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    Computed tomography analysis of the infraorbital canal and adjacent anatomical structures
    (Wiley, 2024) Karatag, Ozan; Guclu, Oguz; Ozer, Sule; Oztoprak, Bilge; Resorlu, Mustafa; Oztoprak, Ibrahim
    This study aimed to investigate the incidence of infraorbital canal (IOC) protrusion into the maxillary sinus via computed tomography (CT) and classify its variations. Additionally, it sought to identify nearby sinonasal variations that might elevate the risk of iatrogenic injury. Paranasal sinus CT of 500 patients was evaluated retrospectively. The IOC types were categorized. The length of the IOC, septum, the distance between the maxillary ostium and IOC (dOI), the presence of Haller cells, IOC-related intra-sinus opacity, and IOC dehiscence were investigated. The prevalence of type 3 IOC was 12%, of which 9.2% were type 3c. The maximum length of the IOC was positively correlated with type 3 IOC. A significant difference was found between IOC types in terms of dOI only on the left side. On both sides, the incidence of Haller cells was greater in patients with type 2 IOC than in those with type 1 and in patients with type 3 IOC than in those with type 2. IOC-related opacity and IOC dehiscence were more common in types 2 and 3 IOCs. The assessment of preoperative IOC types and neighboring anatomical structures by CT imaging is of great significance in preventing iatrogenic damage. This study aimed to investigate the incidence of infraorbital canal (IOC) types and sinonasal variations via computed tomography. The length of the IOC, septum, the distance between the maxillary ostium and IOC (dOI), presence of Haller cells, IOC-related intra-sinus opacity, and IOC dehiscence were also investigated. The CT assessment of preoperative IOC types and neighboring anatomical structures is of great significance in preventing iatrogenic damage.image
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    Evaluation of the Hospitalized Coronavirus Disease 2019 Patients in First 3 Months of the Pandemic
    (Aves, 2022) Alkan, Sevil; Akca, Anil; Sener, Alper; Dogan, Ebru; Gonlugur, Ugur; Simsek, Tuncer; Ozer, Sule
    OBJECTIVE: Data about Turkish coronavirus disease 2019 patients are limited. We evaluated hospitalized coronavirus disease 2019 patients who were followed up in the first 3 months of the pandemic. MATERIAL AND METHODS: This retrospective, single-center, observational study included 415 confirmed hospitalized coronavirus disease 2019 patients. The patients were divided into groups, namely, mild, moderate, and critically ill patients. Symptoms at the time of admission, clinical, laboratory, and imaging findings were examined. RESULTS: In our study, 6.74% of coronavirus disease 2019 patients had severe disease, 59.5% were male, and the mortality rate was 11.3%. Diabetes mellitus and chronic obstructive pulmonary disease were more frequently seen in critically ill patient groups and hyper- tension in moderate patient groups. Anemia and aspartate aminotransferase levels were higher in non-survivors among mild coronavirus disease 2019 patients. In the moderate patients' group, aspartate aminotransferase, lactate dehydrogenase, international normalized ratio, ferritin, and D-dimer levels were higher and lymphocyte, hemoglobin levels were lower; in the critically ill patients' group, platelets were lower and uric acid levels were higher in non-survivor patients. CONCLUSION: In mild patients, anemia, lymphopenia, and increased aspartate aminotransferase levels; in moderate patients, leukopenia, anemia, and increased aspartate aminotransferase, lactate dehydrogenase, international normalized ratio, ferritin, and D-dimer levels; in the critically ill patient group, lower platelet and increased uric acid levels should he followed closely as they are mortality predictors.
