Browsing by Author "Yaprak, Gökhan"
Now showing items 1-8 of 8
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CT derived hounsfield unit: An easy way to determine osteoporosis and radiation related fracture risk in irradiated patients
Yaprak, Gökhan; Gemici, Cengiz; Şeşeoğullari, Özgür Ozan; Karabağ, İrem S.; Çini, Nilsu (Frontiers Media S.A., 13.05.2020)Background: We aimed to evaluate osteoporosis, bone mineral density, and fracture risk in irradiated patients by computerized tomography derived Hounsfield Units (HUs) calculated from radiation treatment planning system. ... -
Efficient treatment of resistant orbital pseudotumor with cyberKnife: Case series and short review of literature
Yaprak, Gökhan; Kılıç, Ahmet Kasım; Işık, Naciye; Çelik Yaprak, Dilber; Şeşeoğulları, Özgür Ozan (Southern Clinics of Istanbul Eurasia, 2018)Orbital inflammatory syndrome (OIS) or orbital pseudotumor is the most frequent cause of an orbital mass. Most cases are steroid responsive, but treatment of patients with refractory OIS may also include radiotherapy. ... -
Glioblastoma with extracranial multiple metastasis
Demir, Harun; Ceylaner Bıçakcı, Beyhan; Demircioğlu, Fatih; Yavuzer, Dilek; Yaprak, Gökhan; Metcalfe, Evrim (Turkish Society for Radiation Oncology, 12.2021)[No abstract available] -
Is stereotactic body radiotherapy an alternative to surgery in early stage non small cell lung cancer?
Yaprak, Gökhan; Şeşeoğulları, Özgür Ozan; Akaslan, Bedriye Doğan; Işık, Naciye (Zerbinis Medical Publications, 2019)Purpose: To determine local control and overall survival of patients with medically inoperable early-stage non-small cell lung cancer (NSCLC) treated with stereotactic ablative radiotherapy. Methods: Included were a total ... -
Neurological complication leading to mortality after cyberknife radiosurgery for hypothalamic hamartoma
Yaprak, Gökhan; Kılıç, Ahmet Kasım; Işık, Naciye; Şeşeoğulları, Özgür Ozan (Kartal Dr. Lütfi Kırdar Eğitim ve Araştırma Hastanesi, 2019)Hypothalamic hamartomas (HHs) are congenital abnormalities. They are mostly marked by epileptic seizures and shown in epileptogenesis. Stereotactic radiosurgery (RS), microsurgical resection, endoscopic disconnection, and ... -
Osteoporosis development and vertebral fractures after abdominal irradiation in patients with gastric cancer
Yaprak, Gökhan; Gemici, Cengiz; Temizkan, Şule; Özdemir, Sevim; Doğan, Berfu Cinkit; Seseoğulları, Özgür Ozan (BMC, 2018)Background: Decrease in bone mineral density, osteoporosis development, bone toxicity and resulting insufficiency fractures as late effect of radiotherapy are not well known. Osteoporosis development related to radiotherapy ... -
Pretreatment SUVmax value to predict outcome in patients with stage III NSCLC receiving concurrent chemoradiotherapy
Yaprak, Gökhan; Özçelik, Melike; Gemici, Cengiz; Şeşeoğulları, Özgür (İstanbul İl Sağlık Müdürlüğü, 2019)OBJECTIVE: Stage III disease accounts for approximately one-fourth of all non-metastatic non-small cell lung cancer (NSCLC). The patients who are not candidates for curative resection are offered concomitant chemoradiotherapy. ... -
Volumetric decrease of pancreas after abdominal irradiation, it is time to consider pancreas as an organ at risk for radiotherapy planning
Gemici, Cengiz; Yaprak, Gökhan; Özdemir, Sevim; Baysal, Tamer; Şeşeoğulları, Özgür Ozan; Özyurt, Hazan (BMC, 2018)Background: Volumetric shrinkage of normal tissues such as salivary glands, kidneys, hippocampus are observed after radiotherapy. We aimed to assess the alterations in pancreatic volume of patients who received abdominal ...
