INTRA-AXIAL-INFECTION

“HIV ENCEPHALITIS “

“ Causes atrophy of the white matter, especially the centrum semiovale.  In adults, it causes the ‘AIDS dementia complex’; in children, it causes HIV-associated progressive encephalopathy.  Appearances improve with treatment. MRI  •  Diffuse bilateral symmetrical periventricular white matter lesions with characteristic sparing of the grey matter•  No enhancement post-contrast•  Cerebral atrophy Axial T2  (a) and …

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Central nervous system lesions in HIV and AIDS

“ Location Abnormality HIV encephalitis Diffuse, bilateral, symmetrical Periventricular white matter lesions Diffuse atrophy Patchy T2 White matter vacuolation No contrast enhancement Toxoplasmosis Basal ganglia Corticomedullary junction Thalamus Multiple enhancing lesions, tT2 and diffusion-weighted imaging Mass effect Vasogenic oedema Haemorrhagic Primary central nervous system lymphoma Deep white matter Cortex/peri ventricular location Corpus callosum Solid/rim enhancement …

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CENTRAL NERVOUS SYSTEM INFECTION WITH HIV AND AIDS

“Two-thirds have intra-axial central nervous system infection at some point.  The most common manifestations are  HIV encephalitis,  toxoplasmosis,  cryptococcosis,  cytomegalovirus,  herpes simplex virus,  mycobacterial tuberculosis,  progressive multifocal leukoencephalopathy and neurosyphilis  ” For Radiology Cases, Discussion join: Radiology Made Easy on Facebook  Subscribe to our youtube channel for FRCR radiology case discussion  Join our Telegram group: …

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