132 research outputs found

    INTO Connect Updates

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    INTO Connect is a software platform that provides faculty and administrators with the opportunity to maintain student records in a secure online environment that meets the privacy policies of the institution and the privacy laws of the federal government. This session introduces the platform to possible new users and highlights the benefits and challenges of using INTO Connect for Academic English programs. The session also explores the possibilities of how INTO Connect can be used to meet the needs of different institutions. In this session, attendees will learn: 1. The benefits and challenges of integrating INTO Connect with your existing program: A. Faculty buy-in B. Faculty training C. Functional use of INTO Connect (Attendance, Reports and etc). D. Program administration E. Meeting FERPA standards and institutional standards F. Costs of setup and maintenance G. Future uses of the platform 2. Meet the needs of different institutions A. What is currently available on INTO Connect for use B. What can be made available on INTO Connect for use 3. Conclusion - Where do we go from here? Session keywords: technology, online record-keeping, students, teachers, program administration, student service

    Disseminated eruptive giant mollusca contagiosa in an adult psoriasis patient during efalizumab therapy

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    Molluscum contagiosum is a common viral skin infection in children with atopic diathesis and not rare in HIV patients. We report a 45-year-old psoriasis patient who developed eruptive mollusca contagiosa during an antipsoriatic treatment with efalizumab. Copyright (C) 2008 S. Karger AG, Basel

    The Outcome of Patients with Melanoma Is Not Associated with the Time Point of Lymphatic Mapping with Respect to Excisional Biopsy of the Primary Tumor

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    Background: Sentinel lymph node biopsy (SLNB) has become the standard care for melanoma and is an important diagnostic procedure. It has been doubted whether lymphoscintigraphy detects the correct sentinel lymph node (SLN) when excision of the tumor and SLNB are not performed at the same time. This would imply that this sequential approach may have an increased risk of undetected micrometastases resulting in a worse outcome. Objective: The purpose of the present study was to compare the outcome of melanoma patients having received excision of the tumor and SLNB either at the same time or consecutively. Methods: A total of 854 patients with cutaneous melanoma were enrolled in this retrospective study between September 1996 and November 2007. Disease-free (DFS) and overall survivals (OS) were estimated using the Kaplan-Meier product limit method and were analyzed by the log rank test. Results: No statistically significant difference was found regarding DFS, progression rates and OS in patients with primary tumor excision and SLNB at the same time compared with patients with excisional biopsy of primary tumor and SLNB at different times. Conclusion: These data suggest that excisional biopsy of the primary tumor does not prevent the correct SLN mapping in melanoma patients. Copyright (C) 2010 S. Karger AG, Base

    Progressive Macular Hypomelanosis: A Rarely Diagnosed Hypopigmentation in Caucasians

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    A 35-year-old woman who developed whitish macules on trunk and limbs at 12 years of age and observed a remarkable increase of the hypopigmentated lesions after her pregnancies at ages 29 and 32 years. Because of the highly characteristic clinical aspect and the light- and electron-microscopic histopathologic findings, we diagnosed progressive macular hypomelanosis (PMH). It is a nonscaly disorder with hypopigmented macules mainly on the trunk and is more often seen in young women. In contrast to some authors assuming the presence of Propionibacterium spp. as a matter of principle in PMH, we report a case with no evidence for Propionibacterium spp

    Rapid sediment re-deposition may limit carbon release during catastrophic thermokarst lake drainage

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    ACKNOWLEDGMENTS We thank Georgina Heldreich for valuable discussions on delta formation, and the two constructive anonymous reviews, which greatly improved the manuscript.Peer reviewedPublisher PD

    Stereotactic body radiation therapy for melanoma and renal cell carcinoma: impact of single fraction equivalent dose on local control

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    <p>Abstract</p> <p>Background</p> <p>Melanoma and renal cell carcinoma (RCC) are traditionally considered less radioresponsive than other histologies. Whereas stereotactic body radiation therapy (SBRT) involves radiation dose intensification via escalation, we hypothesize SBRT might result in similar high local control rates as previously published on metastases of varying histologies.</p> <p>Methods</p> <p>The records of patients with metastatic melanoma (n = 17 patients, 28 lesions) or RCC (n = 13 patients, 25 lesions) treated with SBRT were reviewed. Local control (LC) was defined pathologically by negative biopsy or radiographically by lack of tumor enlargement on CT or stable/declining standardized uptake value (SUV) on PET scan. The SBRT dose regimen was converted to the single fraction equivalent dose (SFED) to characterize the dose-control relationship using a logistic tumor control probability (TCP) model. Additionally, the kinetics of decline in maximum SUV (SUV<sub>max</sub>) were analyzed.</p> <p>Results</p> <p>The SBRT regimen was 40-50 Gy/5 fractions (n = 23) or 42-60 Gy/3 fractions (n = 30) delivered to lung (n = 39), liver (n = 11) and bone (n = 3) metastases. Median follow-up for patients alive at the time of analysis was 28.0 months (range, 4-68). The actuarial LC was 88% at 18 months. On univariate analysis, higher dose per fraction (p < 0.01) and higher SFED (p = 0.06) were correlated with better LC, as was the biologic effective dose (BED, p < 0.05). The actuarial rate of LC at 24 months was 100% for SFED ≥45 Gy v 54% for SFED <45 Gy. TCP modeling indicated that to achieve ≥90% 2 yr LC in a 3 fraction regimen, a prescription dose of at least 48 Gy is required. In 9 patients followed with PET scans, the mean pre-SBRT SUV<sub>max </sub>was 7.9 and declined with an estimated half-life of 3.8 months to a post-treatment plateau of approximately 3.</p> <p>Conclusions</p> <p>An aggressive SBRT regimen with SFED ≥ 45 Gy is effective for controlling metastatic melanoma and RCC. The SFED metric appeared to be as robust as the BED in characterizing dose-response, though additional studies are needed. The LC rates achieved are comparable to those obtained with SBRT for other histologies, suggesting a dominant mechanism of in vivo tumor ablation that overrides intrinsic differences in cellular radiosensitivity between histologic subtypes.</p

    Patients with Intolerance Reactions to Total Knee Replacement: Combined Assessment of Allergy Diagnostics, Periprosthetic Histology, and Peri-implant Cytokine Expression Pattern

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    We performed a combined approach to identify suspected allergy to knee arthroplasty (TKR): patch test (PT), lymphocyte transformation test (LTT), histopathology (overall grading; T- and B-lymphocytes, macrophages, and neutrophils), and semiquantitative Real-time-PCR-based periprosthetic inflammatory mediator analysis (IFN gamma, TNF alpha, IL1-beta, IL-2, IL-6, IL-8, IL-10, IL17, and TGF beta). We analyzed 25 TKR patients with yet unexplained complications like pain, effusion, and reduced range of motion. They consisted of 20 patients with proven metal sensitization (11 with PT reactions;9 with only LTT reactivity). Control specimens were from 5 complicated TKR patients without metal sensitization, 12 OA patients before arthroplasty, and 8 PT patients without arthroplasty. Lymphocytic infiltrates were seen and fibrotic (Type IV membrane) tissue response was most frequent in the metal sensitive patients, for example, in 81% of the PT positive patients. The latter also had marked periprosthetic IFN gamma expression. 8/9 patients with revision surgery using Ti-coated/oxinium based implants reported symptom relief. Our findings demonstrate that combining allergy diagnostics with histopathology and periprosthetic cytokine assessment could allow us to design better diagnostic strategies
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