21 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Pain Rash ... Antiphospholipid-antibody syndrome ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... leakage of RBC's secondary ... #Diagnosis #hematology ... #rheumatology #
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Diagnosis Algorithm ... Increased Requirement (e.g ... Myelodysplastic Syndromes ... #Causes #Hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- DRESS - AIN ... Asthma Tugs (vasculitis ... Hypereosinophilic Syndrome ... #Diagnosis #Causes ... #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... arteritis, Cogan's Syndrome ... Polyarteritis Nodosa (PAN ... #Diagnosis #rheumatology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential ... Peripheral Vascular Disease ... Marfan's Syndrome ... #Orthopedics #Causes
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Diagnosis Algorithm ... 18% • Anemia Secondary ... HgbE, HgbC, etc. ... Microcytic #Anemia #Macrocytosis ... #Causes #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... vesicular eruption - Joints ... differential #diagnosis ... #rheumatology # ... classification
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
lesions + Rheumatic pain ... Rule out other causes ... Tetracyclines etc ... osteoarticular and skin disease ... #Rheumatology #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Pain Eyes ... , Vasculitis (e.g ... #pain #differential ... #diagnosis #rheumatology