34 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Origin (FUO) - Differential ... Lemierre's syndrome ... Malignancy: - Hematologic ... ): Lupus, Rheumatoid ... (Temporal arteritis
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... RA: rheumatoid arthritis ... SLE : systemic lupus ... CTILD #Diagnosis #Differential ... #Comparison #Table
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... , Cogan's Syndrome ... (RA), Systemic lupus ... Sara Dong @swinndong ... #Diagnosis #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
GI - Felty syndrome ... , Vasculitis (e.g ... , Marfan syndrome ... #joint #pain #differential ... #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... connective tissue disease ... Juvenile Idiopathic Arthritis ... SLE), Sjogren's Syndrome ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence ... SLE), Sjogren's Syndrome ... , Sjögren Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... #skin #rashes #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain - Differential ... • Rheumatoid Arthritis ... • Systemic Lupus ... Sicca) Syndrome ... JointPain #MSK #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... • Malignancy (e.g ... . hematologic) ... pancreatitis, protein-losing ... vein thrombosis Hematologic
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... . lupus, CLL, lymphoma ... Extravascular #Causes #differential ... #diagnosis #hematology