Penile cavernography

The corpus cavernosum is a radiographic technique that directly injects a contrast agent into the corpus cavernosum. Cavernous corpus cavernosum is a relatively straightforward examination of the abnormality of the penile venous system. It can reflect the path of penile venous return, the internal structure of the corpus cavernosum and pathological changes, providing comprehensive consideration for penile vascular reconstruction or penile prosthesis implantation. However, it is a traumatic examination, and the indications should be strictly controlled. Basic Information Specialist classification: male examination inspection classification: X-ray Applicable gender: whether men and women apply fasting: not fasting Tips: This test is contraindicated in patients with iodine or corpus cavernosum vasoactive substances. Normal value The normal development is bilateral symmetry of the corpus cavernosum, the contrast agent is evenly distributed, the density is uniform, the edges are smooth, the interval is clear, and the left and right penis feet are symmetrical. Clinical significance Abnormal results: It can be seen that the penis foot and the subsacral branch are "separated" on the X-slice, and the development of the penile vein system is observed. If the penile vein is developed, there are common penile venous leaks, penile foot leaks, cavernous septal leaks, ectopic venous leaks, spongiforms, and mixed types. People who need to be examined: Poor erection at night or erection of the penis, abnormal venous return after injection of vasoactive substances in the corpus cavernosum, and history of impotence, but other clinical non-invasive tests have not found the cause of impotence. Precautions Taboo before inspection: 1. Keep the penis clean and clean before checking. 2, a few days before the physical examination, pay attention to diet, do not eat too much greasy, not easy to digest food, do not drink alcohol, do not eat drugs that damage liver and kidney function; 3, the day before the physical examination should pay attention to rest, avoid strenuous exercise and emotional excitement, to ensure adequate sleep, so as not to affect the results of physical examination. It is best to take a bath. 4. If you have had surgery, you should bring relevant medical records and relevant information; Requirements for inspection: During the inspection, under the supervision of the TV, observe the filling of the contrast agent in the sponge, and it is necessary to take the positive and oblique tablets, so do not arbitrarily move during the inspection. Inspection process (1) After the iodine allergy test is performed by the drug cavernous angiography method, the penile skin is routinely sterilized, and after the rubber root is pressed at the root of the penis, a vascular active substance such as papaverine is injected into the posterior third of the penis with a 7-gauge needle. Prostaglandin E1 observation of penile erection 15 minutes, the use of 30% diatrizoate 80 ml, directly into the side of the penis sponge body, the development of satisfactory posterior position, left and right oblique slice. (2) continuous infusion of angiography of the corpus cavernosum vasoactive substance, the erection is below 60 degrees or the erection is quickly disappeared. When the penile artery system is in the normal range, the Swiss Gombro perfusion pump is used to automatically control the flow rate of the liquid per minute. The patient is placed in a supine position and routinely disinfected. One end of the catheter connected to the perfusion pump is connected to the penis sponge on one side of the catheter, and the other end of the catheter is connected to the infusion bottle. The physiological saline is injected at a flow rate of 80-120 ml per minute to directly induce the penis. Erect, and record the flow rate of erection, then slow down the flow rate to maintain erection, and record the speed of erection, and finally inject 30% of diatrizoate 100 ml, take the film under the monitor of the screen, remove the needle after the film, partial compression 3 ~5 minutes. Not suitable for the crowd A patient who is allergic to iodine or corpus cavernosum vasoactive substances. Adverse reactions and risks No complications.