La Revue de médecine interne
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The clinical efficiency of every therapeutic, medicinal or other, contains a part of not specific effect, or placebo effect, of which the frequency of appearance and the importance, in the treatment of pain, can be particularly raised. The practitioners use often, deliberately either not, this effect to modulate their therapeutic efficiency, or in a diagnostic purpose to investigate the mechanism of a pain; our objective is to analyze, in the light of a review of the recent medical literature, what the understanding of the placebo effect brings to the treatment of pain. ⋯ At term of this review, we will conclude that the use of a placebo has no value of diagnostic test as for the mechanism of the pain; it is neither necessary nor desirable to implement placebo effect in the daily practice because any therapeutics acts by associating specific and not specific effects. The quality of the relation doctor-patient will allow to mobilize not specific factors susceptible to modulate favorably any therapeutic action. For controlled clinical trials, certain methodologies can be envisaged to by-pass the administration of placebo, reducing so ethical constraints bound to their use.
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Review Case Reports
[Hemolytic uremic syndrome as a complication of gemcitabine treatment: report of six cases and review of the literature].
Hemolytic uremic syndrome is a rare condition during gemcitabine therapy. ⋯ Systematic clinical and biological screening of hemolytic uremic syndrome during gemcitabine therapy should allow to better know this complication, to recognize and treat it earlier with a potential positive impact for patients.
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Oncogenic osteomalacia (OO) is a rare paraneoplastic syndrome characterized by severe hypophosphatemia induced by phosphaturic factors which are secreted by some tumors of mesenchymal origin. Fibroblast Growth Factor 23 (FGF-23) belongs to this family. Measurement of FGF-23 might improve the diagnosis of OO. ⋯ We conclude that FGF-23 measurement is likely to be of considerable importance for facilitating early diagnosis of OO.
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Review Comparative Study
[HNPCC syndrome (hereditary non polyposis colon cancer): identification and management].
The hereditary non-polyposis colon cancer (HNPCC) syndrome is an inherited condition defined by clinical and genealogical information, known as Amsterdam criteria. In about 70% of cases, HNPCC syndrome is caused by germline mutations in MMR genes, leading to microsatellite instability of tumor DNA (MSI phenotype). Patients affected by the disease are at high risk for colorectal and endometrial carcinomas, but also for other organs tumors. HNPCC syndrome is responsible for 5% of colorectal cancers. ⋯ The identification of germline MMR mutations has no major consequence on the cancer treatments, but influences markedly the long-term follow-up and the management of at-risk relatives. Gene carriers will enter a follow-up program regarding their colorectal and endometrial cancer risks; other organs being at low lifetime risk, no specific surveillance will be proposed.