19 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... arthritis (sJIA) • Adult-onset ... • Fever is the main ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... neuropathy so trauma ... #Joint #Pain #MSK ... #rheumatology #
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's ... Disease Clinical ... Differential Diaqnoses ... Complications: MAS ... #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: Overwhelming clinical ... age, however the disease ... also observed in adults ... #management #treatment ... #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... trauma (e.g., meniscal ... #Pain #MSK #rheumatology ... #differential #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
accumulation of clinical ... Assessment • Clinical ... : SLE+++, Adult-onset ... Still disease, ... #management #treatment
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Noninflammatory • Trauma ... arthritis • Adult ... #Diagnosis #MSK ... #rheumatology #
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
lesions + Rheumatic pain ... Clinical Features ... • A clinical diagnosis ... osteoarticular and skin disease ... #diagnosis #management
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Phosphatase Of Clinical ... Adult form: Less ... Low ALP in adult ... Malnutrition • Wilson's disease ... (muscle/joint)
Iliotibial Band Friction Syndrome - MSK Radiology
Imaging Findings:
 • The iliotibial band (ITB) is thickened with
Friction Syndrome - MSK ... anterolateral knee pain ... Findings of chronic disease ... • Direct trauma ... #msk #clinical