14 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... - (Reiter’s syndrome ... like “butterfly rash ... #Differential #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... #skin #rashes #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... of Systemic Lupus ... Photosensitivity, Butterfly rash ... of hip (rare), Arthritis ... Demyelinating syndromes
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Diagnosis Algorithm ... • Systemic Lupus ... Sicca) Syndrome ... Inflammatory #JointPain #MSK ... #Differential #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... Clinical Features ... vein thrombosis Hematologic
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... High-risk Features ... #Diagnosis #Dermatology ... #Differential # ... Ddxof
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... Clinical Presentation ... Petechial or purpuric rash ... SJIA], systemic lupus ... Diagnosis #Management #Hematology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Seronegative Reactive Syndrome ... Intra-articulation fracture ... Effusions: - Hematologic ... #diagnosis #msk
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... SLE), Sjogren's Syndrome ... , Sjögren Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... Differential diagnosis ... • Inflammatory Arthritis ... • Stress fracture ... #Heel #clinical