Gan to kagaku ryoho. Cancer & chemotherapy
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The accurate assessment of pain is essential in cancer pain treatment. As pain is a subjective experience, there is no precise method to quantitate it objectively. There are two approaches: the first is the use of laboratory techniques to measure the patient's reaction to experimental pain, such as sensory decision theory analysis. ⋯ Listening carefully to the patient's complaint is required not only for the precise assessment of pain, but also is a form of psychological treatment. Cancer pain should be relieved as soon as possible. Although WHO cancer pain relief is the first choice, nerve blocks and intraoperative radiotherapy, if indicated, must be taken into consideration in the early phase of the pain treatment.