18 results
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
in Sickle Cell Disease ... predispose to other orthopedic ... common sites: hip ... #differential # ... diagnosis #causes #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... PT, aPTT(liver disease ... K), H. pylori test ... thyroid function test ... Causes #Workup #hematology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Vasculitis: - Ig A (HSP ... IgM deposits • Nodular ... Vasculitis: • Behcet Disease ... Vasculitis #skin #dermatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... fraction < 20% Differential ... Coxsackie, CMV, EBV, HIV ... • Ocular: uveitis ... management #treatment #rheumatology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Clinical features ... Noncontiguous spread • Clinical ... involvement Differential ... Lymphomas • Other hematologic ... #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... ulceration • Ocular ... Behcet syndrome (Clinical ... ) Differential Diagnosis ... signs #symptoms #rheumatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin Disease ... • Pull test ... texture at bald spots ... #Diagnosis #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral Infection Clinical ... Mycoplasma, EBV, HIV ... younger pts) Differential ... • Diagnostic Test ... hemolytic #anemia #hematology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
cellulitis w/ black spots ... chronic liver disease ... hemolytic anemia, CKD, hiv ... rash #cellulitis #dermatology ... #legs #clinical
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Clinical ... pulmonary emboli, and ocular ... Diagnosis: • + Clinical ... • TTP, HUS and HIT ... #hematology