Pyknodysostosis: report of a rare case with review of literature
Kiran Kumar Kotagudda Ramaiah, Giju Baby George, Sheeba Padiyath, Rupak Sethuraman, Babu Cherian,
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( Kiran Kumar Kotagudda Ramaiah ) - Mar Baselios Dental College Department of Oral Medicine
( Giju Baby George ) - Mar Baselios Dental College Department of Oral Medicine
( Sheeba Padiyath ) - Mar Baselios Dental College Department of Oral Medicine
( Rupak Sethuraman ) - Mar Baselios Dental College Department of Oral Medicine
( Babu Cherian ) - Mar Baselios Dental College Department of Prosthodontics
KMID : 1024020110410040177
Abstract
Pyknodysostosis is a rare autosomal recessive disorder characterized by the post natal onset of short limbs, short stature, and generalized hyperostosis along with acro-osteolysis with sclerosis of the terminal phalanges, a feature that is considered essentially pathognomonic. Other features include persistence of fontanelles, delayed closure of sutures, wormian bones, absence of frontal sinuses, and obtuse mandibular gonial angle with relative mandibular prognathism. We report a case of 17-year-old girl who presented with a chief complaint of retention of deciduous teeth. General physical examination demonstrated short stature, frontal and parietal bossing, depressed nasal bridge, beaked nose, hypoplastic midface, wrinkled skin over the finger tips, and nail abnormalities. Radiographs showed multiple impacted permanent and supernumerary teeth, hypoplastic paranasal sinuses with acro-osteolysis of terminal phalanges, and open fontanelles, and sutures along with wormian bones in the lambdoidal region.
키워드
Pyknodysostosis; Craniofacial Abnormalities; Dysostoses; Acro-Osteolysis
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