His cancer is gone now, but when he goes for quarterly checkups, he says, "The entire week before I have to go see (the doctor), there's always that fear that I may relapse.
This mechanism, based on mutual cooperation among tumor cells, illustrates how cancer may relapse; its targeting could represent new therapeutic opportunities.
However, it is quite possible that 'cured patients' may relapse at a later date.
It is well known that, for tuberculosis, recovered individuals may relapse with reactivation of latent infection and revert back to the infective class.
However, it is noteworthy that up to 40% of successfully detoxified MOH patients may relapse into medication overuse within a year [6, 7].
It usually resolves within several weeks and requires no treatment apart from symptom control, but may relapse in a third of the cases and cause irreversible kidney damage in about one in a hundred cases.
If untreated, this stage generally resolves spontaneously, may relapse or develop into tertiary syphilis.
Although addicts may relapse, a year after treatment their drug use decreases by 50percentt, according to the National Treatment Improvement Evaluation Study, and their illegal activity drops as much as 80percentt.
Disturbed sleep is clinically important because MJ users experiencing sleep problems may relapse to MJ use to improve their sleep quality.
There are fears Afghanistan may relapse into chaos after the Nato pullout.
As with pancreatic and biliary IgG4 disease, renal IgG4 disease exhibits a good response to corticosteroid treatment, with improvement in imaging findings and biochemical renal function, although some patients may relapse whilst on treatment.
