Friday, 8 June 2007

Radicular cyst

General features:
Also known as periapical cyst
Most common cyst of jaw
30 - 50 years
Painless
Periapical inflammatory lesion secondary to pulpal necrosis in tooth

Imaging:
Round, unilocular, lucent lesions in periapical region with thin rim of cortical bone
Associated tooth has deep restoration or large carious lesion
May displace adjacent teeth or mild root resorption

Management:
Enucleation and may be retrograde surgical endodontic treatment or toothe extraction of tooth or root fragment

Reference:
Scholl, RJ et al. Cysts and Cystic Lesions of the Mandible: Clinical and Radiologic-Histopathologic Review. Radiographics. 1999;19:1107-1124