Iranian society of Radiology Jam-e-jam and Kourosh medical imaging centers Jalal Jalal Shokouhi-M.D.

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Iranian society of Radiology Jam-e-jam and Kourosh medical imaging centers Jalal Jalal Shokouhi-M.D.

Posterior fossa Pseudo mass or lesionPseudo mass or lesion CongenitalCongenital infectioninfection Inflammation Inflammation VascularVascular Benign tumorBenign tumor Malignant tumorMalignant tumor FX, TraumaFX, Trauma

Pseudo mass: Asymmetric cerebellar flocculus Asymmetric choroid plexus Marrow foci around I.A.C. Congenital: Epidermoid cyst Arachnoid cyst LipomaNF2

Infection:MeningitisCysticercosis Ramsy haunt T.B.Inflammation:Sarcoidosis Pseudo tumor cerebri

Vascular:C.V.A.A.V.M. Aneurysm: V.B., Pica, Aica Benign tumor: Vestibular schwannoma Meningioma Facial nerve schwannoma Chroid plexus papilloma

Malignant tumor: Met`s, Brain stem glioma Ependymoma Melanotic schwannoma HemangioblastomaMedulloblastomaTruma:FXHematoma

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TB

Arnold chiary 2