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    Effect of different latency periods on distraction osteogenesis in an experimental rabbit model Distraction osteogenesis and latent period
    (Bayrakol Medical Publisher, 2023) Kilic, Mehmet; Yurteri, Ahmet; Sokucu, Sami; Cetin, Mehmet Umit; Ozkan, Serbay; Cetin, Engin; Senturk, Gozde Erkanli
    Aim: This work used immunohistochemical and radiographic analysis to show how latency time affects distraction osteogenesis in animals. Material and Methods: Eighteen rabbits had right femur drill osteotomies and external fixators. Latency duration split the rabbits into three groups. Groups 1, 2, and 3 had latency times of 1, 5, and 10 days. After the latency period, all groups had a 20-day consolidation phase. After consolidation, the animals were euthanized, and immunohistochemical, histological, and radiological studies were performed on the distraction-induced callus tissue. Results: In radiological evaluation, there was no significant difference between Group 1 and Group 2 and Group 2 and Group 3 (p=1,000, p=0,066). Group 1 and 3 differed (p=0.018). Histopathological assessment showed no significant difference between Group 1 and Group 2 or Group 2 and Group 3 (p= 0,557, p=0,062). Group 1 and 3 differed (p=0,001). Group 3 had more osteocalcin-positive cells than Groups 1 and 2. Discussion: Histopathological and radiographic methods showed that a 10-day distraction osteogenesis latency time in rabbit femurs is safer than 1 and 5-day periods. Human distraction osteogenesis latency must be determined by clinical trials.
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    How Many Bundles Does the Anterior Cruciate Ligament Consist of? A Case Report
    (Kare Publ, 2023) Gunaydin, Burak; Ozcaglayan, Tugba Ilkem Kurtoglu; Sever, Cem; Oznur, Meltem; Cetin, Mehmet Umit; Can, Erdem; Eren, Osman Tugrul
    In some cases with anterior cruciate ligament (ACL) injury, physical examination and magnetic resolution imaging cannot clearly identify whether the ACL is intact or partially or completely ruptured. A 40-year-old female patient was admitted to our clinic with complaints of knee pain. After the requested examinations, we could not clearly identify whether the ACL was intact or partially or completely ruptured. Arthroscopic knee surgery was planned for the patient. In diagnostic arthroscopy, it was also determined that there was a multibundle ACL that was not surrounded by the synovium and was tight in the figure 4 position. The surgery was completed by repairing the meniscal tear. It was seen in the current case report that the ACL was a multibundle structure without overlying synovium around. In such cases, it is difficult to evaluate the ACL, and it should be kept in mind that there may also be variations of the ACL.