Person: EROL, BÜLENT
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EROL
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BÜLENT
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Publication Metadata only Pelvic ewing sarcoma: a single center experience(2022-11-01) EROL, BÜLENT; TOKUÇ, AYŞE GÜLNUR; EKER, NURŞAH; Baysal B., EROL B., TOKUÇ A. G. , EKER N., Senay R.Publication Metadata only Pelvik ve alt ekstemite yerleşimli ewing sarkomlu olgularımızda tedavi sonuçlarımız(2017-04-23) ÖZGEN, ZERRİN; EROL, BÜLENT; TOKUÇ, AYŞE GÜLNUR; EKER, NURŞAH; Özgen Z., Erol B., Tokuç A. G. , Alan Ö., Eker N., Gül D.Publication Metadata only Staged management of infection with adjustable spacers after megaprosthesis implantation in primary sarcoma patients(2023-03-01) ŞİRİN, EVRİM; AKGÜLLE, AHMET HAMDİ; EROL, BÜLENT; ŞİRİN E., Sofulu O., Baysal O., AKGÜLLE A. H., EROL B.BackgroundWhile periprosthetic joint infection has always been a significant concern for orthopaedic surgeons, the rate of infection is five to ten times higher after tumor prosthesis implantation. With the growing use of mega-implants, the number of these infections has also increased. We aimed to investigate the results of our patients with a primary malignant musculoskeletal tumor, who underwent two-stage revision surgery for an infected mega-prosthesis. We also presented the emerging complicatons and required soft tissue reconstruction procedures.MethodsThe study included 32 primary bone and soft tissue sarcoma patients who underwent a two-stage revision procedure for infection. After a rigorous bone and soft tissue debridement procedure at the first stage, antibiotic-loaded bone cement was wrapped around a cloverleaf type intramedullary nail and inserted into the forming gap. After a minimum of 6 weeks of antibiotic therapy, depending on patients\" clinical signs and serum infection markers, the reimplantation stage was undertaken.ResultsThe mean oncologic follow-up period was 28 months (range 5-96 months). During this period, 11 patients died because of non-infection related causes, 12 patients were alive with their disease, whereas 9 patients were totally free of their oncologic condition. The infection was eradicated in all survivors except one patient, where a high-level transfemoral amputation became necessary.ConclusionPeriprosthetic infection after tumor proshesis implantation in cancer patients can be managed with same principles as conventional arthroplaty procedures, taking care that they are immunocompromised and vulnerable patients and their bone stock loss is significant which makes surgical options more challenging.Publication Metadata only Is radiological rotation measurement affected by the fracture pattern in pediatric supracondylar humeral fractures(2023-01-01) ŞAHBAT, YAVUZ; BAYSAL, ÖZGÜR; POLAT, MUHAMMED SAİD; BÜYÜKTOPÇU, ÖMER; EROL, BÜLENT; AKGÜLLE, AHMET HAMDİ; ŞAHBAT Y., BAYSAL Ö., Ağırdil Y., POLAT M. S., BÜYÜKTOPÇU Ö., Shammadli Z., EROL B., AKGÜLLE A. H.Background: In supracondylar humerus fractures (SCHF), the most frequently used method to calculate rotation is the Gordon lateral rotation percentage (GLRP) defined by Gordon et al. However, this technique includes only typical fractures (49%–80% of all fractures) from the Johns Hopkins (J-H) fracture classification system. Purpose: The aim of the study was to investigate (1) is Gordon criteria useful for John Hopkins subgroups of supracondylar fractures and (2) is Gordon criteria affected by internal and external rotation. Material and Methods: This study was designed using four pediatric left humerus bones obtained from the Sawbone© company. For each bone, an osteotomy was made to mimic each of the J-H coronal fracture patterns. The cut bones were placed in a wooden rotation apparatus. The GLRP measurements were taken by five blinded observers. Results: In the repeated measurements of the observers, <20° rotation typical and <30° medial oblique and lateral oblique fracture pattern were measured as within the limits of an acceptable amount of rotation according to the Gordon criteria. However, for high fracture pattern (HFP), ≤30° internal rotation and <60° external rotation were determined to be within the acceptable rotation criteria according to the Gordon criteria. Conclusions: All fracture patterns have different characteristics; however, based on the data of this study, the Gordon criteria can be used safely for typical, medial oblique, and lateral oblique fracture patterns but it is necessary to lower the acceptable rate of 50% for HFP.