Submucosal injection of platelet-rich plasma in endoscopic resection of large sessile lesions

Figure 1 Patient flow-chart. EMR: Endoscopic mucosal resection; PRP: Platelet-rich plasma.

Figure 2 Preparation of platelet-rich plasma. A: Olin-1 Kit; B: Centrifugation of peripheral blood; C: PRP; D: Activation of PRP. PRP: Platelet-rich plasma.

Figure 3 Mean ulcerated area and mucosal healing rate were calculated by the use of ImageJ public software (Image Processing and Analysis in Java. https://imagej.nih.gov/ij).

Figure 4 Mucosal healing after endoscopic resection in two patients treated with submucosal injection of platelet-rich plasma at baseline and after 4 wk. A: Patient 1 at baseline; B: Patient 1 at week 4; C: Patient 2 at baseline; D: Patient 2 at week 4.