18 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lesions + toxo ... nodules, may also see ... #Brain #differential ... #diagnosis #causes
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... Differential diagnosis ... Multiple Sclerosis: CNS ... hyperreflexia, multiple lesions ... hyperreflexia, spinal cord lesion
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Imaging: - MRI ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Periphyseal Edema (FOPE lesion ... ) - MSK Radiology ... : • FOPE lesions ... (save $$) Differential ... Periphyseal #Edema #lesion
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... The MRI findings ... condition can be ... initial forehead lesions ... HZO #clinical #video
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
fracture and Perthes lesion ... This is a Perthes lesion ... stripping → Perthes lesion ... INSTABILITY • GLAD lesion ... fracture #Perthes #lesion
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
WITHOUT Bankart lesion ... Differential diagnosis ... Reverse HAGL (RHAGL) lesion ... shoulder #clinical #mri ... Radiology #diagnosis #msk
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
nervous system (CNS ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
2-hyperintense lesion ... This lesion displays ... surrounding the lesion ... • The lesion is ... ordered if the lesion
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... compressive cord lesion ... less swollen - Lesion ... or optic nerve lesions ... simplex virus, HIV