Infections and demyelinating/dysmyelinating lesions

Question 1

cystericosis

Stages ? - 4

Answer 1

Taenia Solium
cystic lesion, rim enhancement surrounding oedema
scolex

stages
1 -
2 -
3 -
4 -

Question 2

Toxoplasmosis

Answer 2

multiple enhancing parenchymal lesions with surrounding vasogenic oedema
BASAL GANGLIA is favoured site

Question 3

Primary CNS lymphoma

Answer 3

looks like toxoplasmosis
BASAL GANGLIA

Question 4

CJD

Answer 4

Look at FLAIR/DWI
hyperintense caudate and putamen
Symmetric ribbon like hyperintensity or cerebral cortex

Question 5

Neurosarcoid

Answer 5

nodule leptomeningeal

Question 6

Cerebritis

Answer 6

FLAIR - hyperintense T2 oedema & swelling of the cerebellar hemispheres

Question 7

ADEM

Answer 7

Follows acute viral infection

Question 8

HIV encephalopathy

Answer 8

white matter

Question 9

PML

Answer 9

infection of immunosuppressed
caused by reactivation of latent JC virus

Question 10

Demyelinating disease
1 - MS
2 - Age related demyelination
3 - CADASIL

Answer 10

3 - Ischaemic changes in middle age

Question 11

Dysmyelinating disease
1 - Metachromatic leukodystrophy
2 - Adrenal leukodystrophy
3 - Leigh disease
4 - Alenxander
5 - Canavan

Answer 11

white matter

Question 12

Infection related demyelination
1- Herpes encephalitis
2 - ADEM
3 - Subacute sclerosing panencephalitis
4 - PML
5 - HIV encephlopathy

Answer 12

changes?

Question 12

Infection related demyelination
1- Herpes encephalitis
2 - ADEM
3 - Subacute sclerosing panencephalitis
4 - PML
5 - HIV encephlopathy

Answer 12

changes?

Question 13

Toxic/metabolic demyelination
1- central pontine myelinolysis
2 - PRES
3- Miarchiafava-Bignami disease
4 - Wernicke encephalopathy
5 - Radiation Necrosis

Answer 13

Changes ?