29 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... • Artifact (redo ... • Rheumatic disorders ... • Celiac disease ... effect following treatment
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... to Systemic Diseases ... • Nephrotic syndrome ... Systemic #Secondary #dermatology ... #Differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Non-blanchable, dark red ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #Diagnosis #hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... thrombocythemia), Autoimmune disease ... vonWillebrand #Syndrome ... Diagnosis #Management #treatment ... #hematology #differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome ... Glucocorticoids, IL-1B, ATRA
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... arteritis, Cogan's Syndrome ... (IgG4-RD), Rheumatoid ... Cancer, Histiocytic disorders ... #Diagnosis #rheumatology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... - Differential ... Responsive to Treatment ... Amy Chung, MD, MSc ... pathophysiology #Hematology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Knee Effusion Red ... Seronegative Reactive Syndrome ... Effusions: - Hematologic ... #diagnosis #msk
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... younger pts) Differential ... antibodies sensitize red ... and passage of red-brown ... hemolytic #anemia #hematology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Legg-Calve-Perthes disease ... - HIV - Lyme disease ... Leg Pain Red ... lower #extremity #msk