46 results
Aplastic Anemia and Bone Marrow Failure Syndromes with Pancytopenia

Fanconi Anemia
Acquired Aplastic Anemia
Dyskeratosis Congenita & Telemore Biology
Aplastic Anemia ... Marrow Failure Syndromes ... Shwachman-Diamond Syndrome ... #Pancytopenia #Syndromes ... #diagnosis #Hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Giardiasis #Erythema ... #Dermatology #SkinRash
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Iron-deficiency anemia ... Sideroblastic anemia ... Myelodysplastic syndrome ... Hemolytic uremic syndrome ... #differential #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema ... Lyme disease Erythema ... Eosinophilic fasciitis Erythema ... Antiphospholipid-antibody syndrome ... differential #diagnosis #rheumatology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Framework for Anemia ... thalassemia • Anemia ... Normocytic" • Anemia ... Myelodysplastic syndrome ... diagnosis #causes #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... reactions • Erythema ... #rheumatology #
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
hemolytic-uremic syndrome ... macroangiopathic hemolytic anemia ... " • HELLP syndrome ... differential #diagnosis #hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Constitutional Syndromes ... Constitutional Syndromes ... marrow-failure syndromes ... myelodysplastic syndrome ... #oncology #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 ... Wiskott-Aldrich syndrome ... Differential #Diagnosis #Hematology