Brain and Spines

Monday, February 20, 2012

Acoustic neuroma(cystic)

Cystic acoustic neuroma

Posted by Mohamed Mohyeldin at 12:10 AM

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Brain Pearls:

1-5-9-DD multiple patchy lesions*** (1)
1-6-2-Ischemia and Infarction*** (1)
1-6-3-Cerebral Hemorrhage*** (1)
2-1-9-Brain Tumors*** (1)
7-5-2- Cervical Spine Pathology***. (1)
Brain Anomalies*** (1)
Brain Infection*** (1)
Brain MRI Know How*** (1)
Degenerative Brain Diseases*** (1)
Dementia*** (1)
Imaging Spectrum of CNS Vasculitis*** (1)
Lumbar Disc Disease*** (1)
Neurologic Pearls 1 *** (1)
Neurologic Pearls 2 *** (1)
PET-CT Introduction*** (1)
Traumatic Brain Injury: Imaging Patterns and Complications*** (1)

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medscape radiology
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About Me

Mohamed Mohyeldin: MD in radiology since 1991. Current position: Consultant of radiology in one of the most famous medical companies in Egypt.

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Lectures

Pr.D.Mamdouh Mahfouz Lectures

v-1-1-Brain normal-U-SW (1)
v-1-2-Brain N -Clinicians-A (1)
v-1-3-Brain tumors-J-SW (1)
v-1-4-Brain tumors I (1)
v-1-5-Brain tumors II (1)
v-1-6-Cerebro-vascular lesions (1)
v-1-7-CVS-Clinicians-A (1)
v-1-8-IC vascular Lesions (1)
v-1-9-Sella-D (1)
v-2-1-Cortical_formation-KU (1)
v-2-2-Hydrocephalus-R-KU (1)
v-2-3-MRI-Basic-HN (1)
V-2-4-Intracranial Calcifications.wmv (1)
v-2-5-Posterior fossa tumors (1)
v-2-6-Intra cranial calcification (1)
v-2-7-Intracranial Infections (1)
v-5-1-Spine N-Clinicians-E (1)
v-5-2-Spine normal-L (1)
v-5-3-Spinal deg. disease=L (1)
v-5-4-LBP-Clinicians-E (1)
v-5-5-Spinal infection-L (1)
v-5-6-Spine neoplastic-L (1)
v-5-7-Spinal dysraphism-L (1)
v-5-8-Spine post.operative-L (1)

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Index of contents

1-Radiologist For Ever(main page)
2-Brain and Spines Section
3-Chest Section
4-Abdominal Section
5-Obstetric and Gynaecology Section
6-Ultrasound Section
7-MRI musculo-skeletal section
8-Bone Section
9-Elastography Section
Radiology Spirit (general web site)

Differential Section

Differential Diagnosis

1-5-7-D.D.Chronic infarction from chronic hematoma (1)
1-8-7-Cerebral MR angiography versus cerebral MR perfusion (1)
2-1-2-D.D.Arachnoid cyst / Epidermoid cyst by diffusion (1)
2-7-1-Imaging of posterior fossa (1)
2-7-2-Fourth ventricle lesions (1)
2-7-8-D.D.Ependymoma from Medulloblastoma (1)
2-8-3-Cerebello-Pontine Angle Lesions (1)
2-8-4-D.D.Intra axial versus extra axial Lesion (1)
2-9-3-D.D.of Cerebello-pontine angle lesions (1)
3-2-6-D.D. of hypo dense and hypo intense lesion in CT and T1 images with hyper intense in T2 image (1)
3-2-7-D.D.using DWI (1)
4-2-5-D.D.of vascular malformation (1)
5-2-5-D.D.of water bag skull (1)
5-2-7-D.D.Posterior fossa cyst (1)
5-2-9-D.D.Types of Chiari Malformation (1)
5-3-2-D.D.Colpocephaly (1)
5-4-2-D.D.Schizencephaly/porencephaly (1)

