45 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
4m • Atypical Features ... - Atypical Clinical ... ophthalmoplegia), systemic signs ... atypical symptoms): MRI ... Management #Treatment #Neurology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... high index of clinical ... heart valves • MRI ... often seen • MRI ... #table
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
and Causes • Clinical ... pericarditis • Rule out differential ... Characteristic features ... #Myocarditis #differential ... #cardiology #MRI
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Resonance Imaging (MRI ... #POCUS #radiology ... #differential # ... diagnosis #comparison ... #table #appearance
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... and radiographic features ... Imaging: - MRI ... #Infections #differential
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... heliotrope, shawl sign ... : Diagnosis of exclusion ... Inflammatory #Myopathies #differential ... #rheumatology #table
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... pulmonary etc) • CNS ... Lack of UMN/LMN signs ... EMG) studies • MRI ... #Diagnosis #neurology
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
mass and NO prior signs ... or clinical history ... surgeon had a clinical ... Differential diagnosis ... #clinical #Radiology