Wednesday, August 11, 2010

Platelet Count (PC)

 Platelet Count (PC)

 

Normal Range

1,50,000 – 3, 50,000/cu.mm.

Causes of eosinophilia (> 250/cu.mm. diurnal variation with highest levels in morning)

Causes of eosinophilia (> 250/cu.mm. diurnal variation with highest levels in morning)

Allergic diseases (bronchial asthma, hay fever, urticaria, allergic rhinitis);

Parasitic infestations, mycoses, scarlet lever, erythema multiforme systemic lupus erythematous, rheumatoid arthritis, skin diseases (e.g.pemphigus).

Causes of monocytosis ( > 10% of differential absolute count > 500/cu.mm.)

Causes of monocytosis ( > 10% of differential absolute count  > 500/cu.mm.)

Monocytic leukemia, other myeloproliferative disorders, lymphomas, lipid storage diseases, post splenectomy, protozoal and some rickettsial infections, SBE, tuberculosis, brucellosis sarcoidosis, rheumatoid arthritis, systemic lupus erythematosus(SLE).