"Cramps, or rather complaints of cramps, were the presenting symptom of recognizable and previously unsuspected neurologic dysfunction in 64% (27 of 42) of the identified causes. Therefore, we conclude that muscle cramps in cancer patients may not be a benign complaint and that they usually mark the presence of an identifiable neurologic disorder"
Muscle cramps in cancer patients
http://onlinelibrary.wiley.com/doi/1...O;2-L/abstract