8393 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
accumulation of clinical ... Assessment • Clinical ... dysfunction, ↑ Ferritin ... • Autoimmune diseases ... Adult-onset Still disease
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
highly inflammatory disease ... fever syndromes Clinical ... Fever is the main clinical ... of underlying disease ... dehydrogenase • ↑ Ferritin
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: Overwhelming clinical ... age, however the disease ... cell activity • Ferritin
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Hyperferritinemia Pearl: Diseases ... Still's disease ... histoplasmosis #Ferritin
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
auricular papules Clinical ... Ferritin levels ... severity of the disease
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... TSH level, serum ferritin ... ANA and RF (if clinical ... connective-tissue disease ... #Rheumatic #Disease
Iron Panel Interpretation

Iron deficiency - ↓ Iron, ↑-nl Transferrin / TIBC, ↓ Transferrin Saturation,  ↓
Saturation, ↓ Ferritin ... Saturation, ↑-nl Ferritin ... Saturation, ↓-↑-nl Ferritin ... Saturation, ↑-nl Ferritin
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Differential Diagnosis Ferritin ... > 1000 Ferritin ... hepcidin prevents ferritin ... Common Causes Ferritin ... Common Causes Ferritin
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Hodgkin Lymphoma - Clinical ... Increased Serum Ferritin ... number of sites of disease
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Anemia of Chronic Disease ... - Ferritin-best ... Anemia #Chronic #Disease