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Commentary on "Gallstone associated celiac trunk thromboembolisms complicated with splenic infarction: A case report"

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World Journal of Clinical Cases 2022年第32期10卷 12059-12061页

作者： Oguzhan Tokur Sonay Aydın mecit kantarci Department of Radiology Ankara Training and Research HospitalAnkara 06230Turkey Department of Radiology Erzincan University Medicine FacultyErzincan 24100Turkey

The present letter to the editor is related to the study titled "Gallstone associatedceliac trunk thromboembolisms complicated with splenic infarction: A casereport". Although gallstones are relatively common diseases, its association withthromboembolism is not fully understood. We aim to emphasize the potentialmechanism of this relationship in this letter. In addition, we wanted to contributeto the causes of the spleen infarction and celiac trunk pathologies.

关键词： Gallstone Spleen Infarct Thrombosis Pain

A complementary comment on primary hepatic angiosarcoma:A case report

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World Journal of Clinical Cases 2023年第8期11卷 1814-1822页

作者： Ali Osman Gulmez Sonay Aydin mecit kantarci Department of Radiology Erzincan UniversityErzincan 24100Turkey

BACKGROUND This article examines primary hepatic angiosarcoma(PHA)and fat-poor angiomyolipoma(AML),two uncommon vascular *** decisions in these situations are frequently aided by pathology reports and imaging *** malignant tumors of the vascular endothelium include *** diagnosis that should not be overlooked when employing contrastenhanced MR and contrast-enhanced computed tomography(CT)imaging techniques is fat-poor AML,one of the uncommon vascular tumors of the *** both conditions,biopsy is the primary means of *** SUMMARY In our article,besides the diagnosis of PHA,fat-poor AML,one of the other rare vascular tumors of the liver,is *** the case,a 50-year-old female patient with VHL Syndrome was admitted to our hospital with nonspecific lesions such as right upper quadrant pain,weight loss,and *** ultrasonography(US)revealed a hypoechoic heterogeneous lesion with occasional faint *** computed tomography,it was observed as a hyperdense nodular lesion in segment *** resonance imaging(MRI)revealed that the lesion did not contain *** connection with the known history of VHL Syndrome,we first evaluated the possibility of ***,a histopathological sample was taken and the diagnosis was made as fat-poor AML with 5%fat *** In conclusion,PHA in our case report and fat-poor AML in our clinic are two uncommon liver vascular malignancies with comparable *** imaging techniques like contrast-enhanced US(CEUS),CECT,and CEMRI give us substantial advantages in both ***,a biopsy is used to provide the final diagnosis.

关键词： Primary hepatic angiosarcoma Hepatic angiomyolipoma Ultrasonic diagnosis Imaging Pathology Case report

Utility of diffusion-weighted imaging in the diagnosis of inguinal lymph node metastasis with malignant melanoma

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World Journal of Clinical Cases 2014年第2期2卷 42-44页

作者： Ummugulsum Bayraktutan mecit kantarci Berhan Pirimoglu Hayri Ogul Aylin Okur Nesrin Gursan Department of Radiology School of Medicine Atatürk University Department of Pathology School of Medicine Atatürk University

Malignant melanoma is a malignancy of pigmentproducing cells(melanocytes) located predominantly in the skin. Nodal metastases are an adverse prognostic factor compromising long term patient survival. Therefore, accurate detection of regional nodal metastases is required for optimization of treatment. Computed tomography(CT) and magnetic resonance imaging(MRI) remain the primary imaging modalities for regional staging of malignant melanoma. However, both modalities rely on size-related and morphological criteria to differentiate between benign and malignant lymph nodes, decreasing the sensitivity for detection of small metastases. Surgery is the primary mode of therapy for localized cutaneous melanoma. Patients should be followed up for metastases after surgical removal. We report here a case of inguinal lymph node enlargement with a genital vesicular lesion with a history of surgery for malignant melanoma on her thigh two years ago. CT and diffusion weighted-MRI(DW-MRI) were applied for the lymph node identification. DW-MRI revealed malignant lymph nodes due to malignant melanoma metastases correlation with pathological findings.

