What is Penile angiography is reliable only after intracavernosal injection of vasoactive substances. All are indications for penile angiography, EXCEPT: and explain in detail?
Priapism is a prolonged, unwanted erection not associated with sexual stimulation. It is classified as low-flow (venous) and high-flow (aerial) priapism. Doppler US can distinguish the type of priapism, with low-flow priapism showing decreased or no blood flow in the cavernosal aeries. The most reliable method, however, involves testing aspirated blood from the corpus cavernosum for blood gas analysis. Ref: Liu D.R. (2011). Chapter 127. Urologic and Gynecologic Problems and Procedures in Children. In J.E. Tintinalli, J.S. Stapczynski, D.M. Cline, O.J. Ma, R.K. Cydulka, G.D. Meckler (Eds), Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 7e.