14 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... Myelodysplastic syndrome ... #Causes #hematology ... #secondary
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Hypersplenism • Secondary ... (e.g. ... RA, SLE, PRV, Chronic ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Myelodysplastic syndrome ... #morphologic #mcv ... #differential #diagnosis ... #causes #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Iron deficiency anemia ... discoloration) • Chronic ... • Nephrotic syndrome ... #Diagnosis #Algorithm ... #causes
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... - Differential Diagnosis ... Causes: Chronic ... Secondary to Inflammation ... #Hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Neoplastic / Hematologic ... • Anemia • ... • Drug Abuse (e.g ... Fatigue Syndrome
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Creatinine & BUN: • Chronic ... renal failure/uremia ... Myelodisplastic syndrome ... Pruritus #primary #secondary
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
DDX: Rule Out Secondary ... CausesAnemia ... Marrow Failure • Chronic ... #diagnosis #hematology ... #oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... • Neutropenia, anemia ... • Richter’s Syndrome ... #workup #oncology ... #hematology