关键词： Diffusion-weighted imaging Magnetic resonance imaging Inguinal lymph node Malignant melanoma Metastasis Apparent diffusion coefficient

Characteristics of the imaging diagnosis of alveolar echinococcosis

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World Journal of Gastrointestinal Surgery 2024年第9期16卷 2748-2754页

作者： Sonay Aydin Baris Irgul Kemal Bugra Memis Volkan Kızılgoz mecit kantarci Department of Radiology Erzincan Binali Yıldırım UniversityFaculty of MedicineErzincan 24100Türkiye Department of Radiology Erzurum Ataturk UniversityErzurum 25000Türkiye

Alveolar echinococcosis(AE)primarily manifests in the liver and exhibits charac-teristics resembling those of slow-growing malignant *** Echino-coccus multilocularis infection can be *** infiltrating the vascular systems,biliary tracts,and the hilum of the liver,it might lead to various *** to its ability to infiltrate neighbouring tissues or metastasize to distant organs,AE can often be mistaken for *** present a concise overview of the epi-demiological and pathophysiological characteristics of AE,as well as the clinical manifestations of the *** article primarily examines the imaging charac-teristics of AE using various imaging techniques such as ultrasonography,com-puted tomography(CT),magnetic resonance imaging,diffusion-weighted ima-ging,and virtual non-enhanced dual-energy *** additionally examined the contribution of radiography in the diagnosis,treatment,and monitoring of the condition.

关键词： Alveolar echinococcosis Echinococcus multilocularis Virtual non-enhanced dual-energy computed tomography Percutaneous cyst drainage Cyst infection Interven-tional radiology

Diagnostic imaging and interventional procedures in a growing problem: Hepatic alveolar echinococcosis

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World Journal of Surgical Procedures 2014年第1期4卷 13-20页

作者： mecit kantarci Berhan Pirimoglu Yesim Kizrak Department of Radiology School of Medicine Ataturk University 25090 Erzurum Turkey

Alveolar echinococcosis(AE) of the liver is caused by the metacestode of the fox tapeworm Echinococcus multilocularis(E. multilocularis), which is endemic in many parts of the world. AE is a very aggressive and potentially fatal infestation which always affects the liver primarily and metastasizes to any part of the body. Without timely diagnosis and therapy, the prognosis is dismal, with death the eventual outcome in most cases. Diagnosis is usually based on findings at radiological imaging and in serological analyses. The alveolar cysts grow by exogenous proliferation and behave like a malignant neoplasm. Since AE lesions can occur almost anywhere in the body, familiarity with the spectrum of cross-sectional imaging appearances is advantageous. Therefore, AE lesions can cause physicians to generate a long list of differential diagnoses, including malignant tumors. Disseminated parasitic lesions in unusual locations with atypical imaging appearances may make it difficult to narrow the differential diagnosis. For diagnosis, ultrasonography(US) remains the first line examination. For a more accurate disease evaluation, aiming to guide the surgical strategy, computed tomography(CT), magnetic resonance imaging(MRI), including magnetic resonance cholangiography(MRC) imaging, are of importance, providing useful complementary information. However, making the correct diagnosis is possible if imaging findings are correlated with appropriate clinical findings. We present an overview of the radiological patterns produced by E. multilocularis lesions as seen on US, CT and MRI and discuss the interventional procedures in hepatic AE lesions.