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    Frequency and Clinical Significance of Incidental Findings Detected in Internal Acoustic Canal Magnetic Resonance Imaging of Patients with Audiovestibular Symptoms
    (Kare Publ, 2022) Eker, Nebil; Karatag, Ozan; Resorlu, Mustafa; Ozer, Sule; Eker, Esen; Guclu, Oguz; Ozkurt, Huseyin
    Objectives: Retrocochlear pathology associated with audiovestibular symptoms is detected in very few of the patients, and most of the internal acoustic canal magnetic resonance imaging examinations (IAC-MRIs) are either completely normal or include accompanying incidental findings (IFs). The aim of our study is to reveal the presence and frequency of IFs in IAC-MRIs, together with retrocochlear lesions. In addition, we intend to emphasize the clinical importance of these IFs. Methods: A retrospective analysis of 374 serial IAC-MRI scans. Results: Gender distribution: 201 males and 173 females. Age range: 2-82 years. Seventy-two scans (19.25%) were totally normal. Fifteen scans (4.01%) demonstrated only pontocerebellar angle findings (PCAFs). The presence of PCAF and IF was together in 57 scans (15.24%). In 230 (61.50%) of the scans, only IFs were present. The incidence of IFs in all IAC-MRIs was 76.74% (287 of 374). Critical findings that may require clinical further evaluation and examination were present in 34 scans (9.09%). IFs that did not require further examination were observed in 253 scans (67.65%). Conclusion: Various IFs can be detected with IAC-MRI that may cause similar symptoms with PCAF. And unfortunately, some of these IFs may be of very high clinical importance. All referral clinicians should know well that these audiovestibular symptoms can appear as IFs anywhere in the auditory pathway, and how they should be followed in their clinical approach.
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    Loculated transudate
    (Cukurova Univ, Fac Medicine, 2020) Gonlugur, Ugur; Gonlugur, Tanseli; Ozer, Sule
    [Anstract Not Available]
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    Middle Lobe Syndrome Associated with Bronchial Anthracofibrosis
    (Vilnius University Press, 2020) Gonlugur, Ugur; Gonlugur, Tanseli; Ozer, Sule
    Bronchial anthracofibrosis has been defined as airway narrowing associated with dark pigmentation on bronchoscopy without an appropriate history of pneumoconiosis or smoking. We present a case of a 67-year-old, non-smoking female patient who was referred to our clinic for two years of persistent cough. Spirometry was within normal limits. Radiological evaluation showed right middle lobe atelectasis and positron emission tomography-positive mediastinal lymph nodes. Bronchoscopy revealed black airway discoloration and distortions. In conclusion, we propose monthly radiological controls before an invasive procedure in such cases if a strong suspicion of malignancy/tuberculosis is not present. © 2020 Ugur Gonlugur, Tanseli Gonlugur, Sule Ozer. Published by Vilnius University Press.
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    Sesamoid bones of the hand: A multicenter study
    (Turkish Joint Diseases Foundation, 2020) Civan, Osman; Sekerci, Rahime; Ercikti, Nurcan; Ozer, Sule; Guvenc, Inane; Cevik, Nigar Keles; Ozcanli, Haluk
    Objectives: This study aims to document a detailed investigation on the sesamoid bones (SBs) of Turkish subjects from different parts of Turfy in a multi-center study, in both hands, according to gender, frequency and divisions of the bones coexistence and bilaterality by radiography. Patients and methods: This retrospective and three-centered study was performed between June 2010 and April 2012. Sesamoid bones were examined by anteroposterior and oblique X-rays of 1,444 hands of 772 subjects (367 males, 405 females; mean age 42.7 years; range, 18 to 87 years). All X-rays were evaluated by at least two independent observers. In controversial circumstances, at least three observers together gave the final decision by consensus. Results: Metacarpophalengeal (MCP) joint of the thumb (MCP 1) had sesamoid in all subjects (100%) and it was seen bilaterally. The prevalence of the SB was 42.8% in the second MCP joint (MCP 2) in 772 subjects and 36.6% in 1,444 hands, 1.6% in the third MCP joint (MCP 3) for the subjects and 1.1% for the hands, 0.1% in the fourth MCP joint (MCP 4) for the subjects and 0.1% for the hands, and 72.5% in the fifth MCP joint (MCP 5) for the subjects and 62.5% for the hands. The prevalence of SB in the first interphalangeal joint (IP 1) was 21.8% and SB was detected in 186% of the hands. Sesamoid bones of the MCP 2, MCP 5, and IP 1 was recorded more frequently in females. Sesamoid bone of the same joints (MCP 2, MCP 5 and IP 1) was detected more frequently bilaterally than unilateral right side and more frequently unilaterally on right side than unilateral left side. Conclusion: The distribution of SBs varies according to hand regions, gender, and side. Having knowledge of the locations and the rate of bilaterality of SBs may assist clinicians in both clinical and radiological diagnoses.