8 March 2022 (Tuesday) - Lymphocytosis

 

 

H,22.7467200.N       R 08.03.22  Clin. det.                                    

DIFF Blood Film Review           Diagnosis                                      

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            HBM   WBCM    PLT    HCT   RBCM   MCVM   MCHM  MCHCM    RDW      N

281009 F   12.9   8.39    436  0.404   4.66   86.7   27.7   31.9   13.6   2.89

280916      133   8.40    356  0.415   4.73   87.7   28.1    320   13.0   2.70

240517      128   7.40    359  0.402   4.54   88.5   28.2    318   13.3   1.90

030322 F    135   9.04    422  0.405   4.51   89.8   29.9    333   12.3   3.37

 

              L      M      E      B   RETP   RETA    IRF    NUC     GF    ESR

281009 F   4.53   0.56   0.37   0.04                                          

280916     4.50   0.50   0.50   0.10                                          

240517     4.20   0.60   0.60   0.00                                          

030322 F   4.50   0.86   0.23   0.08  

Here’s something I saw today… the causes of lymphocytosis are an essay in themselves. Some need immediate referral, some just need watching. More and more I’m seeing this sort of thing in people from their thirties to their seventies. Obviously there is some reason for the patient to be having a blood test, but whatever the reason there is a (seemingly) utterly unrelated ongoing mild lymphocytosis. Ongoing over months or years. This one is seemingly unchanged in twelve years.

There are a myriad of papers on the subject – just type “ongoing mild lymphocytosis” into Google to find them. (I won’t other reproducing them here). Bearing in mind that sooner or later the lymphocytosis may well transform into something nastier, the thing here is to keep an eye on the lymphocytosis. Always suggest it be monitored in the comments you write on the blood film.

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