52 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Gangrenosum: Autoimmune disorder ... ulceration of the skin ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #Gangrenosum #UCSDH
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
Von Willebrand Disease ... inherited bleeding disorder ... bruising • Skin ... factor VIII) Treatment ... #Diagnosis #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Sequestration Disordered ... Connective Tissue Disorders ... Bleeding #Bruising #Differential ... Algorithm #Causes #Hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
Lymphoproliferative disorders ... Myeloproliferative disorders ... thrombocythemia), Autoimmune disease ... Diagnosis #Management #treatment ... #hematology #differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... • Rheumatic disorders ... • Celiac disease ... effect following treatment ... Algorithm #Causes #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Splenomegaly - Differential ... • Gaucher's Disease ... Myeloproliferative disorders ... Spleen #Enlarged #Differential ... Algorithm #Causes #Hematology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... of hair, eyes, skin ... • Addison's disease ... #skin #dermatology ... #Differential #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... glucocorticoid treatment ... symptoms (eg, skin ... #Algorithm #Differential ... #diagnosis #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology