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Öğe Acoustic Radiation Force Impulse Imaging for Evaluation of Renal Parenchyma Elasticity in Diabetic Nephropathy(Amer Roentgen Ray Soc, 2015) Goya, Cemil; Kilinc, Faruk; Hamidi, Cihad; Yavuz, Alpaslan; Yildirim, Yasar; Cetincakmak, Mehmet Guli; Hattapoglu, SalihOBJECTIVE. The goal of this study is to evaluate the changes in the elasticity of the renal parenchyma in diabetic nephropathy using acoustic radiation force impulse imaging. SUBJECTS AND METHODS. The study included 281 healthy volunteers and 114 patients with diabetic nephropathy. In healthy volunteers, the kidney elasticity was assessed quantitatively by measuring the shear-wave velocity using acoustic radiation force impulse imaging based on age, body mass index, and sex. The changes in the renal elasticity were compared between the different stages of diabetic nephropathy and the healthy control group. RESULTS. In healthy volunteers, there was a statistically significant correlation between the shear-wave velocity values and age and sex. The shear-wave velocity values for the kidneys were 2.87, 3.14, 2.95, 2.68, and 2.55 m/s in patients with stage 1, 2, 3, 4, and 5 diabetic nephropathy, respectively, compared with 2.35 m/s for healthy control subjects. Acoustic radiation force impulse imaging was able to distinguish between the different diabetic nephropathy stages (except for stage 5) in the kidneys. The threshold value for predicting diabetic nephropathy was 2.43 m/s (sensitivity, 84.1%; specificity, 67.3%; positive predictive value, 93.1%; negative predictive value 50.8%; accuracy, 72.1%; positive likelihood ratio, 2.5; and negative likelihood ratio, 0.23). CONCLUSION. Acoustic radiation force impulse imaging could be used for the evaluation of the renal elasticity changes that are due to secondary structural and functional changes in diabetic nephropathy.Öğe Advantages of US in Percutaneous Dilatational Tracheostomy: Randomized Controlled Trial and Review of the Literature(Radiological Soc North America, 2014) Yavuz, Alpaslan; Yilmaz, Murat; Goya, Cemil; Alimoglu, Emel; Kabaalioglu, AdnanPurpose: To compare procedure times and complication rates of preincisional ultrasonographic (US) evaluation and perioperative US guidance in percutaneous dilatational tracheostomy (PDT) with those of the current standard of care, PDT performed without image guidance. Materials and Methods: Between December 2007 and January 2011, 341 patients were included in this institutional review board-approved study after informed consent was obtained from the patients or their relatives. The patients were divided randomly into two groups. In group A (n = 166), the possible causes of complications, such as aberrations of tracheal, thyroidal, and vascular structures, were determined with US, and tracheal measurements were performed by using US. The clinician's initial considerations at physical examination were compared with the US findings. PDT was subsequently performed with US guidance in suitable cases. In group B (n = 175), PDT was performed solely on the basis of physical landmarks. The procedure times and complication rates were compared across groups by using the Fisher exact test. Results: In group A, the puncture sites designated at the physical examination were reconsidered in 39 (23.8%) of 164 cases. The perioperative complication rates were slightly lower in group A (7.8% [12 of 154]) than in group B (15.0% [25 of 167]); however, the difference did not achieve statistical significance (P = .054). The mean procedure times for groups A and B were 24.09 minutes +/- 8.05 (standard deviation) (range, 14-68 minutes) and 18.62 minutes +/- 6.34 (range, 12-81 minutes), respectively (P = .001), and the numbers of patients in