A look at why iron deficiency anemia should be on a differential diagnosis list for all patients with unexplained microcytic anemia, how to diagnose the cause of this anemia, and how to treat these iron-deficient patients.
Normally, only a small amount (milliliters) of fluid are present in the thorax and abdomen. Effusions, defined as an accumulation of fluid in one or more body cavities result from multiple causes including increased hydrostatic pressure, decreased oncotic pressure, increased vascular permeability, decreased lymphatic drainage, infection, neoplastic infiltration, or rupture of organs or structures within the cavity.
Fine needle aspiration (FNA) cytology is an excellent adjunctive tool for evaluating internal organs. It is often diagnostic, requires little specialized equipment, and can rapidly provide useful information.
Small lymphocytes are smaller in size than a neutrophil and have a round nuclei that takes up the majority of the cell. The nuclei contain densely aggregated chromatin forming large chromocenters (condensed chromatin).