关键词： Alveolar echinococcosis Liver Diagnosis Intervention Imaging Review

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World Journal of Clinical Cases 2023年第5期11卷 1031-1039页

作者： Fahri Aydin mecit kantarci Sonay Aydın Erdal Karavaş Gökhan Ceyhun Hayri Ogul ÇağrıEminŞahin Suat Eren Department of Radiology Ataturk UniversityErzurum 25000Turkey Department of Radiology Erzincan Binali Yidirim UniversityErzincan 24000Turkey Department of Radiology Bandirma Onyedi Eylul UniversityBalikesir 10200Turkey Department of Cardiology Ataturk UniversityErzurum 25000Turkey General Directorate of Public Health Ministry of Health in TürkiyeAnkara 06100Turkey

BACKGROUND No study on dual energy computed tomography(DECT)has been found in the literature to evaluate possibly fatal cardiac/myocardial problems in corona virus disease 2019(COVID-19)*** perfusion deficits can be found in COVID-19 patients even without any significant coronary artery occlusion,and these deficits can be shown via DECT with a perfect interrater *** To assess lung perfusion alterations in COVID-19 *** our knowledge,no study using DECT has been performed to evaluate possibly fatal cardiac/myocardial problems in COVID-19 *** purpose of this study is to evaluate the role of DECT in the detection of COVID-19-related cardiac *** Two blinded independent examiners evaluated CT images using the 17-segment model according to the American Heart Association’s classification of the segmentation of the left ventricular ***,intraluminal diseases and abnormalities in the main coronary arteries and branches were *** segment-by-segment analysis,perfusion deficiencies identified on the iodine map pictures on DECT were *** The study enrolled a total of 87 ***-two of these individuals were classified as COVID-19 positive,and 45 were classified as *** deficits were identified in 66.6%(n=30)of the *** control patients had a normal iodine distribution *** deficits were found on DECT iodine map images with subepicardial(n=12,40%),intramyocardial(n=8,26.6%),or transmural(n=10,33.3%)anatomical locations within the left ventricular *** was no subendocardial involvement in any of the *** Myocardial perfusion deficits can be found in COVID-19 patients even without any significant coronary artery *** deficits can be shown via DECT with a perfect interrater ***,the presence of perfusion deficit is positively correlated with D-dimer levels.

关键词： Dual energy computed tomography COVID-19 Heart Perfusion D-dimer

Percutaneous management in hepatic alveolar echinococcosis:A sum of single center experiences and a brief overview of the literature

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World Journal of Gastrointestinal Surgery 2023年第3期15卷 398-407页

作者： Suat Eren Sonay Aydın mecit kantarci Volkan Kızılgöz Akın Levent Düzgün CanŞenbil Okan Akhan Department of Radiology Faculty of MedicineAtatürk UniversityErzurum 25100Turkey Department of Radiology Faculty of MedicineErzincan Binali Yıldırım UniversityErzincan 24100Turkey Department of Radiology Hacettepe UniversityAnkara 06090Turkey

BACKGROUND Hepatic alveolar echinococcosis(HAE)is a serious zoonotic infection that affects *** may have a tumor-like appearance at *** treatment of HAE patients is extremely relaxing for *** is a significant human zoonotic infection caused by the fox tapeworm Echinococcus Multilocularis *** possesses the characteristics of an invasive tumor-like lesion due to its infiltrative growth pattern and protracted incubation *** disease is endemic over central Europe,Asia,and North *** To characterize HAE patients who were treated percutaneously,their outcomes,and the major technical features of percutaneous treatment in *** Patients who were treated with percutaneous cyst drainage and/or percutaneous biliary drainage were included in the *** abnormal coagulation values and solid or non-infected HAE with minor necrotic change were *** Thirty-two patients underwent percutaneous cyst drainage,two patients underwent percutaneous biliary drainage,and four patients underwent percutaneous biliary drainage *** radiology is utilized to drain echinococcal necrosis and abscesses within/without the liver,as well as diseased and clogged bile *** Percutaneous drainage of cyst contents and/or biliary channels using a minimally invasive technique is a very *** cyst drainage with albendazole therapy improves quality of life in patients who are unable to undergo surgery,even when the mass resolves with long-term treatment.