each group who required multiple puncture attempts were six (3.9%) of 154 and 23 (13.6%) of 169 (P = .003), respectively. Conclusion: The use of US guidance before and during PDT could render the procedure easier and safer, with fewer complications but a slightly longer procedure time. (C) RSNA, 2014Öğe Anterior hepatic grooves accompanied by Chilaiditi sign: a retrospective radiological analysis of a neglected anatomical fact(Springer France, 2015) Yavuz, Alpaslan; Batur, Abdussamet; Bulut, Mehmet Deniz; Bora, Aydin; Goya, Cemil; Andic, Cagatay; Beyazal, MehmetTo evaluate anterior hepatic grooves (AHGs) associated with hepato-diaphragmatic mesocolic indentations (Chilaiditi sign) and to delineate the incidence and potential clinical significance of this association. Between November 2011 and June 2014, abdominal computed tomography examinations of 2,314 patients with varied indications were retrospectively reviewed. Patients were surveyed consecutively for the Chilaiditi sign and syndrome, and cases with grooves at the antero-inferior hepatic surface enclosing the adjacent mesocolic indents were determined. The incidence of AHGs and their predominance by gender and age were determined. The potential clinical significance of AHGs associated with Chilaiditi syndrome and their possible effect on liver volume were assessed. The incidences of AHGs were similar between genders (p = .461 and p = .646) and age (p = .113 and .621, respectively) among total cohort and patients with Chilaiditi sign, respectively. There was no significant correlation between AHGs and Chilaiditi syndrome (p = .506); no efficacies of AHGs to liver volume were assessed (p = .413). The AHGs are rare adaptive changes in shape of the liver without a significant effect on liver volume. This overlooked phenomenon is likely derived from the Chilaiditi sign, but has no significant correlation with Chilaiditi syndrome. Future studies with extended series are encouraged to reveal the possible significance of this phenomenon based on concerned surgical interventions.Öğe Decreased Vertebral Artery Hemodynamics in Patients with Loss of Cervical Lordosis(Int Scientific Information, Inc, 2016) Bulut, Mehmet Deniz; Alpayci, Mahmut; Senkoy, Emre; Bora, Aydin; Yazmalar, Levent; Yavuz, Alpaslan; Gulsen, IsmailBackground: Because loss of cervical lordosis leads to disrupted biomechanics, the natural lordotic curvature is considered to be an ideal posture for the cervical spine. The vertebral arteries proceed in the transverse foramen of each cervical vertebra. Considering that the vertebral arteries travel in close anatomical relationship to the cervical spine, we speculated that the loss of cervical lordosis may affect vertebral artery hemodynamics. The aim of this study was to compare the vertebral artery values between subjects with and without loss of cervical lordosis. Material/Methods: Thirty patients with loss of cervical lordosis and 30 controls matched for age, sex, and body mass index were included in the study. Sixty vertebral arteries in patients with loss of cervical lordosis and 60 in controls without loss of cervical lordosis were evaluated by Doppler ultrasonography. Vertebral artery hemodynamics, including lumen diameter, flow volume, peak systolic velocity, end-diastolic velocity, and resistive index, were measured, and determined values were statistically compared between the patient and the control groups. Results: The means of diameter (p=0.003), flow volume (p=0.002), and peak systolic velocity (p=0.014) in patients were significantly lower as compared to controls. However, there was no significant difference between the 2 groups in terms of the end-diastolic velocity (p=0.276) and resistive index (p=0.536) parameters. Conclusions: The present study revealed a significant association between loss of cervical lordosis and decreased vertebral artery hemodynamics, including diameter, flow volume, and peak systolic velocity. Further studies are required to confirm these findings and to investigate their possible clinical implications.