Dr. Gerald Diaz @GeraldMD
32.8M 13.9K 7.4K
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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CNS Ring-Enhancing Lesions - Differential Diagnosis
 β€’ Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Ring-Enhancing Lesions ... - Differential Diagnosis ... usually multiple lesions ... #Differential #Diagnosis ... #neurology #radiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 β€’ Toxoplasmosis (CD4 < 100)
 β€’ Other
Ring-Enhancing Lesions ... Chorioretinitis β€’ Diagnosis ... #differential #diagnosis ... #causes #radiology ... #neurology
MAGIC DR – a handy mnemonic used to remember the potential causes of a cerebral ring
ring enhancing lesion ... Radiation necrosis #Diagnosis ... #Radiology #Mnemonic ... RingEnhancing #Lesions
Neurological Patterns of Weakness
 β€’ Hemispheric lesion
 β€’ Brainstem lesion
 β€’ Spinal cord lesion
 β€’ Polyneuropathy
β€’ Hemispheric lesion ... β€’ Brainstem lesion ... β€’ Spinal cord lesion ... β€’ Myopathy #Neurology ... Patterns #Weakness #diagnosis
CNS Ring-Enhancing Lesions - Differential Diagnosis Framework

Ring Completeness
 β€’ Incomplete: Demyelinating Disease
 β€’ Complete (MAGIC):
Ring-Enhancing Lesions ... - Differential Diagnosis ... Ring #Enhancing #Lesions ... #Differential #Diagnosis ... #neurology #neuroradiology
McDonald Criteria for Diagnosis of Multiple Sclerosis
 β€’ 2 or more attacks, 2 or more lesions
McDonald Criteria for Diagnosis ... attacks, 2 or more lesions ... more attacks, 1 lesion ... McDonald #Criteria #Diagnosis ... Sclerosis #MS #neurology
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
intraparenchymal lesion ... A lesion greater ... made, because lesions ... listed in the table ... #EBM #Radiology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... ringenhancing #lesions ... #cns #brain #diagnosis ... algorithm #causes #radiology ... #neurology
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... β€’ Aggressive lesion ... #Bone #Tumors #Diagnosis ... #Differential #Radiology ... #XRay #msk #lesions
Diagram of different types of bone tumors that can occur around the knee on XRay -
other aggressive lesion ... #Bone #Tumors #Diagnosis ... #Differential #Radiology ... pediatrics #msk #lesions