Publications by authors named "Atkovar G"

Background: Ganglioneuroblastomas (GNBs) are rare embryonic neoplasms in the spectrum of neuroblastic tumours and 80% of cases occur in the first decade. In adults, GNBs are usually located in the retroperitoneum, mediastinum and neck but intracranial GNBs are extremely rare.

Case Report: A 34-year-old male applied to the Department of Neurology outpatient clinic with a two month history of headache and numbness in his legs.

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In this study, the peripheral dose outside the applicator was measured using electron beams produced by an Oncor linear accelerator and compared with the data of the treatment planning system (TPS). The dose profiles have been measured, by using a water-equivalent slab phantom and a parallel plate ionisation chamber, at 6, 9 and 15 MeV energy levels in 5×5, 10×10, 15×15, 20×20 and 25×25 cm(2) applicators and at 0, 10 and 20° gantry angles; and at the surface, 0.2, 0.

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Purpose: To evaluate the role of postoperative radiotherapy (RT) in local control and survival and to identify treatment-related prognostic factors in uterine sarcomas.

Methods: Sixty patients with uterine sarcomas treated with postoperative RT were retrospectively analyzed. Median age was 49.

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Aim: To standardize diagnosis and treatment of childhood Wilms tumor (WT) in Turkey.

Methods And Patients: Between 1998 and 2006, WT patients were registered from 19 centers. Patients <16 years with unilateral WT whose treatment started in first postoperative 3 weeks were included.

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Surgical or medical ovarian ablation is likely to be the treatment of choice at the current time, radiation ablation (RA) can be still a reasonable alternative. The efficacy and toxicity of radiation therapy (RT) for ovarian function suppression in 118 premenopausal breast cancer patients were retrospectively evaluated. The median age was 39 years (range 21-52 years).

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We report the case of a patient who underwent laparoscopic removal of a retained surgical spatula two months after a total abdominal hysterectomy and bilateral salpingo-oophorectomy for endometrial carcinoma. The foreign body was detected on a routine radiograph while the patient was been prepared for radiotherapy. Laparoscopy allowed us to explore the entire abdominal cavity for any potential complications of the retained instrument, and the procedure was completed successfully.

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Purpose: Intrauterine tandem placement can be difficult in brachytherapy for cervical cancer. A prospective study was planned to investigate transvaginal ultrasound (TVU) guidance for intrauterine tandem insertions in the treatment of cervix cancer.

Methods And Materials: Between January 1997 and January 2002, TVU was used after pelvic external beam radiotherapy in 48 cervical cancer patients with a high complication risk because the cervical canal orifice could not be identified and/or the patients could not undergo hysterometry.

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Purpose: To evaluate the results and complications of treatment with high dose rate (HDR) compared to low dose rate (LDR) brachytherapy in cervical carcinoma.

Methods: Three hundred and seventy patients who were treated with external irradiation and intracavitary brachytherapy and followed for more than 2 years between 1978 and 1998 have been recently updated. The low dose rate group consisted of 77 cases treated between 1978 and 1982 and HDR group consisted of 293 cases treated between 1982 and 1998.

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Background: Although metastasis to bone is common in solid tumors, it seldom occurs in endometrial carcinoma. It is usually seen together with abdominopelvic recurrences and/or other organ metastases. Furthermore, bone metastases involving only the lower limbs are seen extremely rare.

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Background: The aim was to evaluate the characteristics of Wilms' tumor and the results of combined modality treatment obtained in our center in Turkey.

Methods: From January 1978 to December 1996, 106 patients with Wilms' tumor were diagnosed. Of these 106 patients, 61 were male and 45 were female (M/F = 1,35); the median age at diagnosis was 39 months.

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This paper presents long-term results of a randomised study of ornidazole as a radiosensitiser in locally advanced carcinoma of the cervix. A total of 76 patients were randomised and followed-up with a median of 85 months. All patients were treated with external and intracavitary irradiation.

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In order to assess the role of postoperative radiotherapy and prognostic factors, 126 patients who were treated with radiotherapy after surgery for clinical early-stage carcinoma of the cervix were reviewed. All patients received external pelvic radiotherapy and 37 patients were treated with additional vaginal cuff irradiation. The 5-year overall survival, disease-free survival and locoregional control rates were 71.

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