Nobuo Nakagawa

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The authors describe a case in which a biliary-hepatic artery fistula was created by a glidewire perforation during percutaneous transhepatic biliary drainage and was successfully treated by embolization via the transbiliary tract. Great caution should be exercised to avoid perforation when a Terumo hydrophilic glidewire is used during biliary intervention.
Section 2. Planar functions and semifields and other algebraic structures Suppose that f is a function over Fq where pn = q and p is an odd prime. We define about the behavior of the number of solutions of difference equations of f as the following. For a, b ∈ Fq, Nf (a, b) := {x ∈ Fq | f(x+ a)− f(x) = b}, Nf = Maxa,b∈Fq, a =0Nf (a, b). If Nf ≤ δ, a(More)
We performed thermal balloon angioplasty in 10 iliac arteries in 5 mongrel dogs. By perfusing a modified angioplasty balloon with hot (100°C) saline, a mean balloon temperature of 84°C was obtained. Angiographic and histologic follow-up at 6 months revealed no thrombosis or aneurysm formation but it did reveal fibrotic transformation of the media. Initial(More)
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