The Radiology of Benign Neoplasms

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TheRadiologyofBenign Neoplasms
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TheRadiologyofBenign Neoplasms
II. Non-Odontogenic
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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms

• 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

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The Radiology of Benign Neoplasms

• 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

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The Radiology of Benign Neoplasms

• Central giant cell lesion
• Central giant cell granuloma

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

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The Radiology of Benign Neoplasms

• Central giant cell lesion
• Central giant cell granuloma

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

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The Radiology of Benign Neoplasms

• 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

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The Radiology of Benign Neoplasms

• Central giant cell lesion
• Central giant cell granuloma

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The Radiology of Benign Neoplasms
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The Radiology of Benign Neoplasms

• 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

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The Radiology of Benign Neoplasms

• Giant cell tumor
• True giant cell tumor

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

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The Radiology of Benign Neoplasms

• Giant cell tumor
• True giant cell tumor

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms

• Hemangioma
• Haemangioma

• Intraosseous hemangioma
• Extraosseous hemangioma

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The Radiology of Benign Neoplasms

• Hemangioma
• Haemangioma

• Intraosseous hemangioma
• Extraosseous hemangioma

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The Radiology of Benign Neoplasms

• Intraosseous Hemangioma

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

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The Radiology of Benign Neoplasms

• Intraosseous Hemangioma

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

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The Radiology of Benign Neoplasms

• Hemangioma
• Haemangioma

• Intraosseous hemangioma
• Extraosseous hemangioma

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The Radiology of Benign Neoplasms

• Extraosseous Hemangioma

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

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The Radiology of Benign Neoplasms

• Intraosseous Hemangioma

• may have hypo- or hyperplasia of
• neighboring bone

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Neurofibroma

• Solitary
• Neurofibromatosis

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Neurofibroma

• Solitary
• Neurofibromatosis

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Neurofibroma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Fibroma

• radiolucent
• unilocular
• corticated
• may look like cyst

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Cortical and Cancellous osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Cortical and Cancellous osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Cortical osteoma (Ivory osteoma)

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Cancellous osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Gardner Syndrome

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Non-Odontogenic

• Gardner Syndrome

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Gardner Syndrome

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoid osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoid osteoma

• bulls-eye appearance
• subperiosteal
• radiopaque nidus, radiolucent band,
• sclerotic border

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoma cutis

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoblastoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Osteoblastoma

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

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The Radiology of Benign Neoplasms
Non-Odontogenic

• Giant cell lesion
• Hemangioma (Haemangioma)
• Neurofibroma
• Fibroma
• Osteoma
• Osteoblastoma
• Chondroma

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The Radiology of Benign Neoplasms