关键词： Interventional Radiology Treatment Alveolar echinococcosis Liver

Interobserver and intraobserver reliability of skull base angles measured on magnetic resonance images

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World Journal of Clinical Cases 2024年第34期12卷 6687-6695页

作者： Volkan Kizilgoz Sonay Aydin Huseyin Aydemir Papatya Keles mecit kantarci Department of Radiology Erzincan Binali Yıldırım UniversityFaculty of MedicineErzincan 24000Türkiye Department of Anatomy University of Health SciencesHamidiye Faculty of Medicineİstanbul 34674Türkiye

BACKGROUND Determination of platybasia and basilar kyphosis are significant parts of routine cranial magnetic resonance(MR)*** situations may explain a patient’s symptoms or may be associated with other *** To indicate the interobserver and intraobserver reliability of the skull base angles(SBA)(Koenigsberg standard)and modified SBA(mSBA)measurement *** In total,391 patients who had undergone cranial MR imaging were re-assessed regarding the SBA *** SBA and mSBA techniques were used on MR *** reviewers independently measured the same angles twice within a 15-day interval,using different *** correlation coefficient(ICC)was calculated to reveal the intraobserver and interobserver *** There was an excellent agreement between reviewers regarding both angle measurements(ICC was 0.998 for SBA and mSBA).Excellent agreement levels were also observed for intraobserver *** was 0.998 for SBA and 0.999 for mSBA for reviewer *** was 0.997 for SBA and 0.999 for mSBA according to the measurement results of reviewer *** SBA and mSBA values were observed for females compared to *** was no correlation between SBA and age for ***,a negative and low-level correlation was observed between mSBA values and age for both *** SBA and mSBA measurements indicated excellent agreement regarding interobserver and intraobserver *** study results showed that SBA angles were reliable measurement techniques to be used on MR images.

关键词： Magnetic resonance imaging Radiography Skull base angles Platybasia Observer reliability

Detection of tracheal branching with computerized tomography:The relationship between the angles and age-gender

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World Journal of Radiology 2023年第4期15卷 118-126页

作者： Şevket Kahraman Mesut Furkan Yazar Hüseyin Aydemir mecit kantarci Sonay Aydin Depertmant of Radiology Erzincan Binali Yıldırım UniversityErzincan 24100Turkey Department of Radiology Atatürk UniversityErzurum 25240Turkey

BACKGROUND The data obtained on the anatomical knowledge of the tracheobronchial system can be used for diagnosis,treatment and interventional interventions in areas such as anesthesia,thoracic surgery,pulmonary *** To determine the tracheobronchial branching angles in pediatric and adult populations by using the multislice computed tomography(CT)and minimum intensity projection(MinIP)technique,which is a non-invasive *** Our study was carried out *** who underwent contrast and non-contrast CT examination,whose anatomically and pathophysiologically good tracheobronchial system and lung parenchyma images were obtained,were included in the *** were made in the coronal plane of the lung *** the coronal plane,right main bronchus-left main bronchus angle,right upper lobe bronchus-intermedius bronchus angle,right middle lobe bronchus-right lower lobe bronchus angle,left upper lobe bronchus-left lower lobe bronchus angle were *** The study population consisted of 1511 patients,753 pediatric(mean age:13.4±4.3;range:1-18 years)and 758 adults(mean age:54.3±17.3;range:19-94 years).In our study,tracheal bifurcation angle was found to be 73.3°±13.7°(59.6°-87°)in the whole *** the pediatric group,the right-left main coronal level was found to be higher in boys compared to girls(74.6°±12.9°vs 71.2°±13.9°,P=0.001).In the adult group,the right-left main coronal level was found to be lower in males compared to females(71.9°±12.9°vs 75.8°±14.7°,P<0.001).CONCLUSIONS Our study,with the number of 1511 patients,is the first study in the literature with the largest number of patient populations including pediatric and adult demographic data,measuring the angle values of the tracheobronchial system using multislice CT and MinIP *** data will not only be a guide during invasive procedures,but it can also guide studies to be done with imaging methods.

关键词： Tracheobronchial branching angles Subcarinal angle Multislice computerized tomography Minimum intensity projection technique