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Neuropathic pain in cancer.

Unrelieved neuropathic pain continues to be a substantial health problem in a cancer patient arises either due to disease itself or its treatment. Review of literature showed that neuropathic pain has high prevalence rate, greater severity and analgesic requirement with worse quality of life. Underreporting by patient and under treatment by physician is an important causative factor of indefinite persistence of neuropathic pain. Careful history taking, elaborated physical examination, patient's self report and diagnostic tools with high sensitivity and specificity are needed for accurate assessment of neuropathic pain. Neuropathic cancer pain is difficult to treat and also shows poor response to opioids so in this situation alternate a treatment strategy that also includes psycosocial and spiritual counseling with yoga and meditation exercises under the palliative care framework should be practiced. To find out the burden and estimation of resource generation of this widely recognized problem, accurate establishment of incidence, prevalence, severity, and effectiveness of treatment is quite mandatory. Complex phenomenon of neuropathic pain abolishes establishment of early diagnosis and accurate etiology of this symptom, emphasizes the need of sensitive and reliable clinical grading scale, international classification system and validated diagnostic tools that correspond with clinical assessment. Multiple studies towards this direction has been culminated and some are still going on, though the data and literature is very scant and require further research for the complete evaluation of neuropathic pain.