Incidental Findings on Cone Beam Computed Tomography Studies outside of the Maxillofacial Skeleton

Table 2

Frequency of incidental findings from 400 CBCT scans.

General category of incidental findings	Number of incidental findings	Incidental findings (%)
Soft tissue	194	29.71
Thyroid/triticeous calcification	106	16.24
Tonsilloliths	55	8.42
Stylohyoid ligament/stylomandibular ligament	33	5.05
Intracranial	176	26.96
Pineal gland	73	11.18
Intracranial vascular calcification	69	10.57
Choroid plexus	17	2.6
Petroclinoid	17	2.61
Cervical vertebrae	131	20.06
Osteoarthritis	107	16.38
Lytic lesion	2	0.31
Vertebral misalignment (antero/posterolisthesis)	6	0.91
Fusion	5	0.77
Prior surgery	2	0.31
Suspected hemangioma/pneumatocysts	9	1.38
Airway	75	11.49
Narrowing of pharyngeal airway	45	6.90
Adenoidal hypertrophy	23	3.52
Asymmetry of pharyngeal airway	7	1.07
Other
Carotid artery calcification	68	10.41
Lymph node	5	0.77
Calcification in subcutaneous tissue	1	0.15
Calcific tendonitis of the longus colli muscle	1	0.15
Skull base	2	0.3
Post. comm. artery aneurysm	1	0.15
Suspected clivus lesion	1	0.15