Case 126 – The beginning!

You are the on-call haematology registrar who has been contacted by a conscientious GP regarding a fit and well 57 year old man who has an incidental finding of lymphocytosis. The FBC was performed as part of his monitoring for hypothyroidism.

Hb 131 MCV 90 Plts 180 WCC 13 Neutrophils 4.5 Lymphocytes 7


  1. What further information would you want to clarify with the GP?
  2. How would you advise the GP regarding the lymphocytosis?


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