阴茎异常勃起是一种与性刺激或性欲无关的阴茎持续性痛性勃起。临床上比较少见，发病突然，病因多种，有的至今不清楚，给治疗带来一定困难，并可能导致永久性阳萎。我科近年收治３例，现报告如下：例１６０岁，因前列腺增生症，在外院行前列腺部位的注射治疗，药名不详，... Penile erection is a penile persistent painless erection unrelated to sexual stimulation or sexual desire. Clinically rare, sudden onset, a variety of causes, some are still not clear, to bring some difficulties in treatment, and may lead to permanent impotence. In recent years, our department received 3 cases, are reported as follows: Example 160 years old, because of benign prostatic hyperplasia, prostate in the hospital line of injection therapy, drug name unknown, ...