31 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... Macrocytic RBC: Vitamin B12 ... iron deficiency anemia ... RBC #Morphology #differential ... #diagnosis #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Diseases: • GATA2 ... deficiency • Fanconi’s anemia ... telomeropathy Cancer ... consumption • Vitamin B12 ... #Diagnosis #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Autoimmune • ITP • SLE ... • CLL • APLA ... #Causes #Hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... - infiltrates (anemia ... lymphoid organs When Cancer ... lymphocytic lymphoma (SLL ... #Oncology #Diagnosis
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Diagnosis Infectious ... Non-Infectious: • Rheumatologic ... : SLE, Rheumatoid ... • Metabolic: Uremia ... #cardiology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Leukemia - Summary Cancer ... non-Hodgkin lymphoma SLL ... cells can indicate disease ... • Neutropenia, anemia ... #workup #oncology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... Chronic kidney disease ... infiltration (e.g. cancer ... #anemia #differential ... #diagnosis #calculation
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
hemolysis, deficiency anemia ... Rebound effect from treatment ... Malignancy: Metastatic cancer ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD, Celiac disease
Dyspnea - Considerations with Malignancy
Directly Malignancy Related:
 - Lymphangitic spread to lung
 - Malignant pleural effusion
metastases Treatment ... Radiation induced disease ... - Cytopenias (anemia ... #diagnosis #oncology ... #cancer #malignancy
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... erythematosus (SLE ... Other Causes: Cancer ... #Diagnosis #rheumatology