4 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... Cold #Urticaria #diagnosis ... #rheumatology #comparison ... #table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... Anaphylaxis, Hay fever ... dermatitis, Tuberculin test ... #classification ... #comparison
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Red Flags: • Fever ... deficiency Work ... Fecal occult blood test ... #Algorithm #Causes
Unicentric Castleman Disease (UCD) vs Multicentric Castleman Disease (MCD) - Comparison Table

Unicentric Castleman Disease (UCD):
 •
Table Unicentric ... Systemic symptoms: fever ... biopsy, blood tests ... Variable; depends on cause ... #Table #Diagnosis