MANDIBLE-AND-MAXILLA

DENTIGEROUS CYST?

“ Due to excessive fluid accumulation associated with the cap of unerupted molars (key to diagnosis). In total, 80% are mandibular and they rarely become malignant. The key features of cystic lesions in the maxilla and mandible are summarised in Table PLAIN FILM •  Well-corticated, unilocular cyst associated with an unerupted molar.•  Look for a fracture …

DENTIGEROUS CYST? Read More »

“ODONTOGENIC KERATOCYST “

“ Aggressive behaving cystic mandibular/maxillary lesion, linked to Gorlin-Goltz syndrome (multiple keratocysts, kyphoscoliosis, bifid ribs and meningiomas). PLAIN FILM •  Expansile unilocular cystic mass with a sclerotic rim•  May displace or extrude teeth ” For Radiology Cases, Discussion join: Radiology Made Easy on Facebook  Subscribe to our youtube channel for FRCR radiology case discussion  Join …

“ODONTOGENIC KERATOCYST “ Read More »

Cystic lesions of the maxilla and mandible

“ ask yourself three questions: what is the relation to the tooth? Is it a unilocular or multilocular cyst? How old is the patient? Cyst characteristic Differential Unilocular, related to the dentition Periapical/radicular cyst (painful)Dentigerous cyst (at the crown of an unerupted tooth) Unilocular, not related to dentition less than 30 years of age: odontogenic …

Cystic lesions of the maxilla and mandible Read More »

“AMELOBLASTOMA”

“ This is the most common odontogenic tumour. It is benign but locally aggressive. It cannot be differentiated from a dentigerous cyst or odontogenic keratocyst with imaging. PLAIN FILM •  Large, multilocular, expansile lucent lesion in the posterior mandible.•  ‘Honeycomb/soap bubble’ appearance.•  Typically involves the lower premolars and molars. MRI •  Contains a soft tissue …

“AMELOBLASTOMA” Read More »

“GIANT CELL GRANULOMA”

“ Reactive inflammatory process due to infection or trauma. It affects the mandible more than the maxilla. It is associated with gingivitis, fibrous dysplasia and Paget disease. PLAIN FILM •  Multilocular, well-defined cyst with a thin sclerotic margin CT •  Heterogeneous contrast-enhancing mass ” For Radiology Cases, Discussion join: Radiology Made Easy on Facebook  Subscribe …

“GIANT CELL GRANULOMA” Read More »

“CEMENTOMA”

“ Benign, mineralised lesion with a lucent halo. It is self-limiting and usually incidental unless infected. PLAIN FILM •  Multiple expansile sclerotic lesions with adjacent lucency centred on the tooth apices.•  It is the only lytic and sclerotic lesion in this location.•  Bilateral and symmetrical. ” For Radiology Cases, Discussion join: Radiology Made Easy on …

“CEMENTOMA” Read More »

“PERIAPICAL/RADICULAR CYST”

“ This is the most frequently encountered mandibular cyst. It occurs due to caries or infection and is painful. PLAIN FILM •  Found at root of the affected tooth•  Unilocular, less than 1 cm and with a sclerotic margin•  May form an abscess ” For Radiology Cases, Discussion join: Radiology Made Easy on Facebook  Subscribe …

“PERIAPICAL/RADICULAR CYST” Read More »

Scroll to Top