ABSTRACT
A 35-year-old patient has a 4- to 6-week history of fever, loss of weight, anorexia and malaise. He has no fixed abode, and also complains of an irritating cough with purulent sputum. Examination shows him to be unkempt and pyrexial (his temperature is 39°C). He has cervical lymphadenopathy. He also has bruises over his legs. Investigations show
