Epithelial dysplasia of gall bladder is an important precancerous lesion of gall bladder carcinogenesis. To investigate the frequency of K-ras gene mutation in gall bladder carcinoma and dysplasia, K-ras codon 12 mutations were investigated by the polymerase chain reaction/restriction enzyme based method following direct sequencing. Mutation was detected in 59% (30 of 51) of gall bladder carcin...

A previous application of extreme-value statistics to the ®rst, second and third largest geomagnetic storms per solar cycle for nine solar cycles is extended to fourteen solar cycles (1844±1993). The intensity of a geomagnetic storm is measured by the magnitude of the daily aa index, rather than the half-daily aa index used previously. Values of the conventional aa index (1868± 1993), supplemen...

In a local Cohen-Macaulay ring (A, m), we study the Hilbert function of an m-primary ideal I whose reduction number is two. It continuous work papers Huneke, Ooishi, Sally, and Goto-Nishida-Ozeki. With some conditions, show inequality e1(I) ? e0(I) ? ?A(A/I) + e2(I) coefficients, which converse Sally Itoh. We also relations between coefficients depth associated graded ring.

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Duplication of the gall bladder is a rare anomaly. Ectopic thyroid in a gall bladder is also exceedingly rare with only four cases of ectopic thyroid tissue in the gall bladder reported in English literature. We report the unique case of ectopic thyroid tissue in a duplicated gall bladder in a 51-year-old female with recurrent right upper quadrant pain. Abdominal sonography revealed a duplicate...

BACKGROUND Hyperinsulinaemia has been associated with many common diseases in developed countries, such as ischaemic heart disease and colon cancer. Gall stones are also very prevalent in these countries but little is known about the association between insulin and gall stones. AIMS To study the relationships between insulin and the incidence of gall stones in a sample of the general populati...

Introduction: Plant galls are insect-induced tumor-like growths of plant tissue which nourish and protect developing gall former larvae (1). Gall inducers are typically host specific (2). The morphology of galls produced is unique to each gall former species and reflects the expression of both insect and host plant genomes (3). For each species of gall inducer, gall size at maturity varies wide...

In analogy to 4-b-substituted benzoyl)-N-methylpyridinium cations (1 -X's), the title species (2-X's, -X = -0CH3, -CH3, -H, -Br, -COCH3, -N02) undergo two reversible, well-separated (E1122650 mV) one-electron reductions. The effect of substitution on the reduction potentials of 2-X's is much weaker than the effect of the same substituents on 1-X's: the Hammett p-values are 0.80 and 0.93 for the...

Background: Over the last decade, laparoscopic cholecystectomy has gained worldwide acceptance and considered to be as "gold standard" in the surgical management of symptomatic cholecystolithiasis. However, the incidence of bile duct injury in laparoscopic cholecystectomy is still two times greater compared to classic open surgery. The development of bile duct injury may result in biliary cirrh...

We examined seasonal changes in freeze tolerance and the susceptibility of larvae of the gall fly, Eurosta solidaginis to inoculative freezing within the goldenrod gall (Solidago sp.). In late September, when the water content of the galls was high (approximately 55%), more than half of the larvae froze within their galls when held at -2.5 degrees C for 24 h, and nearly all larvae froze at -4 o...