As in other fields of exfoliative cytology, the identification of tumor cells is one of the most important and difficult activities in CSF cytology. Identification can provide useful information about the suspected tumor, especially concerning the degree of proliferation and the formation of metastases, and thereby decidedly influence subsequent diagnostic and therapeutic procedures. In some cases, CSF cytology can aid in the early recognition of malignant processes, especially in leukoses. In other cases, it can confirm the clinician’s suspicions, and, in still others, it can give an unexpected new direction to clinical investigations.
KeywordsLymphoma Leukemia Adenocarcinoma Sarcoma Meningitis
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