Öğe The diagnostic efficacy of low-dose cervical and thoracic CT in multiple trauma patients(Dicle Üniversitesi Tıp Fakültesi, 2013) Göya, Cemil; Yavuz, Alpaslan; Hamidi, Cihad; Andiç, Çağatay; Çetinçakmak, Mehmet Guli; Teke, Memik; Özkaynak, CanObjective: The aim of this study was to evaluate the initial diagnostic efficacy of low-dose computed tomography (CT) in multi-trauma patients. Methods: 74 patients (44 male, 30 female; average age: 36.9 years) accepted to the emergency unit with the reason of multiple trauma which is included in this study. Cervical and thoracic injury sites were initially evaluated with portable X-Ray and low-dose CT. The Patients’ progress, surgical findings and additional radiologic examination results were recorded until the patients were discharged. Results: The sensitivity and specificity of X-Ray graphies were 50% and 95% for thoracic traumatic pathologies; 0-40% and 95-100% for cervical injuries respectively. CT examination sensitivity and specificity values were 95-100% and 80-100% for thoracic injuries; 95-100% and 96-100% for cervical injuries respectively. Conclusion: Low-dose CT examination is more sensitive than X-Ray graphs for the evaluation of cervicothoracic traumatic injuries. We recommend to prefer low-dose CT as an initial radiologic examination for managing cervicothoracic trauma cases because of its higher diagnostic capability than X-Ray graphy.Öğe Dyke-Davidoff-Masson sendromu iki olgu sunumu(Dicle Üniversitesi Tıp Fakültesi, 2014) Bulut, Mehmet Deniz; Gülşen, İsmail; Bora, Aydın; Yavuz, Alpaslan; Göya, Cemil; Batur, AbdussametDyke-Davidoff Masson sendromu nadir bir konjenital malformasyon olarak ilk kez 1933 yılında Dyke tarafından bildirilmiştir. Ana klinik bulguları; tek taraflı serebral atrofi, fasiyal asimetri, kontralateral hemiparezi ve epilepsidir. Klinik bulgular beyin hasarının büyüklüğüne bağlı olarak değişiklikler gösterebilir. Etyolojisinde prenatal enfeksiyonlar, konjenital patolojiler, doğum travması, beyin tümörleri, febril nöbetler ve beyin damar hastalıkları sorumlu tutulmuştur. Radyolojik olarak serebral atrofi ve aynı taraf lateral ventrikülde genişleme, kalvariumda kalınlaşma, mastoid hava hücreleri ve paranazal sinüslerde havalanma artışı ve bombeleşmiş temporal kemik en önemli bulgulardır. Etyolojisi ve serebral parankim hasarının büyüklüğünü saptamada başlıca magnetik rezonans görüntüleme ve bilgisayarlı tomografi yöntemleri kullanmanın yanında diffüzyon magnetik rezonans görüntülemede tanıya katkı sunabilir. Bu makalede Dyke-Davidoff Masson sendromlu iki olgu klinik bulgular ve radyolojik görüntüler eşliğinde sunulmuştur.Öğe Herlyn-Werner-Wunderlich Syndrome: Merits of Sonographic and Magnetic Resonance Imaging for Accurate Diagnosis and Patient Management in 13 Cases(Elsevier Science Inc, 2015) Yavuz, Alpaslan; Bora, Aydin; Kurdoglu, Mertihan; Goya, Cemil; Kurdoglu, Zehra; Beyazal, Mehmet; Akdemir, ZulkufStudy Objective: To review the main sonographic and magnetic resonance imaging manifestations of Herlyn-Werner-Wunderlich syndrome, characterized by uterus didelphys, obstructed hemivagina, and ipsilateral renal agenesis, and to discuss the value of techniques for its diagnosis and treatment. Participants: Thirteen patients with Herlyn-Werner-Wunderlich syndrome referred to our department with acute abdomen were identified for the period from 2009-2012. Design: Retrospective chart review. Setting: Two tertiary academic centers. Interventions: None. Main Outcome