9 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Pain Rash ... Amyloidosis • Eosinophilic ... Sarcoidosis • GPA ... #joint #pain #skin ... #rashes #differential
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential ... Diagnosis Algorithm ... Vascular #JointPain #MSK ... #Differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
surfaces of the joints ... Maculopapular rash ... burning sensation or pain ... reticularis Differential ... #dermatology #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... lesions • Severe pain ... RA, Sjogren's, GPA ... #Differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: - Eosinophilia ... > PR3 60% • GPA ... vesicular eruption - Joints ... mucositis - Rash ... • ANCA (Dx: GPA
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... Lyme disease, Vasculitis ... Amyloidosis • Eosinophilic ... #pain #differential ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... vesicular eruption • Joints ... , mucositis • Rash ... MPO > PR3 60/ GPA ... Palpable purpura, joint
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... pain/Night sweats ... Intra-articulation fracture ... Osteosarcoma - Eosinophils ... #diagnosis #msk
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Entities That Can Feature ... Scleromyxedema (CNS+GI+CVS+joints ... Episodic angioedema+eosinophilia ... Paraproteinemias #Hematology ... #Monoclonal #Differential