Fig. 4From: Hyaluronic acid injection to coronal sulcus of the penis for the treatment of premature ejaculation: a retrospective observational studyComparison of the shape of the penis before and after intervention. a The shape of the glans penis of the patient before intervention. b The shape of the glans penis of the patient on the 30th day post intervention. It was only slightly enlarged at the coronal sulcus and the overall appearance was more estheticsBack to article page