Brain Section

Anatomy

0-0-1-Preparation of the patient (1)
0-0-2-Scanogram (1)
0-0-3-Brain anatomy (CT) (1)
0-0-4-Brain Anatomy (MRI) (1)
0-0-5: Mesial temporal lobe anatomy (1)

Stroke

1-1-1-Acute Infarction and diffusion (1)
1-1-2-Time course of an ischemic infarction (1)
1-1-3-DW and perfusion-weighted MR imaging for assessment of stroke evolution (1)
1-1-4-Summary of Diffusion Perfusion mismatch (1)
1-1-5-DW imaging reliability in acute stroke (1)
1-1-6-Diffusion imaging in different brain lesions (1)
1-1-7-DWI conclusion (1)
1-1-8-Anterior cerebral artery teritory (1)
1-1-9-Middle cerebral artery teritory (1)
1-2-1-Posterior cerebral artery teritory (1)
1-2-2-Super imposed map (1)
1-2-3-Cerebral vascular teritory (1)
1-2-4-Blood supply of basal ganglia (1)
1-2-5-PICA infarction (1)
1-2-6-PICA infarction (1)
1-2-7-Superior cerebellar artery teritory infarction (1)
1-2-8-Anterior cerebral artery (1)
1-2-9-Anterior choroidal artery (1)
1-3-1-Middle cerebral artery (1)
1-3-2-Lenticulostriate arteries (1)
1-3-3-Lenticulo-striate infarction (1)
1-3-4-luxury perfusion (1)
1-3-5-Posterior cerebral artery (1)
1-3-6-Posterior cerebral artery infarction (1)
1-3-7-Watershed Infarcts (1)
1-3-8-Watershed infarction (1)
1-3-9-Watershed Infarcts (1)
1-4-1-Watershed Infarcts (1)
1-4-2-Watershed Infarcts (1)
1-4-3-Lacunar Infarcts (1)
1-4-4-Lacunar infarcts (1)
1-4-5-Lacunar infarcts (1)
1-4-6-PRES (1)
1-4-7-Cerebral venous thrombosis (1)
1-4-8-Venous sinus thrombosis (1)
1-4-9-Deep cerebral vein thrombosis (1)
1-5-1-Cerebro-vascular stroke (1)
1-5-2- Mass Effect (1)
1-5-3-Intra cranial hemorrrhage (1)
1-5-4-Infarction (1)
1-5-5-Hemorrhagic infarction (1)
1-5-6-Lacunar infarction (1)
1-5-7-D.D.Chronic infarction from chronic hematoma (1)
1-5-8-Acute infarction (1)
1-5-8-Diffusion and hypoglycemia (1)
1-5-9-DD multiple patchy lesions*** (1)
1-6-1-D.D.between MS and Ischemic disease. (1)
1-6-2-Ischemia and Infarction*** (1)
1-6-3-Cerebral Hemorrhage*** (1)
2-1-9-Brain Tumors*** (1)
7-5-2- Cervical Spine Pathology***. (1)
Degenerative Brain Diseases*** (1)

Perfusion Imaging

1-8-1-Perfusion Imaging (1)
1-8-2-Gadolinium Bolus Perfusion Imaging (1)
1-8-3-Figure 2 (1)
1-8-4-Arterial Spin Labeling Perfusion Imaging (1)
1-8-5-Diffusion-Weighted Imaging (1)
1-8-6-Clinical Application of Diffusion and Perfusion MR Imaging (1)
1-8-7-Cerebral MR angiography versus cerebral MR perfusion (1)
1-8-8-Mechanism of perfusion MRI (1)
1-8-9-Types of vascular MRI studies (1)
1-9-0-Perfusion Variables (1)

Brain Tumors

2-1-1-Extra axial cerebral masses and DWI (1)
2-1-2-D.D.Arachnoid cyst / Epidermoid cyst by diffusion (1)
2-1-3-ADC and astrocytoma grade (1)
2-1-4-Brain tumors MRI terminology (1)
2-1-5-Homogenous enhancement of the brain tumors (1)
2-1-6-Brain tumors with heterogeneous enhancement (1)
2-1-7-Conclusion of brain tumors (1)
2-1-8-Brain Tumors (1)

