TIPP was slower (although speed increased with practice) associated with more haematoma (although this reduced with practice) and fewer incisions. In other respects (pain, cosmetic satisfaction, other complications, residual varices) it was not significantly different from hook phlebectomy. Greater clinical experience with the technique and randomized studies are required to determine whether TIPP is a valuable addition to our armamentarium.

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External iliac artery endofibrosis (EIAE) is an uncommon disease that affects a large number of athletes. The pathogenesis of EIAE is unclear. We offer an additional possible cause, with a direct relationship between EIAE and psoas muscle hypertrophy.

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J n.C.Bclli C. Le ~o u l t r e . L d i t r o e n t e r o l o g y and N u t r i t i o n U n i t Oepartmen; o f P e d i a t r i c s , University o f Crneva, H o p i t a l Cantonal U n i v e r s i t a i r e , 1211 Geneva 4, S n i t z e r l a n d .Long-term esophageal pH-metry has become the reference t e s t t o q u a n t i f y a c i d CER. Nevertheless, short-, middle-and long-term pH-metry w i t h o r w i t h o u t p o s t c i b a l p e r i o d are used by c l i n i c i d n s t o diagnose t h e presence or absence of CEK. To