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Case Report : Subcutaneous Sarcoidosis with Plantar Involvement
( Gokhan Celik ),( Aydin Ciledag ),( Pinar Akin ),( Yasin Simsek ),( Akin Kaya ),( Numan Numanoglu ),( Yavuz Yener Saglik ),( Ayse Boyvat ),( Selim Erekul ) 대한피부과학회 2010 Annals of Dermatology Vol.22 No.4
Sarcoidosis is a multisystem granulomatous disorder of an unknown etiology. Subcutaneous sarcoidosis is a rare manifestation of sarcoidosis, and plantar involvement is extremely rare and there is only one such case report in the medical literature. Herein we present an interesting case of a patient who was diagnosed as having subcutaneous sarcoidosis at a plantar localization because plantar involvement is extremely rare and also because of the successful outcome after performing intralesional corticosteroid therapy. (Ann Dermatol 22(4) 435~438, 2010)
Processing of in-situ SiC reinforced AlN based composites
Ayse Kalemtas,Gursoy Arslan,Pinar Kaya,Servet Turan,Ferhat Kara 한양대학교 세라믹연구소 2018 Journal of Ceramic Processing Research Vol.19 No.2
In this study, highly dense (>97%) in-situ SiC reinforced AlN based ceramic-metal composites were produced by pressurelessreactive infiltration of 7075 aluminium alloys into porous α-Si3N4, α-Si3N4 + 4 wt. % carbon and α-Si3N4 + 8 wt. % carbonpreforms at 1400 oC for 4 hours under an argon gas atmosphere. X-ray diffraction and transmission electron microscopyanalysis of the designed α-Si3N4-Al and α-Si3N4-C-Al composites revealed that Si3N4 was completely consumed during theinfiltration process via reacting with the Al alloy and resulted in the formation of AlN and Si phases. The aim of the currentwork was to introduce a novel method to produce in-situ SiC reinforced AlN based ceramic-metal composites. Composites withrelatively low metal contents were successfully fabricated through incorporating active carbon to the starting α-Si3N4 powder,which in turn consumes the liberated metallic Si phase in the system via chemical reactions leading to the formation of SiCceramic phase. Formation of in-situ SiC, AlN and metallic Si were also confirmed by analytical transmission electronmicroscopy investigations.
Besta Hazal Gumuscu,Eylul Pinar Kisa,Begum Kara Kaya,Rasmi Muammer 대한통증학회 2023 The Korean Journal of Pain Vol.36 No.2
Background: Neck pain is a common problem in the general population and second only to low back pain in musculoskeletal problems. The aim of this study is to compare three different types of exercise training in patients with chronic neck pain. Methods: This study was conducted on 45 patients with neck pain. Patients were divided into 3 groups: Group 1 (conventional treatment), Group 2 (conventional treatment plus deep cervical flexor training), and Group 3 (conventional treatment plus stabilization of the neck and core region). The exercise programs were applied for four weeks, three days a week. The demographic data, pain intensity (verbal numeric pain scale), posture (Reedco’s posture scale), cervical range of motion ([ROM] goniometer), and disability (Neck Disability Index [NDI]) were evaluated. Results: In all groups, a significant improvement was found in terms of pain, posture, ROM, and NDI values in all groups (P < 0.001). Between the groups, analyses showed that the pain and posture improved more in Group 3, while the ROM and NDI improved more in Group 2. Conclusions: In addition to conventional treatment, applying core stabilization exercises or deep cervical flexor muscle training to patients with neck pain may be more effective in reducing pain and disability and increasing ROM than conventional treatment alone.