Background:One of the most important ways of pathologic and non-pathologic parasites transmission is through eating raw vegetables. Iranian people believe that eating raw vegetables is an important way to get some essential vitamins and minerals. Objectives: According to the high prevalence of pathologic parasites and also exporting different vegetables to the other provinces such as Tehran, we conducted this study to evaluate the parasitic pollution of raw vegetables in Amol city. Materials and Methods: This is a descriptive and analytic study compromised of 200 samples from 10 different vegetables including spinach, garden cress, parsley, lettuce, peppermint, radish, green onion, basil, coriander and scallion. The samples were evaluated using timely-sediment method and then centrifuging concentrating. The obtained results were analyzed by SPSS software and χ 2/Fisher's Exact Test. Results: Results showed that 93 (46.5%) of all vegetables (collected from 20 regions) were contaminated with pathologic and nonpathologic parasites. Among these, spinach and coriander were the highest (17.2%) and the lowest (3.2%) contaminated samples, respectively. The isolated parasites were nematode larva 25.8%, Giardia cyst 22.5%, Entamoeba coli cyst 19.3%. However, the obtained results from 100 restaurants and kebab samples did not show any parasitic contamination. Conclusions: Given hygiene issues and health status of people, the prevalence of some parasitic contaminations is the biggest problems among vegetable consumers. Using organized and new methods for irrigating the agricultural fields, preventing animals to enter the vegetable's farmlands and also improving people's knowledge on proper washing of vegetables can be useful in decreasing parasites prevalence.

Background Acne is the most common skin disorder which is known as a chronic inflammatory disease with psychological burden and reduced quality of life. Adipose tissue-derived stromal vascular fraction (SVF) is recognized as a source of regenerative cells and improves the quality of skin by increasing collagen content. To date, a few studies have been performed on the therapeutic role of SVF in the treatment of acne scars. Methods This randomized, single-blinded clinical trial was performed on 7 patients with acne scars. In all patients, the initial grade of acne (volume, area and depth) was evaluated and ultrasound of the relevant scar was performed to evaluate neocollagenesis. As a spilt face study, for treating the scars, we used nanofat subcutaneously on one side of the face (control group) and combination of nanofat subcutaneously and SVF intradermally on the opposite side (intervention group). The patients were evaluated for severity of acne by visioface after one month, also for thickness of epidermis and dermis by ultrasound after one month and three months. Results All of the apparent findings of scars improved in two groups after one month, but these changes were significant just for the group treated with SVF (p value < 0.05). Epidermal, dermal and complete thicknesses during the first month in both control and intervention groups were significantly increased (p value < 0.05) but between the first and third months, there was no significant difference in the variables (p value > 0.05). The findings showed that dermal and complete thicknesses of the skin in the first month were different between two groups significantly (p value: 0.042 and 0.040, respectively). Conclusion The use of SVF in the treatment of patients with acne scars accelerates the improvement of volume, area and depth of the scar by increasing collagen content and the dermal thickness, so it can be used as a potentially effective treatment for these patients.

Background Subcision method is one of the main techniques for treatment of acne scars or stromal‐vascular fraction (SVF) and combined therapy can improve treatment strategy. Objective To use subcision method along with SVF for treatment of acne scar and comprised with alone subcision method. Materials and Methods In this double‐blind clinical trial study, 10 patients with acne scars were entered into the study. Subcision technique was randomly performed on one side of the face and subcision technique plus SVF on opposite side of the face. All patients were examined before treatment and after 3 months by Visioface for volume, area, and depth of scars, as well as thickness and density of the epidermis and dermis of the scars in question. In addition, doctor's and patients' satisfaction, tolerability, and safety were determined after 3 months of treatment. Finally, statistical analysis was done by SPPS, version 25. Results In terms of volume and area of scars, the mean percent change was 46.55 ± 13.92 and 44.60 ± 5.76, for the case group, and 13.31 ± 9.27 and 11.28 ± 9.64 for the control group, respectively. So, combined therapy led to significant recovery compared with alone subcision method (p value < 0.001). In both interventions, the increase of density and thickness was proven after treatment, also a significant difference in complete, epidermal, and dermal thickness and epidermal density variables was observed between combined therapy and alone subcision (p value < 0.05). Mean score of doctor's and patients' satisfaction in combined therapy (7.10 ± 0.74 and 7.10 ± 0.99, respectively), was also significantly higher than subcision alone (5.50 ± 0.53 and 5.30 ± 1.25, respectively). Finally, no complications were observed in the patients. Conclusion According to the acquired results, combined therapy can be considered as effective and safe treatment for acne scars with significant higher efficacy compared with subcision alone.