[Errors in sclerosing treatment].

Mistakes in sclerotherapy are always caused by faulty initial examination. Sometimes examination fails to prove the source of the reflux, which may not be where it is commonly located. Uncertain examination information leads one to take steps which may be recurrent and dangerous. More often, one forgets to look for the source of reflux and the treatment is carried out indefinitely, based on visible symptoms, which recur because there has been no prior elimination of the responsible trunk. There is only one remedy: thorough examination of the patient in upright position, and then the decision to stick confidently to the results of this examination, without other considerations.