160 results
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH ... lab findings in HLH ... : ↑↑ ferritin, Anemia ... cell lines) • ↑ ferritin ... Lymphohistiocytosis #diagnosis #hematology
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
> 1000 Ferritin ... HLH or Adult Onset ... Hematologic Malignancy ... Sideroblastic anemia ... In adults, HLH is
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... hypersensitivity syndromes • HLH ... with leukopenia, anemia ... dehydrogenase • ↑ Ferritin ... Diagnosis #Management #Hematology
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
HLH 2. ... histoplasmosis #Ferritin ... Differential #Diagnosis #Hematology
Iron Panel Interpretation

Iron deficiency - ↓ Iron, ↑-nl Transferrin / TIBC, ↓ Transferrin Saturation,  ↓
Saturation, ↓ Ferritin ... Anemia of chronic ... Saturation, ↑-nl Ferritin ... Saturation, ↑-nl Ferritin ... #differential #hematology
Iron Deficiency Anemia (IDA)
Tests:
 • MCV/RBC - RBC ↓ in proportion to the ↓ in hemoglobin
Iron Deficiency Anemia ... synthesis • Ferritin ... Iron #Deficiency #Anemia ... #IDA #ferritin ... Fe #diagnosis #hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Globin Synthesis Ferritin ... TlBC > 18% • Anemia ... #Microcytic #Anemia ... Algorithm #Causes #Hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency Anemia ... Algorithm Labs: Ferritin ... Iron #Deficiency #Anemia ... Diagnosis #Algorithm #ferritin ... #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... erythematosus • HLH ... Differential #Diagnosis #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... MCHC, Serum Iron, Ferritin ... • Anemia of Chronic ... Non-lmmune #Anemia ... Algorithm #Causes #Hematology