Measures: The evaluation of the clinical features, ultrasonography and magnetic resonance imaging findings, and the treatment protocols. Results: Ultrasonographic evaluation of didelphic or double uterus in 10 and bicomuate-bicollis uterus in 3 patients with hematocolpos or hematometrocolpos associated with agenesis of the ipsilateral kidney revealed the diagnosis. In 10 patients, magnetic resonance imaging provided extra information. In 1 patient, a 25-week pregnancy was additionally detected and follow-up was suggested. Seven patients underwent surgical excision of the septum and drainage of the obstructed vagina. Total hysterectomy and hemicolpectomy were performed in 1 patient with 2 children suffering from severe chronic pelvic pain due to pelvic inflammatory disease. Conclusions: Despite its rarity, accurate diagnosis and morphologic description of Herlyn-Werner-Wunderlich syndrome with radiologic modalities are of importance in relieving the clinical complaints by enabling the suitable surgical treatment to be identified.Öğe Koroner arter kalsiyum skoru ile koroner arter hastalığı arasındaki ilişkinin çok kesitli bilgisayarlı tomografi ile değerlendirilmesi(Dicle Üniversitesi Tıp Fakültesi, 2013) Kartal, Tuba; Yavuz, Alpaslan; Çetinçakmak, Mehmet Güli; Göya, Cemil; Çubuk, MetinAmaç: Koroner arter hastalığı (KAH) gelişmiş ülkelerde en sık ölüm nedeni olup, erken tanı ve tedavisi mortalite ve morbidite oranlarını azaltmada büyük önem taşımaktadır. Biz bu çalışmada multidetektör bilgisayarlı tomografi (MDBT) tetkiki ile KAH olgularındaki klasik risk faktörleri, anjiografi bulguları ve koroner arter kalsiyum skoru arasındaki ilişkinin değerlendirilmesini amaçladık. Yöntemler: Çalışmamızda 141 koroner arter hastasına ait MDBT ile elde edilmiş koroner arter kalsiyum skorları ve anjiografi bulguları retrospektif olarak değerlendirildi. Hastalarda hiperlipidemi, hipertansiyon, diyabet, ailesel koroner arter hastalığı ve sigara kullanma öyküsü gibi klasik koroner risk faktörlerinin varlığı kaydedildi. Hastaların kalsiyum skoru Agatston sınıflamasına göre hesaplandı. Bulgular: Çalışmaya alınan 141 hastanın ortalama yaş 56±12 olup yaş aralığı 17 ile 80 arasında değişmekteydi. Otuz üç (%23) hastada MDBT ile saptanan koroner arter darlık yüzdeleri %50’nin üzerinde idi. Diyabet ve hipertansiyon; koroner kalsiyum skoru ile istatistiksel olarak anlamlı korelasyon gösteren (sırasıyla p=0,023 ve p<0,01) yegane koroner risk faktörleri idi. Kalsiyum skoru ile KAH ciddiyeti arasındaki ilişkisinin irdelenmesi için ROC analizi yapıldı ve eğri altında kalan alan 0,842 (%95 CI 0.771-0.898, p<0,001) olarak hesaplandı. Sonuç: Koroner arter kalsiyum skorunun 39’un altında olması anlamlı koroner arter darlığını ekarte etmek için kuvvetli değişken olarak bulundu. Kalsiyum skoru “0” değerinin, yumuşak plakların mevcudiyetini tamamen ekarte edememekle beraber, yüksek sensitivite ve negatif prediktif değeriyle kimi hastaların invaziv tanısal tetkik gereksinimlerini elimine edebilecek potansiyele sahip olduğu sonucuna varıldı.Öğe Olfaktör nöroblastoma (esthesioblastoma) radyolojik bulguları(2013) Göya, Cemil; Bora, Aydın; Andiç, Çağatay; Beyazal, Mehmet; Yavuz, AlpaslanOlfaktör nöroblastoma (ONB), diğer bir isimle esthesi- oblastoma, olfaktör epitelyumdan köken olan, genelliklenazal kavite olfaktör bölgede ve ön kafa tabanında yeralan nadir malign bir neoplazidir. Bugüne kadar literatürde az sayıda vaka bildirilmiştir. ONB tanısı ve sınıflandırması için ayrıntılı radyolojik ve histopatolojik inceleme gereklidir. Özellikle lokal seyreden tümörlerde prognoz iyi seyirli olup bölgesel ve uzak metastaz kötü prognozbelirtileri olarak kabul edilmiştir. Cerrahi ve radyoterapi günümüzdeki başlıca tedavi yöntemleridir. Biz buradaONB saptanan 64 yaşındaki erkek olgunun X-ray grafi, B Mod-Doppler Ultrason (US) ve Bilgisayarlı Tomografi (BT) bulgularını sunduk.