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Article Musculoskeletal Tumors in Orthopaedic Oncology: Current Concepts, Challenges, and Multidisciplinary Management(Elsevier B.V., 2026) Çepni, S.; Sezgin, B.S.; Arıcan, N.; Akkurt, M.O.; Hatipoglu, P.T.; Duran, S.; Tevlek, A.Orthopedic oncology encompasses the diagnosis and treatment of both benign and malignant bone and soft tissue tumors, necessitating a multidisciplinary approach for optimal care. This review provides a thorough examination of modern treatment modalities, encompassing surgical procedures, chemotherapy, radiotherapy, and rehabilitation. It emphasizes the importance of the collaborative effort between orthopedic surgeons, radiologists, oncologists, and pathologists. Continuous collaboration among these disciplines not only improves diagnostic precision but also facilitates timely decision-making throughout the patient's treatment journey. The synergy of multidisciplinary expertise fosters diagnostic accuracy, individualized therapeutic strategies, and superior patient outcomes through coordinated, evidence-driven decision-making. This review promotes the ongoing improvement of multidisciplinary care in orthopedic oncology by incorporating recent research findings and advancements, with the objective of enhancing the quality of life and treatment success of patients with musculoskeletal malignancies. © 2026 The AuthorsArticle Citation - Scopus: 6A Generalization of the Meir–keeler Type Contraction(Elsevier B.V., 2012) Chi,K.P.; Karapinar,E.; Thanh,T.D.In this paper, we prove a fixed point theorem which has applications on maps called T-contractions which include a class that satisfies the Meir–Keeler type contractive condition. We also present an example that illustrates that T-contractions are a natural extension of the Meir–Keeler type contraction. © 2012Article The Effect of Two Different Types of Daily Disposable Monofocal Contact Lenses on Ocular Wavefront Aberrations(Elsevier B.V., 2025) Yakar, K.Background: To compare the effect of two daily disposable soft contact lenses on ocular wavefront aberrations. Methods: This study included 34 eyes from 17 patients aged 18 to 40 years (mean age: 27.12±8.3 years) with identical myopic refractive errors in both eyes without astigmatism and requesting contact lens use. Initially, wavefront aberrations; total, tilt, high, total coma, total trefoil, total 4.foil, sphere, high astigmatism, RMS (3 mm/5 mm) were measured using Nidek OPD Scan II aberrometer/topograph in both eyes without contact lenses. Acuvue Oasys with HydraLuxe 1-Day (senofilcon A) daily disposable contact lenses were applied to the right eye, while Precision 1 (verofilcon A) daily disposable contact lenses were applied to the left eye based on refractive errors. Wavefront aberration measurements were repeated 60 min later with contact lenses, and aberrations were compared to baseline and fellow eyes' measurements. The magnitudes of aberration changes after contact lens application were analyzed. Results: Both types of daily disposable contact lenses reduced total wavefront aberrations. Acuvue Oasys with HydraLuxe 1-Day contact lenses showed a significant increase in total trefoil aberration (p = 0.048). Precision 1 contact lenses showed a significant increase (p = 0.034) only in total tilt aberrations compared to baseline. No significant differences were found between the lenses regarding changes in all wavefront aberrations. Conclusion: Both daily disposable lenses effectively reduced total wavefront aberrations, though they increased certain subtypes of high-order aberrations in young adult myopes. © 2025 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC license. http://creativecommons.org/licenses/by-nc/4.0/
