Category Immunology

Karl Landsteiner

Karl Landsteiner (1868-1943) revolutionized medicine with the discovery of blood groups and the Rh factor, laying the foundation for modern transfusion and 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…

Immunological-Inquisition-340

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?

Immunological-Inquisition-340

Sulfa Drug Discombobulation

Is it safe to give a patient frusemide if he has an allergy to sulfa drugs? Are you feeling slightly immunologically discombobulated? The answer's here.

Immunological-Inquisition-340

Traumatic Angioedema

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