Congenital anomaly of craniovertebral junction: atlas-dens fusion with C1 anterior arch cleft.
A rare case of congenital atlantoaxial block is reported. A 13-year-old boy had a fusion of a non-separated odontoid process with the anterior arch of the atlas, in association with an anterior midline C1 arch cleft.
Pérez-Vallina
José R
JR
Servicio de Rehabilitación, Hospital Carmen y Severo Ochoa, Cangas del Narcea, Spain.
Riaño-Galán
Isolina
I
Cobo-Ruisánchez
Angeles
A
Orejas-Rodriguez-Arango
Gonzalo
G
López-Muñiz
Carlos
C
Fernández-Martínez
José M
JM
D000293:Adolescent; D001270:Cervical Atlas / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D002574:Cervical Vertebrae / Q000002:abnormalities / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D009809:Odontoid Process / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D011859:Radiography