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120  /  Chapter 8  White cells: Granulocytes and monocytes


                        Management                            occurs within 1 – 2 weeks after stopping the drug.
                                                              Patients with chronic neutropenia have recurrent

                     The treatment of patients with acute severe neutro-
                                                              infections which are mainly bacterial in origin




                    penia is described on  p. 169 . In many patients with
                                                              although fungal and viral infections (especially
                    drug - induced neutropenia spontaneous recovery
                                                              herpes) also occur. Early recognition and vigorous
                                                              treatment with antibiotics, antifungal or antiviral
                                                              agents, as appropriate, is essential. Prophylactic
                                                              antibacterial agents (e.g. oral co - trimoxazole or cip-

                                                              rofloxacin and colistin) and antifungal agents (e.g.
                                                              oral amphotericin and fluconazole or itraconazole)

                                                              may be of value in reducing the incidence and sever-
                                                              ity of infections caused by severe neutropenia. Th e
                                                              haemopoietic growth factor G - CSF may be used to
                                                              stimulate neutrophil production and is eff ective in
                                                              a variety of benign chronic neutropenic states.
                                                              Corticosteroid therapy or splenectomy has been
                                                              associated with good results in some patients with
                                                              autoimmune neutropenia. Rituximab (anti - CD20)
                                                              may also be effective. Conversely, corticosteroids

                                                              impair neutrophil function and should not be used
                                                              indiscriminately in patients with neutropenia.
                                                                  Monocytosis
                                                                                                   9
                                                               A rise in blood monocyte count above 0.8    ×    10  /L

                                                              is infrequent. The conditions listed in Table  8.5  may
                                                              be responsible.
                                                                  Eosinophilic  l eucocytosis ( e osinophilia)

                              Figure 8.10   Ulceration of the tongue in severe    The causes of an increase in blood eosinophils (Fig.


                                                                               9
                    neutropenia.                               8.11 )  above  0.4    ×    10  /L are listed in  Table  8.6 .





















                                                                                      Figure 8.11   Eosinophilia.
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