Acute non-perforated appendicitis can be treated successfully with antibiotics. However, there is a risk of recurrence in cases of acute appendicitis, and this risk should be compared with the risk of complications after appendectomy.

The accuracy with which pheochromocytomas and paragangliomas can be visualized questions nowadays the routine use of abdominal approach. In selected cases of sporadic unilateral chromaffin tumours, a posterior, lateral, or even laparoscopic approach should be considered.

As this is an open study and 37% of patients did not respond to the questionnaire, the results must be viewed with caution. ETS, however, appears to be an effective, safe and lasting surgical method for the treatment of severe facial blushing. Side-effects, especially compensatory sweating on the trunk and legs are common, and may be severe but only rarely result in the patient regretting the operation.

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