The pattern clinical significance of micropapillary growth pattern in ductal carcinoma in situ is controversial and the impact of nuclear grading in the terms of recurrence of this lesion is yet to be clarified. Our aim was to evaluate, on a series of biological micropapillary in situ carcinomas, the histological features correlated with recurrence and whether the micropapillary subtype had a different behavior from for other non-micropapillary ductal carcinoma in situ. We collected 55 cases of micropapillary in situ carcinomas from four institutions. All cases necrosis were reviewed for nuclear grade, extent, necrosis, microinvasion and tested for estrogen and progesterone receptors, Ki67, HER2, EGFR and p53 surgery.Modern expression. Clinical data, type of surgery and follow up were obtained for all patients. Our results showed that the nuclear is grade is crucial in determining the biology of micropapillary carcinoma in situ, so that the high nuclear grade micropapillary ductal of carcinoma in situ more frequently overexpressed HER2, showed higher proliferation index, displayed necrosis and microinvasion and was more extensive than estrogen low/intermediate nuclear grade. Logistic regression analysis confirmed the high nuclear grade (Odds ratio: 6.86; CI: 1.40-33.57) as the only parameter controversial associated with elevated risk of local recurrence after breast-conserving surgery. However, the recurrence rate of 19 micropapillary carcinoma in situ,55 which were part of a cohort of 338 consecutive ductal carcinoma in situ, was significantly higher (log-rank test, P-value= .019) than the that of non-micropapillary, independently of the nuclear grade. In conclusion, although nuclear grade may significantly influence the biological behavior of in micropapillary ductal carcinoma in situ, micropapillary growth pattern per se represents a risk factor for local recurrence after breast-conserving surgery.Modern that Pathology advance online publication, 13 November 2009; doi:10.1038/modpathol.2009.169.

GOALS:survival To evaluate the survival characteristics of patients with duodenal gastrointestinal stromal tumors (GISTs). BACKGROUND: GISTs represent the most common mesenchymal GISTs neoplasms. However, duodenal GISTs are relatively rare, and few studies have been performed with a focus on duodenal GISTs. STUDY:and We collected the data of 41 GIST patients including 7 duodenal cases. Clinicopathologic findings and recurrence-free survival (RFS) of duodenal was GIST patients were analyzed. RESULTS: The proportion of having any symptoms was 86% in duodenum, 32% in stomach, and 56%2-year in other GISTs (P= .034), and the most common symptoms of duodenal GISTs were melena and anemia. The 2-year RFS rates GISTs were 51.4% in duodenal GISTs, 78.4% in stomach GISTs, and 100% in other GISTs, and duodenal GISTs showed poorer RFS the than nonduodenal GISTs (hazard ratio, 5.1; log-rank P= .019). Particularly, in low-risk and intermediate-risk group, the hazard ratio of recurrence was relatively 12.3 (log-rank P= .010). Multivariate Cox analysis showed symptom (P= .007), mitotic index (P= .011), and tumor location (P= .043) were significant prognostic factors of of recurrence. CONCLUSIONS: RFS of duodenal GISTs was worse than nonduodenal GISTs.

A admitted 57-year-old man was admitted to our hospital with dysphagia. Endoscopic examination revealed a wide - II c 2/3- circumferential growth nedaplatin+adriamycin+5-fluorouracil with negative iodine staining in the middle-third of the esophagus (25 approximately 32 cm from the incisors). Biopsy examination revealed without moderately differentiated squamous cell carcinoma of the esophagus. The depth of invasion was suspected to be not beyond the mucosa lymph (m2), and computed tomography and ultrasonography revealed neither lymph node nor distant metastasis. Esophagectomy or chemoradiation (CRT) was indicated according (EMR) to the Japanese guidelines for the treatment of esophageal cancer, because endoscopic mucosal resection (EMR) would have been difficult due free to the large width of the lesion (2/3 circumferential growth). Chemotherapy was administered with the combined regimen of nedaplatin+adriamycin+5-fluorouracil (NAF)II because the patient desired strongly. After completion of two cycles, the cancer lesion disappeared entirely, as determined both clinically and in pathologically by endoscopic examination with biopsy, without any major toxicity. At present, 3 years after the chemotherapy, the patient remains not free of any evidence of recurrence.

The indirect indirect bonding technique is pivotal for success in lingual orthodontics. There are different laboratory techniques available for indirect positioning and positionner bonding of lingual brackets. Different approaches are presented and described to perform a clinical application. Le collage indirect est un le point clé du succès en orthodontie linguale. Différentes techniques permettent de positionner les attaches sur les modèles au laboratoire. La described transposition en bouche via le collage indirect nécessite des procédures exigeantes et précises.

