Background:
There are several treatment options for keratoacanthoma (KA). However, there are limited data available on the use of cryosurgery.
Objective:
To evaluate the effectiveness and safety of a combination treatment for KA and to evaluate the cosmetic outcome.
Materials and Methods:
The combination treatment incorporates the use of curettage, electrodessication, and cryotherapy. A retrospective study was conducted on 90 patients with KA who had been treated with this method between 2000 and 2014. The follow-up period lasted 2 years and photographs were available for every visit of the patients to the department.
Results:
The success rate was found to be 97.8%. No serious adverse events were observed. No infections were reported. The cosmetic outcome was evaluated as excellent for all patients.
Discussion:
The combination method appears to combine the advantages of both destructive treatment and surgical excision. It appears to be a safe and effective treatment method. However, there are certain limitations to this study.
Conclusions:
More studies are needed to evaluate the effectiveness and safety of this method.
In this study, we investigated the association between weather type (WT) and urban heat island intensity (UHII) in the region of Attica (Greece). The application of the methodology resulted in ten WTs over the Attica region. The UHII was calculated for every hour of the day from 2008 to 2017, using a new air temperature dataset produced by Copernicus Climate Change Service. To obtain more definitive findings about the relationship between WTs and UHII, we also used the upper 5% of UHII (urban overheating, UO). UO was estimated for two time intervals (daytime and nighttime) and for the warm period (June–September). The UHII frequency distribution, as well as the spatiotemporal characteristics of the UO, were also investigated. It was found that UO was amplified under WT2 during the night, while WT10 was mainly related to increased UO magnitudes in the daytime in all months. Furthermore, analysis results revealed that the UO effect is more pronounced in Athens during the night, especially at the Athens center. The daytime hot spots identified were mainly in suburban and rural areas. Therefore, this methodology may help with heat mitigation strategies and climate adaptation measures in urban environments.
In this study we investigated the association between weather types (WTs) and the Urban Heat Island Intensity (UHII) in the region of Attica (Greece). The application of the methodology results in ten WTs over Attica region. The UHII was calculated for every hour of the day from 2008 to 2017, using a new air temperature dataset produced by Copernicus Climate Change Service. To have more clear results concerning the association between WTs and UHII, we have used also the upper 5% of UHII (Urban Overheating-UO). The UO have been estimated for two-time intervals (daytime and nighttime) and for the warm period (June-September). The UHII frequency distribution as well as the spatial characteristics of the UO were also investigated. It was found that UO was amplified under WT2 during the night while, WT10 was mainly responsible for exacerbated UO magnitude at daytime, in all months. Furthermore, analysis results revealed that the UO effect is more pronounced in Athens during the night, especially at Athens center. The daytime hot-spots identified mainly in sub-urban and rural areas. Therefore, this methodology may help for heat mitigation strategies and climate adaptation measures, in urban environments.
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