Notes

EBV-positive big B-cell lymphoma by having an unusual intravascular demonstration and associated haemophagocytic malady in a HIV-positive individual: report of a circumstance expanding your range associated with EBV-positive immunodeficiency-associated lymphoproliferative disorders.
Currently, the most used pedagogical approach in pharmaceutical studies is transmissive teaching, in which students usually adopt a passive attitude. The aim of this article is to present the main characteristics of active learning, and to point how it can be integrated in pharmaceutical studies by the way of team-based learning. According to its different characteristics, team-based learning is an authentic method of active learning. This pedagogical method includes a preparation time, usually individually performed, and followed by the group work itself, in which the case method is the most frequently used. Team-based learning also allows students to work in interdisciplinarity and facilitates interactions between peers. The wide majority of the studies demonstrate that students acclaim this pedagogical approach as compared to more conventional teaching methods, and that their satisfaction increases their commitment in the tasks proposed in the course. Even though the results of studies concerning the impact of team-based learning on student retention and scores in tests are somewhat discordant, this pedagogical approach allows the acquisition or the reinforcement of skills that will be useful to students in their future professional life, like collaborative work and confidence in their ability to complete a task.In the context of increasing incidence of fungal infections worldwide, the availability of antifungal drugs was studied in Senegal, a country with limited resources where diagnosis of invasive fungal infections is not often established by lack of specialists and/or diagnostic tools. After a background on the country's situation with regard to fungal infections and the drug distribution network in Senegal, a compilation of the various available antifungals was presented before concluding with recommendations to prepare for a situation that could allow to treat appropriately invasive mycoses.It has been proved that chitosan oligosaccharide (COS) has a more favorable therapeutic applications such as wound healing and anti-tumor treatment, and can affect angiogenesis. For better understanding the effect of COS on angiogenic activities at cellular level, COS with different concentration and degree of polymerization (DP) were used to culture human umbilical vein endothelial cells (HUVECs) in this work. Cell proliferation activity, cell morphology, cell migration and angiogenesis associated factor expression of HUVECs were evaluated. selleck inhibitor The results indicated that COS at a high concentration of 400 μg/mL (COS(400)) and DP of 6 (Chitinhexaose Hydrochloride, COS6) had inhibitory effect on angiogenic activities of HUVECs. Specifically, COS(400) and COS6 inhibited cell proliferation activity, cell migration, and vascular endothelial cell growth factor (VEGF) expression of HUVECs. While COS at a low concentration ( less then 400 μg/mL) and suitable polymerization degrees (DP less then 6) had little significant effect on cell proliferation, migration, and VEGF expression of HUVECs, showing dose-dependent effect. These findings provided insight for the potential use of COS, for broadening its future applications in biomedical fields and functional materials area. It also helped guide the design and synthesis of chitosan-based materials as an angiogenesis inhibitor for anti-angiogenic therapy.
Pain is a common, important symptom negatively affecting the well-being and quality of life of patients with hidradenitis suppurativa (HS). The aim of this study was to examine self-reported pain alleviating methods among outpatients attending a tertiary referral center.

Consecutive patients with HS were invited to complete a questionnaire regarding their self-reported pain alleviating methods for HS associated pain. Additionally, the patients filled out the Dermatology Life Quality Index questionnaire and a visual analog scale for overall distress related to HS and for boil-associated pain in the past month. Information on disease severity and onset was obtained by interview and clinical examination.

A total of 134 patients with a mean age of 38.3 years (SD 12.8) participated; 32% (n=43) had Hurley stage i, 52% (n=70) had Hurley stage ii, and 16% (n=21) had Hurley stage iii. Overall, to achieve pain relief, 82% (n=110) of the patients had previously drained pus from the lesions by manual pressure. Compared to patients who did not alleviate pain, patients who attempted to alleviate pain had a higher mean overall disease related distress score (7.43 [SD 2.81] vs. 5.47 [SD 3.37], P<.003), and a higher boil-associated pain score in the past month (6.56 [SD 3.07] vs. 4.39 [SD 3.88], P=.007).

This study demonstrates that a large proportion of HS patients attempt to alleviate pain through various alternative and homespun methods. These results may reflect a major role of pain in HS and its potential insufficient management by dermatologists.
This study demonstrates that a large proportion of HS patients attempt to alleviate pain through various alternative and homespun methods. These results may reflect a major role of pain in HS and its potential insufficient management by dermatologists.
Nevi of special sites (NOSS) are benign melanocytic lesions that occur at particular sites. Although the histological features of NOSS have been described, their immunophenotypic features have not been fully characterized.

To present the clinicopathological characteristics of a case series of NOSS and to characterize their immunohistochemical profile.

Thirty-five NOSS were assessed using immunoperoxidase staining techniques for the melanocytic (S100, Melan-A, and HMB45) and proliferation (Ki-67) markers RESULTS All of the cases of NOSS showed concerning architectural changes (prominent lentiginous melanocytic proliferation, irregularities, crowdedness, and dyhesiveness of the nests), and cytological atypia (large nevomelanocytes with vesicular nuclei, clear cytoplasm, and dusty melanin pigment) that can lead to a misdiagnosis of atypical nevi or even melanomas. All of the cases of NOSS showed diffuse expression of S100 and Melan-A proteins. Ki-67 labeling index of the nevomelanocytes was extremely low. HMB45 protein expression was limited to the junctional and superficial dermal nevomelanocytes.
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