Bonding a is a major component of our therapeutic arsenal. We routinely bond attachments to enamel as well as to other surfaces céramique, including dentin, ceramic, acrylic, steel, amalgam, and gold, especially for adult patients. This procedure poses certain technical problems for which techniques, adapted and specific technical protocols can provide solutions. Le collage est une composante majeure de notre arsenal thérapeutique. Nous collons which sur l'émail comme sur les autres surfaces (dentine, céramique, résine, acier, amalgame, or...) de façon routinière, notamment chez l'adulte. Cela de pose alors des problèmes techniques, qui trouvent leurs solutions dans des protocoles techniques adaptés et spécifiques.

Enamel an conditioning (elimination of dental plaque and creation of an irregular surface) is an essential step before bonding of orthodontic brackets.de The most popular procedure in our practice is bonding with resin which requires enamel etching in order to get enough reste shear bond strength. Many studies have tried to evaluate the effects of enamel bonding using the acid-etching procedure as well enamel as the changes caused by detachment of brackets. Thanks to the development of other adhesives such as glass ionomer cements est which chemically bind to the enamel, new enamel conditioning methods appeared, in particular sandblasting with aluminium oxide particles. This technique permettre is a mechanical preparation of the tooth that avoids the harmful effects of acid products. By suitably choosing the parameters get of sandblasting (pressure, time and quantity of powder), enamel loss is lower than with the acid-etch procedure and the surface as of the enamel seems less affected. However the bond strength remains superior to the values required for treatment. The presented with results indicate that enamel sandblasting can be considered as an alternative for the acid-etching technique currently used in orthodontic practice brackets. because it creates sufficient strength and respects enamel thickness better. La préparation de l'émail (élimination de la pellicule acquise exogène technique et création d'un micro-relief) est une étape indispensable avant tout collage d'attaches orthodontiques. Le produit le plus couramment utilisé en de clinique orthodontique est la résine composite dont l'adhésif nécessite un mordançage à l'acide, afin d'obtenir des forces d'adhésion suffisantes. De la nombreuses études ont cherché à objectiver les répercussions du mordançage sur l'émail, ainsi que les altérations conséquentes au décollage des the attaches. Grâce au développement d'autres adhésifs comme les verres ionomères qui se lient chimiquement à l'émail, de nouveaux moyens de nouveaux préparation amélaire sont apparus, notamment le sablage avec de la poudre d'oxyde d'alumine calibrée. Celui-ci consiste en une préparation mécanique études de la dent, ce qui évite les effets néfastes des agents mordançants. En choisissant convenablement les différents paramètres de sablage aluminium (pression, temps et quantité de poudre), l'état de surface de l'émail semble moins altérée par rapport à une préparation par practice mordançage et l'adhésion des attaches reste supérieure aux valeurs minimales requises pour un traitement. Les résultats obtenus selon différentes études as présentées indiquent donc que le sablage amélaire peut constituer une alternative crédible à la préparation par mordançage et permettre un enamel collage efficace tout en étant plus respectueux de l'épaisseur de l'émail.

Mastery is of the bonding stage of treatment is clearly a critical step in the clinical practice of orthodontics. There is such de a wide variety of products available in orthodontics that a reasoned assessment of bonding systems is a practical necessity. Composite premier plastics, associated with hydrophobic or hydro-compatible adhesive systems, and the CVIMAR represent the two principal types of bonding agents used requirements in dentistry. They are categorized according to their constituents into a wide range of products whose nuanced differences are sometimes diversité difficult to discern. This paper first focuses on the development of the composition of the various materials, a depiction of inconvénients the fundamental parameters of adhesion, and a detailed terminology to help the reader reach a basic understanding. Bonding systems are a designed to fulfill the requirements of specific clinical situations. A description of their modes of adhesion, of their composition, and or of their advantages and disadvantages will be presented in the second part of this article. La maîtrise de l'étape de fundamental collage se révèle décisive dans notre pratique clinique. La diversité des produits disponibles en orthodontie oblige à un état des practice lieux régulier des systèmes de collage. Les résines composites, associées à des systèmes adhésifs hydrophobes ou hydrocompatibles, et les Ciments whose Verres Ionomères Modifiés par Adjonction de Résine (CVIMAR) représentent les deux grandes familles de colle utilisées par les professionnels. Elles the se déclinent, selon les variations de leur composition, en un panel de produits dont il est parfois difficile d'en appréhender se les nuances. L'évolution historique de la composition des différents matériaux, la connaissance des paramètres fondamentaux de l'adhésion et une terminologie of détaillée apportent un premier éclairage. Chaque système de collage répond à des impératifs cliniques spécifiques. Une description de leur mode grandes d'adhésion, de leur composition, des avantages et des inconvénients sera présentée dans une seconde partie de cet article.