Posterior Fossa Lesions

2-7-1-Imaging of posterior fossa (1)
2-7-2-Fourth ventricle lesions (1)
2-7-3-Ependymoma (1)
2-7-4-Ependymoma (1)
2-7-5-Ependymoma (1)
2-7-6-Primitive Neuro-epithelial Tumors(PNET) (1)
2-7-7-Medulloblastoma (1)
2-7-8-D.D.Ependymoma from Medulloblastoma (1)
2-7-9-Medulloblastoma (1)
2-8-1-Medulloblastoma (1)
2-8-2-Epidermoid cyst fourth ventricle (1)
2-8-3-Cerebello-Pontine Angle Lesions (1)
2-8-4-D.D.Intra axial versus extra axial Lesion (1)
2-8-5-Acoustic Neuroma (1)
2-8-6-Acoustic neuroma(small) (1)
2-8-7-Acoustic neuroma(large) (1)
2-8-8-Acoustic neuroma(cystic) (1)
2-8-9-Acoustic neuroma bilateral (1)
2-9-1-Meningioma (1)
2-9-2-CPA Epidermoid cyst (1)
2-9-3-D.D.of Cerebello-pontine angle lesions (1)
2-9-4-Cerebellar Lesions (1)
2-9-5-Von Hippel Lindau Syndrome (1)
2-9-6-Cerebellar and Cerebral Deposits (1)
2-9-7-Brain stem lesions (1)

Brain Infection

3-1-1-DWI and Abscess (1)
3-1-2-DWI and Herpes encephalitis (1)
3-1-3-Causes of intra cranial infection (1)
3-1-4-Congenital and neonatal infection (1)
3-1-5-Toxoplasmosis (1)
3-1-6-Congenital HIV infection (1)
3-1-7--Intra cranial infection (1)
3-1-8-Cysticercosis (1)
3-1-9-Meningitis (1)
3-2-1-Epi dural empyema (1)
3-2-2-Sub dural empyema (1)
3-2-3-Encephalitis (1)
3-2-4-Herpes simplex type 2 (1)
3-2-5-ADAM (1)
3-2-6-D.D. of hypo dense and hypo intense lesion in CT and T1 images with hyper intense in T2 image (1)
3-2-7-D.D.using DWI (1)
3-2-8-Meningitis (1)
3-2-9-Cerebritis (1)
3-3-0-Ventriculitis (1)
3-3-1-Granulomatous infection (1)
3-3-2-Fungal infection (1)
3-3-3-Hydatid cyst (1)
3-3-4-AIDS infection (1)
3-3-5-Characteristic Imaging Findings of Brain Infection (1)

Brain Hemorrhage

4-1-1-DWI and hemorrhage (1)
4-1-2-Traumatic Brain Injuries: Effects of damage to different lobes of the brain (1)
4-1-3-Traumatic Brain Injury: How it affects the brain (1)
4-1-4-Overview of Traumatic Brain Injury (TBI) (1)
4-1-5-Diffuse Axonal Injury (1)
4-1-6-Vascular Malformation (1)
4-1-7-Aneurysms (1)
4-1-8-Types of and Location of Cerebral Aneurysms (1)
4-1-9-AVM (1)
4-2-1-MRI T2 AVM (1)
4-2-2-Cryptic AVM (1)
4-2-3-Cavernous angioma (1)
4-2-4-Venous angioma (1)
4-2-5-D.D.of vascular malformation (1)

