12/21/20151 jalal jalal shokouhi-m.d. isr, jam-e-jam,kourosh medical imaging center...

04/21/23 1

Jalal Jalal Shokouhi-M.D.

ISR, Jam-e-Jam,Kourosh medical imaging center

jalaljalalshokouhi@hotmail.com

25 year imaging of Mandible

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Infla. Poriodontal OsteoradionecrosisInfe. Root abscess Osteomyelitis

Fibro osseaus lesions Fibrous dysplasia Ossifying fibroma Paget disease

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Benign odotogenic tumors Ameloblastoma Odontoma Cemetoblastoma

Benign non odontogenic Tu. Exostosis, Osteoma, Osteochondroma, Chondroma, Synovial chondromatosis, Giant cell lessions

Malignant Tu. O.S ,E.S , Non-Hodgkin lymphoma Burkit L. , M.M , Leukemia , Langerhanss cell histiocytosis

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Anatomy-based imaging issues

F.X : CT Axial- CoronalMd is a ring -Find 1 F.X, search for a 2nd

-If no 2nd F.X , check TMJ dislocation

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Tumor :

Erosion from oral or nasopha.

Stage 4 Scca V3 perineural tumors :

chin, Md , checking : inf. Alveolar canal, Md foramen , Masticator space , Foramen oval , Meckle cave

Infection CECT

TMJ= MRI open-closed mouth, CT for F.X

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Condyle, Coronoid , Notch, Md foramen, Inf.alveolar Nerve, Mandibular V3 Mental foramen,Mental nerve, Vessels Mandibular canal

Mx= Maxilla Md=

Mandible

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DDx: Mandibular Fracture Mimics

Lingula Alveolar canal

Nutrient canal Mental foramen

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AMELOBLASTOMA, MANDIBLE-MAXILLA

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DDx: Cystic Mandible-Maxilla

Root abscess

Dentigerous Cyst

Odontogen. Keracyst

Fibrous Dysplasia

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Osteosarcoma, Mandible-Maxilla

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Aggressive Mandibular Lesion

MetastasesAmeloblastoma

Tooth Abscess

Comminuted Fx

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Burkitt Lymphoma,Mandible-Maxilla

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DDx: Mandibular Mass

Dentigerous Cyst

Metastasis

Ameloblastoma

Osteosarcoma

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DDx: Lucent Lesioncof Mandible or Maxilla

Periodontal Disease

Ameloblastoma

Dentigerous Cyst

Odontogen. Keratocyst

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DENTIGEROUS CYST, MANDIBLE-MAXILLA

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DDx: Cystic Mandibular Lesion

Radicular cyst

Metastasis

Odontogen. Keracyst

Ameloblastoma

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Thank you

for your attention