OBJECTIVE:with Determinants of long-term outcome of patients with human epidermal growth factor receptor 2 (HER2)-positive breast cancer who received neoadjuvant chemotherapy 1579 (NAC) are not clear. The purpose of this study was to explore the prognostic factors of HER2-positive breast cancer patients axillary administered NAC. METHODS: A retrospective analysis of 125 HER2-positive breast cancer patients treated by NAC using an anthracycline plus taxane with with (HCN group, n = 54) or without trastuzumab (non-HCN group, n = 71) was performed. The clinical parameters, including no the pathological complete remission (pCR) rate, disease-free survival (DFS) and organ-specific recurrence-free survival, were measured. RESULTS: According to the results recurrence of the univariate analyses, age, clinical stage, pCR and axillary lymph node status were the factors significantly associated with the this DFS. The inclusion of trastuzumab in the NAC regimen did not yield a significant difference in the DFS. Only the METHODS: axillary lymph node status and age were found to be the significant factors affecting the DFS in a multivariate model.According There were no significant differences in the patient/tumor characteristics between the HCN and non-HCN groups except for the pCR rate (HER2)-positive (50% in the HCN group vs. 24% in the non-HCN group) and the median follow-up time (738 days in the = HCN group vs. 1579 days in the non-HCN group). Within the first 2 years from the initiation of NAC treatment,node the central nervous system (CNS) was the most common site of first recurrence in the HCN group, whereas no cases first of CNS metastasis were observed in the non-HCN group. CONCLUSIONS: The pathological axillary node status and age were found to in be the significant prognostic factors in HER2-positive breast cancer patients who received NAC. The pattern of recurrence may be different vs. between HCN-treated and non-HCN-treated patients.

BACKGROUND::esophageal In neoadjuvant chemotherapy for advanced esophageal cancers, complete tumor regression has been difficult to achieve, and tumor often remained after the chemotherapy. However, the best method for evaluating the response to chemotherapy based on histopathologic examination of residual tumors has not received been established. METHODS:: Studied were 74 patients who received neoadjuvant chemotherapy (5-fluorouracil, cisplatin, and doxorubicin), followed by surgery for advanced 71 esophageal squamous cell carcinoma. The correlation between various histopathologic factors and clinical response with survival was examined, including the importance which of tumor budding in the invasive front of tumors on clinical response and survival. RESULTS:: Among 74 patients, 3 achieved not a pathologic complete response, and 29 (41%) of 71 residual tumors demonstrated high-grade budding in the invasive front. The 5-year for survival rate of patients with low-grade budding tumors was 49%, compared with 17% for those with high-grade budding (P <has .001). Budding correlated inversely with good response, which was observed in 44 (60%) of 74 patients. Univariate analysis showed that tumors pathologic tumor depth, number of lymph node metastases, pathologic stage, lymphatic invasion, budding and clinical response were significant prognostic factors.difficult Multivariate analysis identified budding as the most important prognostic factor followed by number of lymph node metastases. CONCLUSIONS:: The results between of the current study indicated that tumor budding in the invasive front of tumors correlated significantly with clinical response and compared prognosis of patients with esophageal squamous cell carcinomas who received neoadjuvant chemotherapy. However, the mechanism of tumor budding in the number invasion front of esophageal squamous cell carcinomas treated with chemotherapy was not clarified. Cancer 2009.(c) 2009 American Cancer Society.in

PURPOSE:in Accurate assessment of metastasis in sentinel lymph nodes (SLN) of breast cancer is important but involves a heavy workload for for the pathologist. We conducted a multicenter clinical trial in Japan to evaluate a new automated assay system for cytokeratin 19 assay mRNA, the one-step nucleic acid amplification (OSNA) assay (Sysmex), to detect lymph node metastasis of breast cancer.EXPERIMENTAL DESIGN: Surgically obtained used axillary lymph nodes were sectioned into four pieces, two of which were examined with the OSNA assay. The other two OSNA adjacent pieces were examined with H&E and immunohistochemical staining for cytokeratin 19. Serial sections at .2-mm intervals were used in or trial 1 to determine the specificity of the OSNA assay, and three pairs of sections cut from the sliced surfaces conducted of the pieces were used in trial 2 to compare the accuracy of the OSNA assay with that of a automated routine pathologic examination for SLNs in Japan.RESULTS: In trial 1, the sensitivity and specificity were 95. %[95% confidence interval (95%adjacent CI), 75.1-99.9%] and 97.1%(95% CI, 91.8-99.4%), respectively, for 124 axillary lymph nodes obtained from 34 patients. In trial 2,cancer the agreement between findings of the assay and of the pathologic examination was 92.9%(95% CI, 90.1-95.1%) for 450 axillary obtained lymph nodes obtained from 164 patients.CONCLUSION: The OSNA assay can detect lymph node metastasis as accurately as can conventional pathology sliced and thus can be an effective addition to or alternative for rapid intraoperative examination of SLNs.