The added value of peripheral blood cell morphology in the diagnosis and management of infectious diseases--part 2: illustrative cases.

The previous review dealt with the diagnostic yield of peripheral blood smear examination with regard to diagnosis of infectious diseases. In addition to the clinical data, it can provide information of major clinical significance. At times, it can even replace additional, costly and time-consuming diagnostic modalities. The following clinical vignettes, which are discussed briefly, support these arguments.