19 results
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Diagnosis Algorithm ... Lymphadenopathy #LAD ... #Differential # ... #Causes #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Diagnosis Algorithm ... Lymphadenopathy #LAD ... Diagnosis #Algorithm ... #Causes #Hematology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... (5%): PAN > GPA ... (3%) • Infections ... #semiology #signs ... pathology #lesions #differential
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
• This patient had ... mass and NO prior signs ... the hand surgeon had ... Differential diagnosis ... #rheumatology
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... Infrapatellar fat-pad ... - Hoffa fat pad ... tibial tuberosity Differential ... #diagnosis #msk
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... skin lesions, LAD ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... nervous system: Brain ... • Infectious: Brain ... Lack of UMN/LMN signs ... EMG) studies • MRI
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... purpura: strong sign ... retinopathy Lab ... #rheumatology #
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
obscuring Hoffa's fat pad ... infrapatellar fat pad ... (Hoffa fat pad) ... Differential diagnosis ... within Hoffa fat pad
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... oligoclonal bands • MRI ... tract, and often causes ... Diagnosis #Rheumatology