3 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
life Causes and clinical ... lesions - Wheals ... histology - Mast cell ... #rheumatology # ... comparison #table
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
a "wood-grain" appearance ... classic targetoid lesions ... #comparison #table ... #differential # ... diagnosis #dermatology
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
present as a single lesion ... space-occupying lesions ... extramedullary lesions ... primary solitary lesion ... #Workup #Hematology