18 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
hemorrhage) • Chronic ... inflammatory disorders ... Myelodysplastic syndrome ... Myelofibrosis (MF) • Chronic ... Diagnosis #Causes #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Polycythemia Vera • Chronic ... : • Acute or Chronic ... Inflammatory: ... disorders • Celiac disease ... Algorithm #Causes #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Non-Malignant • Amyloidosis ... • Gaucher's Disease ... vera, essential thrombocytosis ... myelofibrosis) Inflammatory ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Approach to Thrombocytosis ... myelosuppressive agents • Inflammatory ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Syphilis, Lyme disease ... , Leprosy • Inflammatory ... , Sarcoidosis, Amyloidosis ... Paraprotein-associated (POEMS syndrome ... diagnosis #causes #neurology
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
amyloid A (AA) → Chronic ... Bronchiectasis, Chronic ... the extent of disease ... : • Nephrotic syndrome ... Carpal tunnel syndrome
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Vascular (SDH), Inflammatory ... paraneoplastic syndromes ... ), Inflammatory, ... - Systemic: Chronic ... neurocognitive disease
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Dermatomyositis Erythema chronicum ... Scleroderma • Amyloidosis ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Autoimmune / Inflammatory ... Obstructive Pulmonary Disease ... Neurologic • ... Fatigue Syndrome ... #Chronic #Fatigue
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... Gastrointestinal inflammatory ... : • Nephrotic syndrome ... Malignancies • Chronic ... (Epstein-Barr syndrome