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

What?
A subset of
Macrophage Activation ... underlying disease (eg ... • Infection (eg ... #Management #Hematology ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... Non-autoimmune rheumatologic ... • Malignancy (e.g ... Endocrine disorders (e.g ... Chronic B-cell activation
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
endothelial cell activation ... other pathology (e.g ... (short-acting, e.g ... vasodilators (ERAs ... Renal #Crisis #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
▪ Infections (e.g ... pro-inflammatory cytokines (e.g ... Immunosuppression (e.g ... anti-IFN-γ antibodies (e.g ... #Hematology #HemeOnc