11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... Cystic #Cysts #Differential ... #Comparison #Table
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Resonance Imaging (MRI ... hemangioma, Focal nodular ... #Contrast #CT #MRI ... POCUS #radiology #differential ... diagnosis #comparison #table
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... heliotrope, shawl sign ... Inflammatory #Myopathies #differential ... #rheumatology #table
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Summary table of ... terminal duct lobular ... bruising/erythema/sign ... diseases #benign #differential ... surgery #causes #table
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... Behcet disease) Differential ... spondyloarthritis • Ocular ... Leukemia, Lymphoma Ocular ... diagnosis #management #signs
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
MRI, iADL scale, ... (parkinsonian signs ... MNCD #Dementia #Differential ... Workup #Diagnosis #Geriatrics
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
mass and NO prior signs ... NOT interpret MRI ... Differential diagnosis ... Tendon Sheath - Nodular ... Has blooming on MRI
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... it difficult to differentiate ... pain, such as MI ... Pericarditis #Symptoms #Signs ... Presentation #comparison #Table
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... purpura: Strong sign ... oligoclonal bands • MRI ... Cogan syndrome: Ocular
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... pneumonia (PJP), MAI ... • CT: Halo sign ... consolidation or nodular ... AIDS #pulmonary #differential