouane
Emergency Department of Maternity and Neonatology Center
Faculty of Medicine of Tunis, Tunis, Tunisia
Tel: 21698549398
E-mail: [email protected]

Received March 30, 2016; Accepted April 25, 2016; Published April 30, 2016

Citation: Tahar YM, Jamaa NB, Radhouane A, Imen K, Moncef M, et al. (2016) A Tunisian Case of Dyssegmental Dysplasia: Silvermanhandmarker Type. J Preg Child Health 3:249. doi:10.4172/2376-127X.1000249

Copyright: © 2016 Tahar YM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: Dyssegmental dysplasia, Silverman-Handmaker Type, is an autosomal recessive lethal disorder, originally considered as a Kniest-like skeletal dysplasia with camptomelia. It is linked to functional null mutations of the perlecan gene (HSPG2) located on chromosome 36.1-35. We report the first case diagnosed in our department. Study: A 31 year-old mother, prim pare and non-consanguineous with her husband, given a 15-16 weeks-aged foetus with dwarfism and dyssegmental dysplasia detected prenatally by ultrasonography. A medical termination of the pregnancy was indicated. Radiographs and autopsy were performed. External examination showed a facial dysmorphy, thick neck, pterygia and micromelia with curved limbs, chest narrowing and an abducted hallux in the right foot. No anomaly in visceral examination was found. The radiographs showed short limbs with Kniest like large metaphyses, bowing of long bones and pleomorphic vertebral bodies with irregular segmentation and absent ossification of pelvic bones. The cranial vault was normal. Histologically, the resting cartilage showed scattered, large puddle-like spaces. The physeal growth zones were disorganized. Conclusion: Prenatal diagnosis is useful to detect this type of skeletal anomaly in order to indicate medical termination of the pregnancy earlier. Fetopathological examination and skeletal radiographs are mandatory in order to establish a precise diagnosis allowing a suitable genetic counselling.

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