Miscelleanous Pathologies

5-1-1-Hydrocephalus (1)
5-1-2-CSF Production (1)
5-1-3-Causes of Hydrocephalus (1)
5-1-4-Causes of lateral ventricular hydrocephalus (1)
5-1-5-Hydrocephalus including lateral and third ventricles (1)
5-1-6-Hydrocephalus including lateral (1)
5-1-7-Obstructive communicating hydrocephalus (1)
5-1-8-Trapped fourth ventricle (1)
5-1-9-1-Normal pressure hydrocephalus. (1)
5-1-9-Normal pressure hydrocephalus (1)
5-2-0-Non obstructive hydrocephalus (1)
5-2-1-1-Mesial temporal sclerosis. (1)
5-2-1-Shunt complication (1)
5-2-2-Holoprosencephaly (1)
5-2-3-Hydranencephaly (1)
5-2-4-Severe hydrocephalus (1)
5-2-5-D.D.of water bag skull (1)
5-2-6-Posterior fossa cystic malformations (1)
5-2-7-D.D.Posterior fossa cyst (1)
5-2-8-Chiari malformation (1)
5-2-9-D.D.Types of Chiari Malformation (1)
5-3-1-Corpus Callosum Anomalies (1)
5-3-2-D.D.Colpocephaly (1)
5-3-3-Disorders of neuronal migration (1)
5-3-4-Hemimegalencephaly (1)
5-3-5-Focal Cortical Dysplasia (1)
5-3-6-Dysembryoblastic Epithelial Tumors DNET (1)
5-3-7-Ganglioglioma (1)
5-3-8-Disorders of migration (1)
5-3-9-Lissencephaly (1)
5-4-1-Schizencephaly (1)
5-4-2-D.D.Schizencephaly/porencephaly (1)
5-4-3-Alzheimer's Disease (1)
5-4-4-Parkinson's Disease (1)
5-4-5-Huntington's Disease (1)
5-4-6-Status epilepticus. (1)
5-5-0-Intra cranial Calcification (1)

Spinal Section

Cervical Spine Pathologies

7-1-1-Normal Spinal Alignment (1)
7-1-2-Scheuermanns and Degenerative Kyphosis(video) | (1)
7-1-3-Anatomy of the Cervical Spine (1)
7-1-4-Anatomy and Motion of the Cervical Spine (video) (1)
7-1-5-Understanding X-rays of the Cervical Spine (video) (1)
7-1-6-Understanding an MRI of the Normal Cervical Spine (video) | (1)
7-1-7-Cervical Central Stenosis and Myelopathy (1)
7-1-8-Understanding the MRI of Cervical Stenosis with Spinal Cord Injury (1)
7-1-9-Cervical Deformity (1)
7-2-1-Cervical Degenerative Disc and Degenerative Facet Disease (1)
7-2-2-Herniated Disc Cervical Spine (1)
7-2-3-Cervical Foraminal Stenosis and Nerve Compression (1)
7-2-4-Understanding an MRI of Cervical Nerve Compression (1)
7-2-5-Cervical Spine Instability (1)
7-2-6-Klippel Feil Syndrome (Congenital synostosis of cervical vertebra) (1)
7-2-7-Cervical Radiculopathy (Pinched Nerve in Neck) (1)
7-2-8-Spinal canal stenosis (1)
7-2-9-Congenital Stenosis of the Cervical Spinal Canal (1)
7-3-1-Disc degeneration (1)
7-3-2-Disc lesions (1)
7-3-3-Bone marrow degenerative disease (1)
7-3-4-Spinal osteo-arthritis (1)
7-3-5-Herniated Disc Thoracic Spine (1)
7-3-6-Hyperkyphosis / Scheuermann's Disease (1)
7-3-7-Scoliosis (1)
7-3-8-Hump-back (1)
7-3-9-Arachnoiditis (1)
7-4-1-Lumbar Spinal Stenosis (Central Stenosis) (1)
7-4-2-Degenerative Spondylolisthesis Explained | Spine Instability (1)
7-4-3-Understanding the MRI of Lumbar Degenerative Spondylolisthesis and Spinal Stenosis (1)
7-4-4-Surgery for Degenerative Spondylolisthesis with Spinal Stenosis | Lumbar Surgery | CO Spine Expert (1)
7-4-5-Lumbar Degenerative Disc Disease or Low Back Pain (1)
7-4-6-Design Problems with the Lumbar Disc | Spine Genetics and Blood Supply | CO Spine Surgeon (1)
7-4-7-Lumbar Spine Degenerative Disc Disease | Herniated Discs | Isolated Disc Resorption | Spine Expert (1)
7-4-8-Reasons for Surgery for Low Back Pain | Orthopedic Spine Surgeon in Colorado (1)
7-4-9-Spine Conditions Repaired by Lumbar Fusion Using TLIF | Spine Surgeon in Colorado (1)
7-5-1-Retrolisthesis(progression) (1)
7-5-2- Cervical Spine Pathology***. (1)

