Figure 7From: Prostanoid receptor EP1 and Cox-2 in injured human nerves and a rat model of nerve injury: a time-course study Cox-2-IR and CD68-IR in human neuromas – time course. Rapid increase of CD68 immunoreactive cells was observed, whilst Cox-2-IR was only apparent from 2 to 3 weeks as previously described and remained persistent over many years.Back to article page