11 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... malignancies • Anemia ... vera (PV) • Myelodysplastic ... syndrome • Myelofibrosis ... #secondary
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
of chronic kidney ... Hypothyroidism, Myelodysplastic ... syndrome - Dr ... morphologic #mcv #differential ... diagnosis #causes #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Liver diseases, Myelodysplastic ... syndrome, Increased ... PD deficiency, Pulmonary ... key #diagnosis #differential ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
DDX: Rule Out Secondary ... Causes • Anemia ... Marrow Failure • Chronic ... blood count with differential ... #hematology #oncology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Creatinine & BUN: • Chronic ... renal failure/uremia ... Myelodisplastic syndrome ... #primary #secondary
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Discoloration • Medications ... discoloration) • Chronic ... • Nephrotic syndrome ... #dermatology #Differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... hemolysis, deficiency anemia ... Kawasaki, Nephrotic syndrome ... • Reaction to Medications ... • Infections: Chronic
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary ... Creatinine & BUN: • Chronic ... renal failure/uremia ... Myelodisplastic syndrome ... #secondary #systemic
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
pneumonitis • Medication-induced ... Methotrexate ILD Secondary ... Churg Strauss syndrome ... pneumonia: Acute, Chronic ... ILD #diagnosis #differential
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
sweats, bleeding • Pruritis ... develop leukostasis syndrome ... - infiltrates (anemia ... • Tumor lysis syndrome ... bone marrow and secondary