Spinal Radiology

5-1-0-D.D.of vertebral bone lesion (1)
5-1-1-Common sclerotic bone lesions (1)
5-1-2-Uncommon sclerotic bone lesions (1)
5-1-3-Pure bone osteolytic lesions (1)
5-1-4-Osteolytic bone lesion+fluid level (1)
5-1-5-Osteolytic lesion+dots in matrix (1)
5-1-6-Osteolytic lesion+matrix calcification (1)
5-1-7-D.D.of benign versus malignant bone lesions (1)
5-5-1-Hemangioma (1)
5-5-2-MR Hemangioma (1)
5-5-3-D.D. of unusual hemangioma versus metastases (1)
5-5-4-Rules in vertebral lesions (1)
5-5-5-D.D.of single dense vertebra (1)
5-5-6-Anterior scalloping of the spine (1)
5-5-7-Spinal pathology classification (1)
5-5-8-Epidural lesions classification (1)
5-5-9-Epidural primary vertebral neoplasm (1)
5-6-1-Spinal Infection (1)
5-6-2-Disc lesion. (1)
5-6-3-Spinal chordoma (1)
5-6-4-Spinal deposits (1)
5-6-5-Spinal multiple myeloma (1)
5-6-6-Spinal fracture with hematoma (1)
5-6-7-Spinal lymphoma (1)
5-6-8-Disc degeneration and MRI (1)
5-6-9-Disc degeneration and CT (1)
5-7-1-Types of disc lesions (1)
5-7-2-Bone marrow degenerative changes and MRI (1)
5-7-3-Osteoarthritis (1)
5-7-4-Sub dural lesions (1)
5-7-5-Intra dural drop metastases (1)
5-7-6-Intra medullary lesions (1)
5-7-7-Spinal ependymomma (1)
5-7-8-Spinal astrocytoma (1)
5-7-9-Spinal dermoid cyst (1)
5-8-1-Spinal epidermoid (1)
5-8-2-Spinal multiple sclerosis (1)
5-8-3-Spinal sarcoid (1)
5-8-4-Spinal dysraphysm (1)
5-8-5-Dysraphysm changes (1)
5-8-6-Bone and meningeal pathology (1)
5-8-7-Cord pathology (1)
5-8-8-Other pathology (1)
5-8-9-How to diagnose dysraphysm (1)
5-9-0-Spinal cord inflammation (1)
5-9-1-D.D.of a single or multiple hyper intense spinal patch in T2. (1)
5-9-2-Meningitis (1)
5-9-3-Cerebritis (1)
5-9-4-Ventriculitis (1)
5-9-5-Granulomatous infection (1)
5-9-6-Fungal infection (1)
5-9-7-Cystecercosis. (1)
5-9-8-Hydatid cyst (1)
5-9-9-CNS manifestation of AIDS (1)
6-0-0-0-Degenerative diseases of the spines (1)
6-0-0-0-Spinal canal stenosis (1)
6-0-0-1-Disc lesions (1)
6-0-0-2-Bone marrow degenerative changes (1)
6-0-0-3-Bony changes (1)
6-0-0-4-Ligament pathology (1)
6-0-0-5-Vertebral displacement ( Spinal Instability ) (1)
6-0-0-6-Cord pathology (1)
6-0-0-7-Para vertebral shadows (1)
6-1-0-0-Post-operative spine (1)
6-1-0-1-Aim from post-operative spine aassessment by MRI or CT (1)

My References

Spine reference 1
Cerebral vascular teritory(2)
Cerebral vascular teritory
RSNA(DWI)

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Monday, February 20, 2012

Acoustic neuroma(cystic)

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