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    Brown Tumors: A Case Report and Review of the Literature
    (Karger, 2016) Can, Ozgur; Boynueğri, Başak; Gökçe, Ali Murat; Özdemir, Ebru; Ferhatoglu, Ferhat; Canbakan, Mustafa; Apaydın, Süheyla; Titiz, Mesut İzzet
    Brown tumors are focal bone lesions, encountered in patients with uncontrolled hyperparathyroidism. They can be located in any part of the skeleton. Clinically significant lesions in the craniofacial bones are rare. Craniofacial involvement may cause facial disfiguration and compromise social ease of the patient and normal functions, such as chewing, talking, and breathing. In this case report, we present a patient with a brown tumor of the craniofacial bones provoked by secondary hyperparathyroidism and review the last 10 years of craniofacial brown tumors associated with secondary hyperparathyroidism in the English literature. (C) 2016 The Author(s) Published by S. Karger AG, Basel
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    Efficacy and safety of trastuzumab emtansine in older patients with HER2-positive advanced breast cancer: a real-world study
    (Sage Publications Ltd, 2022) Cil, İbrahim; Kücükarda, Ahmet; Atci, Muhammed Mustafa; Secmeler, Saban; Paksoy, Nail; Ferhatoglu, Ferhat; Aydiner, Adnan; Avcı, Okan
    Introduction: Ado-trastuzumab emtansine (T-DM1) is an antibody-drug conjugate and its survival advantage has been shown in advanced human epidermal growth factor receptor 2 (HER2)-positive breast cancer. However, clinical trials underrepresent patients > 65 years of age, leading to a lack of information in this population. We analyzed the real-world outcomes of older women who were treated with T-DM1 therapy. Methods: We performed a multicenter, observational, retrospective analysis of patients aged > 65 years treated with T-DM1. A total of 93 patients from 10 cancer centers were involved in the study. Our goal was to determine the survival, response rates, and toxicity profile in T-DM1-treated patients, as well as the factors that influence survival. Results: Median follow-up was 12.2 months. Objective response rate was 29%. Median progression-free survival (PFS) and overall survival (OS) were 8.47 and 15.0 months, respectively. In multivariate analysis, Eastern Cooperative Oncology Group Performance Score 2 was found to be an independent prognostic factor for worse PFS (hazard ratio [HR] 1.81, p = 0.032) and OS (HR 2.33, p = 0.006). Any adverse event (AE) was seen in 92.5% of patients; grade 3 or 4 AEs were seen in 30.1%. Dose reduction or treatment discontinuation rates were 11.8% and 6.5%, respectively. Conclusion: The efficacy of T-DM1 was acceptable and it was generally well-tolerated among older patients with advanced HER2-positive breast cancer.