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‫الرحيم‬‫الرحمن‬‫اهلل‬‫بسم‬
An Article By
Dr. Ahmed Esawy
MBBS M.Sc MD
Intracranial cystic lesion DD introduction Dr Ahmed Esawy CT MRI  part 1
Congenital cystic lesions
• 1-arachnoid cysts
• 2-porencephalic cyst,
• 4-multicystic encephalomalacia
• 3-hydranencephaly
• 5-holoprosencephaly
• 6-hydrocephalus (aqueduct stenosis)
• 7-periventricular leukomalacia (PVL),
• 8-septum pellucidum changes CSP CV CI
• 9-dandy walker malformation
• 10-dandy walker varaint
• 11-mega cisterna magna
• 12-schizencephaly
• 13-conatal cysts
• 14-subependymal cysts
Post traumatic cystic lesion
)sequelae(late
• 15-encephalomalacia,
• 16-subarachnoid cyst
• 17-cystic lesions after brain surgery
and radiation injury to the brain.
• 18-Leptomeningeal cyst
• 19-Post traumatic porenencephally
Inflammatory and infectious
cysts:
• 20-brain abscess
• 21-cysticercosis
• 22-hydatid cyst.
• 23-amoebic abscess
VASCULAR
• 24-Aneurysm
• 25-Parenchymal Perianeurysmal Cystic
Changes in the Brain
• 26-Vein of Galen malformation
Tumors and tumors like cysts
27-epidermoid cysts
28-dermoid cyst (cystic teratoma)
29-craniopharyngioma
30-cystic astrocytoma
31-cystic meningioma
32-cystic shwannoma
33-hemangioblastoma
34-cystic metastasis
35-cystic pituitary adenoma
36-Cystic degeneration / necrotic neoplasm
andNonneoplastic
cystsinflammatory-non
• 37-colloid cysts
• 38-Rathke’s cleft cysts,
• 39-neuroepithelial cysts
• 40-neuroenteric cysts
• 41-pineal cysts.
• 42-Choriod plexus cyst
• 43-CSF-Iike Choroidal Fissure and Parenchymal Cysts of the Brain
• 44-Trigonal cyst
• 45-Interhemispheric cyst
• 46-Dorsal cyst
• 47-Ependymal cysts
• 48-Enlarged VRS
• 49-Cystic trapped 4th ventricle
• 50-Diverticulation of 3rd , lateral ventricle
Intracranial cystic lesion DD introduction Dr Ahmed Esawy CT MRI  part 1

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Intracranial cystic lesion DD introduction Dr Ahmed Esawy CT MRI part 1

  • 2. An Article By Dr. Ahmed Esawy MBBS M.Sc MD
  • 4. Congenital cystic lesions • 1-arachnoid cysts • 2-porencephalic cyst, • 4-multicystic encephalomalacia • 3-hydranencephaly • 5-holoprosencephaly • 6-hydrocephalus (aqueduct stenosis) • 7-periventricular leukomalacia (PVL), • 8-septum pellucidum changes CSP CV CI • 9-dandy walker malformation • 10-dandy walker varaint • 11-mega cisterna magna • 12-schizencephaly • 13-conatal cysts • 14-subependymal cysts
  • 5. Post traumatic cystic lesion )sequelae(late • 15-encephalomalacia, • 16-subarachnoid cyst • 17-cystic lesions after brain surgery and radiation injury to the brain. • 18-Leptomeningeal cyst • 19-Post traumatic porenencephally
  • 6. Inflammatory and infectious cysts: • 20-brain abscess • 21-cysticercosis • 22-hydatid cyst. • 23-amoebic abscess
  • 7. VASCULAR • 24-Aneurysm • 25-Parenchymal Perianeurysmal Cystic Changes in the Brain • 26-Vein of Galen malformation
  • 8. Tumors and tumors like cysts 27-epidermoid cysts 28-dermoid cyst (cystic teratoma) 29-craniopharyngioma 30-cystic astrocytoma 31-cystic meningioma 32-cystic shwannoma 33-hemangioblastoma 34-cystic metastasis 35-cystic pituitary adenoma 36-Cystic degeneration / necrotic neoplasm
  • 9. andNonneoplastic cystsinflammatory-non • 37-colloid cysts • 38-Rathke’s cleft cysts, • 39-neuroepithelial cysts • 40-neuroenteric cysts • 41-pineal cysts. • 42-Choriod plexus cyst • 43-CSF-Iike Choroidal Fissure and Parenchymal Cysts of the Brain • 44-Trigonal cyst • 45-Interhemispheric cyst • 46-Dorsal cyst • 47-Ependymal cysts • 48-Enlarged VRS • 49-Cystic trapped 4th ventricle • 50-Diverticulation of 3rd , lateral ventricle