49 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Interstitial lung disease ... viruses. systemic lupus ... and Sjogren's syndrome ... #vasculitis #differential ... #diagnosis
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential ... Rhinitis - Allergic Dermatitis ... Asthma Tugs (vasculitis ... Hypereosinophilic Syndrome ... #hematology
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Diagnosis? ... myxoma, Behcet disease ... foods, autoimmune diseases ... collagen vascular diseases ... University Infectious Diseases
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Diseases ... necrolysis - Systemic Disease ... • Systemic lupus ... Inflammatory bowel disease ... more than Crohn's disease
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Peripheral edema, Disease-specific ... , Behcet disease ... Complex: Systemic lupus ... Goodpasture's Disease ... dysmorphic RBCs) • Disease-specific
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... Amyloidosis • Eosinophilic ... Sarcoidosis • Crohn's disease ... lesions • Discoid lupus
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung Diseases ... Connective Tissue Disease ... connective tissue disease ... bronchiolitis-interstitial lung disease ... Interstitial #Lung #Diseases
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
and less common diseases ... Vogt-Koyanagi-Harada (VKH) disease ... • Systemic lupus ... polychondritis • Behcet disease ... #inflammatory #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... rheumatic diseases ... atherosclerotic disease ... most important diseases ... differential #diagnosis
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Lemierre's syndrome ... Non-infectious Inflammatory Diseases ... onset Still's disease ... dysfunction, Castleman disease ... , Kikuchi disease