Libianto, R., Wu, K. H., Devery, S., Eisman, J. A., & Center, J. R. (2019). KBG syndrome presenting with brachydactyly type E. Bone, 123, 18-22.
We report the case of a young woman who presented at age 10 years with height on the tenth centile, brachydactyly type E and mild developmental delay. Biochemistry and hormonal proﬁles were normal. Diﬀerential diagnoses considered included Albright hereditary osteodystrophy without hormone resistance (a.k.a pseudopseudohypoparathyroidism), 2q37 microdeletion syndrome and acrodysostosis. She had a normal karyotype and normal FISH of 2q37. Whole genome sequencing (WGS) identiﬁed a mutation in the ANKRD11 gene associated with KBG syndrome. We review the clinical features of the genetic syndromes considered, and suggest KBG syndrome be considered in patients presenting with syndromic brachydactyly type E, especially if short stature and developmental delay are also present.
KBG syndrome, ANKRD11 gene, skeletal disorder, brachydactyly type E
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