Chondrodysplasia, enchondromas and a chest deformity causing severe pulmonary morbidity in a boy with a PTHLH duplication: A case report

Carline E. Tacke, Suzanne W.J. Terheggen-Lagro, Annemieke M. Boot, Astrid S. Plomp, Abeltje M. Polstra, Rick R. van Rijn, Peter A.A. Struijs, Henk van den Berg, Christiaan F. Mooij

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Samenvatting

Parathyroid hormone-like hormone (PTHLH) plays an important role in bone formation. Several skeletal dysplasias have been described that are associated with disruption of PTHLH functioning. Here we report on a new patient with a 898 Kb duplication on chromosome 12p11.22 including the PTHLH gene. The boy has multiple skeletal abnormalities including chondrodysplasia, lesions radiographically resembling enchondromas and posterior rib deformities leading to a severe chest deformity. Severe pulmonary symptoms were thought to be caused by limited mobility and secondary sputum evacuation problems due to the chest deformity. Imaging studies during follow-up revealed progression of the number of skeletal lesions over time. This case extends the phenotypic spectrum associated with copy number variation of PTHLH.

Originele taal-2Engels
Artikelnummer101067
TijdschriftBone Reports
Volume14
DOI's
StatusGepubliceerd - jun. 2021
Extern gepubliceerdJa

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