19 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
gangrenosum • IBD ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... arteritis • Takayasu's ... Vasculitis: • Behcet Disease ... #dermatology #rheumatology ... #differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... Differential Diagnosis ... #dermatology #rash ... #diagnosis #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Clubbing - IBD ... Spondyloarthropathy-IBD ... Scleroderma Thickened skin ... #differential #diagnosis ... #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD ... , Celiac disease ... #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Algorithm Spurious ... Inflammatory: • IBD ... disorders • Celiac disease ... #Hematology
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis ... Algorithm Normal ... • Cushing's Disease ... Celiac, IBD) • ... #Differential #Diagnosis
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
- Differential Diagnosis ... Algorithm Labs ... Structural: Celiac disease ... Tropical sprue, IBD ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... vasculitis - GPA ... #Differential #Diagnosis ... #hematology #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... ): • Takayasu: ... and branches • GCA ... Differential Diagnosis ... #rheumatology #