Researcher:
Rozanes, İzzet

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Faculty Member

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İzzet

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Rozanes

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Rozanes, İzzet

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2015 - 201932020 - 20221

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Researcher Of Publications: search.filters.isAuthorOfPublication.08c863ab-2ab3-4552-9a46-40f2c6cc77a3

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    Multiparametric mri guidance in first-time prostate biopsies: what is the real benefit?
    (Turkish Soc Radiology, 2015) Colakoglu, Bulent; Vural, Metin; Saglican, Yesim; Tuerkbey, Baris; N/A; Acar, Ömer; Esen, Tarık; Onay, Aslıhan; Rozanes, İzzet; Faculty Member; Faculty Member; Doctor; Faculty Member; School of Medicine; School of Medicine; N/A; School of Medicine; N/A; N/A; Koç Universitiy Hospital; N/A; 237530; 50536; N/A; 125890
    PURPOSE With the increased recognition of the capabilities of prostate multiparametric (mp) magnetic resonance imaging (MRI), attempts are being made to incorporate MRI into routine prostate biopsies. In this study, we aimed to analyze the diagnostic yield via cognitive fusion, transrectal ultrasound (TRUS)-guided, and in-bore MRI-guided biopsies in biopsy-naive patients with positive findings for prostate cancer screening. METHODS Charts of 140 patients, who underwent transrectal prostate biopsy after the adaptation of mp-MRI into our routine clinical practice, were reviewed retrospectively. Patients with previous negative biopsies (n=24) and digital rectal examination findings suspicious for >= cT3 prostate cancer (n=16) were excluded. T2-weighted imaging, diffusion-weighted imaging, and dynamic contrast-enhanced imaging were included in mp-MRI. Cognitive fusion biopsies were performed after a review of mp-MRI data, whereas TRUS-guided biopsies were performed blinded to MRI information. In-bore biopsies were conducted by means of real-time targeting under MRI guidance. RESULTS Between January 2012 and February 2014, a total of 100 patients fulfilling the inclusion criteria underwent TRUS-guided (n=37), cognitive fusion (n=49), and in-bore (n=14) biopsies. Mean age, serum prostate specific antigen level, and prostate size did not differ significantly among the study groups. In TRUS-guided biopsy group, 51.3% were diagnosed with prostate cancer, while the same ratio was 55.1% and 71.4% in cognitive fusion and in-bore biopsy groups, respectively (P = 0.429). Clinically significant prostate cancer detection rate was 69.1%, 70.3%, and 90% in TRUS-guided, cognitive fusion, and in-bore biopsy groups, respectively (P = 0.31). According to histopathologic variables in the prostatectomy specimen, significant prostate cancer was detected in 85.7%, 93.3%, and 100% of patients in TRUS-guided, cognitive fusion, and in-bore biopsy groups, respectively. CONCLUSION In the first set of transrectal prostate biopsies, mp-MRI guidance did not increase the diagnostic yield significantly.
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    Giant celiac artery aneurysm treated with a flow-diverting multilayer stent: early rupture as a fatal complication
    (Elsevier, 2017) Coşkun, Bilgen; Akpek, Sergin; N/A; N/A; N/A; Rozanes, İzzet; Erkan, Murat Mert; Ateş, Mehmet Şanser; Faculty Member; Faculty Member; Teaching Faculty; School of Medicine; School of Medicine; School of Medicine; 125890; 214689; 230797
    N/A
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    PublicationOpen Access
    Successful pregnancy after presurgical uterine artery embolization in the management of a very large cervical myoma: a case report
    (Elsevier, 2022) Akhan, Süleyman Engin; Yaşa, Cenk; Dural, Özlem; Uğurlucan, Funda Güngör; Rozanes, İzzet; Faculty Member; School of Medicine; 125890
    Although fibroids are the most common benign tumors of the uterus in women of reproductive age, cervical fibroids are rarely seen. Since cervical fibroids are located deep in the pelvis, the incidence of complications in surgery is high. Among these complications bleeding is the most common, due to poor access to myoma, difficulty in suturing and repair, and distortion of vital neighboring structures. Each case should be managed individually to minimize bleeding. To decrease bleeding in patients who wish to retain their fertility, intraoperative interventions include vasoconstrictors such as vasopressin and adrenaline, uterotonics such as oxytocin, misoprostol or ergometrines, uterine artery clamping, internal iliac artery balloon occlusion catheters, and tourniquets; preoperative interventions include gonadotropin releasing-hormone analogues and uterine artery embolization. We present a case of a 40-year-old woman who had a large cervical myoma and a desire for future fertility. To overcome technical difficulties and reduce intraoperative bleeding during myomectomy, presurgical uterine artery embolization was performed. The patient conceived spontaneously after the operation and a healthy baby was delivered by cesarean section.
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    PublicationOpen Access
    Dealing with the gray zones in the management of gastric cancer: the consensus statement of the İstanbul Group
    (Aves, 2019) Aytaç, Erman; Çiçek, Bahattin; Erdamar, Sibel; Güven, Koray; Karahasanoğlu, Tayfun; Atalar, Banu; Tozun, Nurdan; Arıcan, Ali; Hamzaoğlu, İsmail; Baca, Bilgi; Saruç, Murat; Göksel, Süha; Demir, Gökhan; Ağaoğlu, Fulya; Yakıcıer, Cengiz; Özbek, Uğur; Özben, Volkan; Özyar, Enis; Güner, Ahmet Levent; Er, Özlem; Bölükbaşı, Yasemin; The İstanbul Group; N/A; N/A; N/A; N/A; N/A; Gürses, Bengi; Falay, Fikri Okan; Selçukbiricik, Fatih; Rozanes, İzzet; Mamuş, Ayşe Ezgi; Buğra, Dursun; Aslan, Fatih; Kaban, Kerim; Faculty Member; Teaching Faculty; Faculty Member; Faculty Member; Faculty Member; Faculty Member; School of Medicine; N/A; N/A; N/A; N/A; 27211; N/A; N/A; N/A; N/A
    The geographical location and differences in tumor biology significantly change the management of gastric cancer. The prevalence of gastric cancer ranks fifth and sixth among men and women, respectively, in Turkey. The international guidelines from the Eastern and Western countries fail to manage a considerable amount of inconclusive issues in the management of gastric cancer. The uncertainties lead to significant heterogeneities in clinical practice, lack of homogeneous data collection, and subsequently, diverse outcomes. The physicians who are professionally involved in the management of gastric cancer at two institutions in Istanbul, Turkey, organized a consensus meeting to address current problems and plan feasible, logical, measurable, and collective solutions in their clinical practice for this challenging disease. The evidence-based data and current guidelines were reviewed. The gray zones in the management of gastric cancer were determined in the first session of this consensus meeting. The second session was constructed to discuss, vote, and ratify the ultimate decisions. The identification of the T stage, the esophagogastric area, imaging algorithm for proper staging and follow-up, timing and patient selection for neoadjuvant treatment, and management of advanced and metastatic disease have been accepted as the major issues in the management of gastric cancer. The recommendations are presented with the percentage of supporting votes in the results section with related data.