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

What?
A subset of
Macrophage Activation ... Petechial or purpuric rash ... with leukopenia, anemia ... 5000 to 10,000 ng/mL ... #Management #Hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Still disease, dermatomyositis ... Malignancy (e.g. hematologic ... lymphopenia, low PLT • Anemia ... La, anti-Jo-1, SCL ... Chronic B-cell activation
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... IFN-y) → Excessive activation ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... excessive macrophage activation ... Ferritin >500 ng/mL ... Lymphohistiocytosis #diagnosis #management ... #treatment #hematology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... and pernicious anemia ... Pathophysiology ... Anti-GAD Ab (>1000u/ml ... SPS #Diagnosis #Management
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... • Erythematous rash ... dorsal part of the MCP ... #diagnosis #management ... dermatology
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
microangiopathic hemolytic anemia ... (MAHA) Pathophysiology ... endothelial cell activation ... of arteries Management ... Renal #Crisis #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
recognition and management ... Syndrome) 3. ... - Cytopenias (anemia ... Pathophysiology ... #Hematology #HemeOnc
TAFRO

TAFRO syndrome was first described in 2010, standing for:
- Thrombocytopenia
- Anasarca
- Fever
- Reticulin fibrosis
- Organomegaly

TAFRO syndrome
of idiopathic MCD ... cell lymphoma Pathophysiology ... mimics that of MCD ... TAFRO #diagnosis #management ... #rheumatology #
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Disease (CPPD) Pathophysiology ... locations: Wrist, MCP ... Crowned Dens Syndrome ... Deposition #Disease #Rheumatology ... #diagnosis #management