TheThe

RadiologyRadiologyofof

Benign NeoplasmsBenign Neoplasms

TheThe

RadiologyRadiologyofof

Benign NeoplasmsBenign Neoplasms

II. Non-OdontogenicII. Non-Odontogenic

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

• Central giant cell lesion Central giant cell granuloma• Peripheral giant cell lesion Peripheral giant cell granuloma• Giant cell tumor True giant cell tumor

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

• Central giant cell lesion Central giant cell granuloma• Peripheral giant cell lesion Peripheral giant cell granuloma• Giant cell tumor True giant cell tumor

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Central giant cell lesion

Central giant cell granuloma

• before 21 years • unknown nature• anterior to first permanent molars• painless

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• radiolucent, with “salt and pepper “ calcification• thin, wispy septa• resorption of teeth very common

Central giant cell lesion

Central giant cell granuloma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

• Central giant cell lesion Central giant cell granuloma• Peripheral giant cell lesion Peripheral giant cell granuloma• Giant cell tumor True giant cell tumor

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Central giant cell lesion

Central giant cell granuloma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

• Central giant cell lesion Central giant cell granuloma• Peripheral giant cell lesion Peripheral giant cell granuloma• Giant cell tumor True giant cell tumor

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• after 21 years • rare in jaws• posterior to first permanent molars• painful

Giant cell tumor

True giant cell tumor

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• considered by some to be variant of GCG• radiographic appearance similar to GCG

Giant cell tumor

True giant cell tumor

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• Intraosseous hemangioma• Extraosseous hemangioma

Hemangioma

Haemangioma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• Intraosseous hemangioma• Extraosseous hemangioma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Hemangioma

Haemangioma

• some may be true neoplasms, most are probably developmental• uncommon• no phleboliths

Intraosseous Hemangioma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• altered bone pattern• “moth-eaten” bone pattern• hypoplastic teeth

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Intraosseous Hemangioma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• Intraosseous hemangioma• Extraosseous hemangioma

Hemangioma

Haemangioma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

• may be some true neoplasms, most are probably developmental• common in head and neck area• phleboliths common

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Extraosseous Hemangioma

• may have hypo- or hyperplasia of neighboring bone

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Intraosseous Hemangioma

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

X

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Neurofibroma

• Solitary• Neurofibromatosis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Neurofibroma

• Solitary• Neurofibromatosis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Neurofibroma

• radiolucent• well-defined, corticated• unilocular or multilocular• hypo- or hyperplasia of neighboring bone

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Fibroma

• radiolucent• unilocular• corticated• may look like cyst

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoma

• Cortical osteoma• Cancellous osteoma• Osteoid osteoma• Osteoma cutis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoma

• Cortical osteoma• Cancellous osteoma• Osteoid osteoma• Osteoma cutis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Cortical and Cancellous osteoma

• almost exclusively in the skull and facial bones• most common in the paranasal sinuses

(frontal>ethmoid>maxillary>sphenoid)

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Cortical and Cancellous osteoma

• uncommon in the jaws• many so-called osteoma probably reactive or “burned-out fibrous dysplasia

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoma

• Cortical osteoma• Cancellous osteoma• Osteoid osteoma• Osteoma cutis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Cortical osteoma (Ivory osteoma)

• osseous neoplasm of cortical bone• many so-called osteoma probably reactive or “burned-out fibrous dysplasia

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoma

• Cortical osteoma• Cancellous osteoma• Osteoid osteoma• Osteoma cutis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Cancellous osteoma

• osseous neoplasm of cancellous bone• uncommon in the jaws• many so-called osteoma probably reactive or “burned-out fibrous dysplasia

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Gardner Syndrome

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Gardner Syndrome

• AD• multiple osteomas (one of first features)• polyposis of colon (polyps become malignant)• epidermoid and sebaceous cysts

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Gardner Syndrome

• desmoid skin tumors• impacted supernumerary and permanent teeth• odontomas

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoma

• Cortical osteoma• Cancellous osteoma• Osteoid osteoma• Osteoma cutis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoid osteoma

• osseous neoplasm of bone• uncommon in the jaws• may be painful

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoid osteoma

• bull’s-eye appearance• subperiosteal• radiopaque nidus, radiolucent band, sclerotic border

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoma

• Cortical osteoma• Cancellous osteoma• Osteoid osteoma• Osteoma cutis

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoma cutis

• non-neoplasm of bone• found in facial region• calcification in scar tissue

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoblastoma

• uncommon primary lesion of bone• occasionally in maxilla or mandible• mandible more than maxilla

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Osteoblastoma

• may be rapid and cause pain• tender to palpation• “radiolucent”

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

Giant cell lesion

Hemangioma (Haemangioma)

Neurofibroma

Fibroma

Osteoma

Osteoblastoma

Chondroma

Non-OdontogenicNon-Odontogenic

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms

The Radiology of Benign The Radiology of Benign NeoplasmsNeoplasms