Ectromelia

Ectromelia
Ectromelia
	a,b) Radiographs show left upper limb ulnar hemimelia
Specialty	Orthopedic

Ectromelia is a congenital condition where long bones are missing or underdeveloped.^[1] Examples include:

References

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Congenital abnormality syndromes
Craniofacial	Acrocephalosyndactylia Apert syndrome Carpenter syndrome Pfeiffer syndrome Saethre–Chotzen syndrome Sakati–Nyhan–Tisdale syndrome Bonnet–Dechaume–Blanc syndrome Other Baller–Gerold syndrome Cyclopia Goldenhar syndrome Möbius syndrome
Short stature	1q21.1 deletion syndrome Aarskog–Scott syndrome Cockayne syndrome Cornelia de Lange syndrome Dubowitz syndrome Noonan syndrome Robinow syndrome Silver–Russell syndrome Seckel syndrome Smith–Lemli–Opitz syndrome Snyder–Robinson syndrome Turner syndrome
Limbs	Adducted thumb syndrome Holt–Oram syndrome Klippel–Trénaunay–Weber syndrome Nail–patella syndrome Rubinstein–Taybi syndrome Gastrulation/mesoderm: Caudal regression syndrome Ectromelia Sirenomelia VACTERL association
Overgrowth syndromes	Beckwith–Wiedemann syndrome Proteus syndrome Perlman syndrome Sotos syndrome Weaver syndrome Klippel–Trénaunay–Weber syndrome Benign symmetric lipomatosis Bannayan–Riley–Ruvalcaba syndrome Neurofibromatosis type I
Laurence–Moon–Bardet–Biedl	Bardet–Biedl syndrome Laurence–Moon syndrome
Combined/other, known locus	2 (Feingold syndrome) 3 (Zimmermann–Laband syndrome) 4/13 (Fraser syndrome) 8 (Branchio-oto-renal syndrome, CHARGE syndrome) 12 (Keutel syndrome, Timothy syndrome) 15 (Marfan syndrome) 19 (Donohue syndrome) Multiple Fryns syndrome