Background: Pancytopenia is a recognisable haematological problem with common categorises diagnosis but best possible diagnostic approach is still to be defined.
Objective: The aim of this study was to determine the frequent causes and clinical presentation of pancytopenia in relation to age and sex in different ethnic groups of two national (Pakistani and Afghan) living in Baluchistan province.
Methods: This is a cross sectional descriptive type of study was carried out on patients (n = 180) for two years (July 2009-June 2011).