Dental panoramic radiograph showing<unk>  in the right mandible, below the inferior alveolar nerve canal (arrowed, appears on lower left of image). This x-ray was taken for an unrelated assessment of wisdom teeth, and the<unk>  was a chance finding. computed tomograph of the same person. The<unk>  appears as a well corticated 1 cm round defect in the medial cortex of the mandible in the right angle of the jaw (arrowed). computed tomograph of the same person<unk>  arrowed). The<unk>  (also termed<unk> 's idiopathic bone cavity,<unk>  bone cavity,<unk>  bone cyst (misnomer), lingual mandibular salivary gland depression, lingual mandibular cortical defect, latent bone cyst, or static bone cyst) is a depression of the mandible, most commonly located on the lingual surface (the side nearest the tongue). The<unk>  is thought to be a normal anatomical variant, as the depression is created by ectopic salivary gland tissue associated with the submandibular gland and does not represent a pathologic lesion as such.
Stafne defect
Keyhole defect
Double aortic arch
Situs ambiguus
First arch syndrome
Pulmonary hypoplasia
Pulmonary agenesis
Pulmonary atresia