25 results
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Megaloblastic Anemia ... (e.g. ... cells: Sickle cell disease ... Smear #Analysis #hematology ... #microscopy #interpretation
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Diseases Nail ... Iron deficiency anemia ... halt nail growth (e.g ... • Nephrotic syndrome ... #Secondary #dermatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Vasculitis, e.g ... - Vasculitis, e.g ... Microscopic polyangiitis ... #diagnosis #table ... #rheumatology #
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... iron deficiency anemia ... Autoimmune hemolytic anemia ... differential #diagnosis #hematology ... #microscopy #atlas
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... differential #diagnosis #hematology
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... in tumor lysis syndrome ... disease Magnesium ... urease-producing organisms (e.g ... Crystals #comparison #table
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
• Reactive (e.g ... Enteropathic (e.g ... Arthritis • Systemic ... Sicca) Syndrome ... Enteropathic (e.g
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Increased Requirement (e.g ... • Pancreatic Disease ... Myelodysplastic Syndromes ... • Liver Disease ... Algorithm #Causes #Hematology
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
manifestations (e.g ... retroorbital mass) • Microscopic ... Interstitial lung disease ... and C viruses. systemic ... and Sjogren's syndrome
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
(eg, systemic juvenile ... • Infection (eg ... with leukopenia, anemia ... Diagnosis #Management #Hematology ... #Rheumatology