Category Immunology

Palmaris slapus abdominus

The world of urticarial pathophysiology and dermal manifestations of allergy and urticaria has always fascinated me – although I have found that clinically defining some of the finer sub-divisions allergic and non-allergic urticarias can be a little taxing (see causes mnemonic FIT…


Palpable Excitement

A 76 year-old man presents with a florid spreading violaceous rash over most of his body - Palpable Purpura - What is your differential diagnosis?

Traumatic Angioedema

A 33 year old caucasian female presented to the emergency department following minor trauma to her upper lip. Traumatic Angioedema?