Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal Misdiagnosis

Thanatophoric dysplasia (TD) is a rare but uniformly lethal inherited disorder of the skeletal system resulting from defects in the fibroblast growth factor receptor-3 gene on the short arm of chromosome ##4. It is characterised by pronounced shortening of the tubular bones resulting in significant...

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Main Authors: Lamidi Audu, Amina Gambo, Tokan Silas Baduku, Bilkisu Farouk, Anisa Yahaya, Kefas Jacob
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Case Reports in Pediatrics
Online Access:http://dx.doi.org/10.1155/2022/3056324
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author Lamidi Audu
Amina Gambo
Tokan Silas Baduku
Bilkisu Farouk
Anisa Yahaya
Kefas Jacob
author_facet Lamidi Audu
Amina Gambo
Tokan Silas Baduku
Bilkisu Farouk
Anisa Yahaya
Kefas Jacob
author_sort Lamidi Audu
collection DOAJ
description Thanatophoric dysplasia (TD) is a rare but uniformly lethal inherited disorder of the skeletal system resulting from defects in the fibroblast growth factor receptor-3 gene on the short arm of chromosome ##4. It is characterised by pronounced shortening of the tubular bones resulting in significant short stature, macrocephaly, a funnel-shaped chest, protuberant abdomen, redundant skin in the limbs, and typical facies among others. The two clinical types of TD are differentiated by typical cranial and tubular bone configurations. Antenatal diagnosis is usually made in the last trimester and corroborated at birth. We present 2 cases of TD seen at Barau Dikko Teaching Hospital (BDTH) between January and August 2021 to highlight the potential difficulty with antenatal diagnosis, its diagnostic features, and associated early postnatal fatality. The antenatal diagnosis was missed in both cases in spite of repeated 2nd and 3rd-trimester sonographic examinations. Both babies presented with remarkable micromelic short stature with the telephone-handle appearance of the femoral bones characteristic of type 1 TD, developed progressive respiratory distress at birth, and died within 36 hours of life despite respiratory support with Bubble CPAP. These cases are discussed along with a review of existing relevant literature.
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spelling doaj-art-fe3f56c407f54123afeb7d8d250f618f2025-02-03T00:59:36ZengWileyCase Reports in Pediatrics2090-68112022-01-01202210.1155/2022/3056324Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal MisdiagnosisLamidi Audu0Amina Gambo1Tokan Silas Baduku2Bilkisu Farouk3Anisa Yahaya4Kefas Jacob5Department of Paediatrics and Child HealthDepartment of Paediatrics and Child HealthDepartment of Paediatrics and Child HealthDepartment of Paediatrics and Child HealthDepartment of RadiologyDepartment of RadiologyThanatophoric dysplasia (TD) is a rare but uniformly lethal inherited disorder of the skeletal system resulting from defects in the fibroblast growth factor receptor-3 gene on the short arm of chromosome ##4. It is characterised by pronounced shortening of the tubular bones resulting in significant short stature, macrocephaly, a funnel-shaped chest, protuberant abdomen, redundant skin in the limbs, and typical facies among others. The two clinical types of TD are differentiated by typical cranial and tubular bone configurations. Antenatal diagnosis is usually made in the last trimester and corroborated at birth. We present 2 cases of TD seen at Barau Dikko Teaching Hospital (BDTH) between January and August 2021 to highlight the potential difficulty with antenatal diagnosis, its diagnostic features, and associated early postnatal fatality. The antenatal diagnosis was missed in both cases in spite of repeated 2nd and 3rd-trimester sonographic examinations. Both babies presented with remarkable micromelic short stature with the telephone-handle appearance of the femoral bones characteristic of type 1 TD, developed progressive respiratory distress at birth, and died within 36 hours of life despite respiratory support with Bubble CPAP. These cases are discussed along with a review of existing relevant literature.http://dx.doi.org/10.1155/2022/3056324
spellingShingle Lamidi Audu
Amina Gambo
Tokan Silas Baduku
Bilkisu Farouk
Anisa Yahaya
Kefas Jacob
Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal Misdiagnosis
Case Reports in Pediatrics
title Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal Misdiagnosis
title_full Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal Misdiagnosis
title_fullStr Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal Misdiagnosis
title_full_unstemmed Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal Misdiagnosis
title_short Thanatophoric Dysplasia: A Report of 2 Cases with Antenatal Misdiagnosis
title_sort thanatophoric dysplasia a report of 2 cases with antenatal misdiagnosis
url http://dx.doi.org/10.1155/2022/3056324
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