Öğe Primary Alveolar Soft Part Sarcoma of the Scapula(Karger, 2013) Yavuz, Alpaslan; Goya, Cemil; Bora, Aydin; Beyazal, MehmetAlveolar soft part sarcoma (ASPS) is an unusual soft tissue malignity, occurring in less than 1% of sarcomas and typically found in the head and neck tissues in children or, in adults, in the deep soft tissues of the lower extremities. In this report, we present a 33-year-old male with primary ASPS in the right scapular bone and discuss the radiologic features of this tumor in the context of the current literature. (C) 2013 S. Karger AG, BaselÖğe The relationship between facet joint osteoarthritis and Modic changes of the lumbar spine: a retrospective magnetic resonance imaging study(Baycinar Medical Publ-Baycinar Tibbi Yayincilik, 2016) Alpayci, Mahmut; Bulut, Mehmet Deniz; Yazmalar, Levent; Yavuz, Alpaslan; Toprak, Murat; Koparan, Ibrahim Halil; Gulsen, IsmailObjectives: This study aims to assess the facet joint osteoarthritis in patients with lumbar Modic changes and to investigate the relationship between the Modic types and severity of the facet joint degeneration. Patients and methods: A total of 120 patients (55 males, 65 females; mean age 55.18 +/- 9.47 years; range 40 to 75 years) were included in the study. The patients were divided into four equal groups of 30 patients according to Modic type (No Modic changes, type 1, type 2, type 3). All groups were matched with age, sex, and spinal level. A total of 180 lumbar facet joints of the patients with Modic changes (60 facet joints for each Modic type) and 60 lumbar facet joints of the patients without Modic changes were analyzed. The severity of the facet joint osteoarthritis was assessed. The degree of the facet degeneration was evaluated by using the Pathria grading system with magnetic resonance imaging. Results: Facet joint degeneration increased gradually, as the type of Modic change increased. Compared to the group without Modic changes, all three groups with Modic changes had more degenerative facet joints (all p <= 0.002). The severity of the facet joint degeneration was significantly higher in type 3 versus type 1 Modic changes (p=0.022). Conclusion: Our study results suggest that Modic changes, particularly type 3, are strongly associated with the facet joint osteoarthritis of the lumbar spine. Clinically, facet joint degeneration should be considered in the examination of low back pain inpatients with Modic changes.Öğe The Role of Acoustic Radiation Force Impulse Elastography in the Differentiation of Infectious and Neoplastic Liver Lesions(Sage Publications Inc, 2015) Goya, Cemil; Hamidi, Cihad; Yavuz, Alpaslan; Hattapoglu, Salih; Uslukaya, Omer; Cetincakmak, Mehmet Guli; Teke, MemikWe aimed to evaluate the effectiveness of acoustic radiation force impulse (ARFI) elastography in differentiating between hepatic lesions. The prospective study included 117 patients with liver masses. Shear wave velocity (SWV) values for lesions were determined by ARFI imaging and compared statistically. The difference between SWV values for benign and malignant hepatic masses was significant (p < 0.01). The threshold SWV value for malignant hepatic lesions was established at 2.52 m/s, and the sensitivity and specificity of this cut-off value were 97% and 66%, respectively. We concluded that ARFI elastography provides supplementary data that aid in the differential diagnosis of liver masses.Öğe The Role of Apparent Diffusion Coefficient Quantification in Differentiating Benign and Malignant Renal Masses by 3 Tesla Magnetic Resonance Imaging(Galenos Publ House, 2015) Goya, Cemil; Hamidi, Cihad; Bozkurt, Yasar; Yavuz, Alpaslan; Kuday, Suzan; Gumus, Hatice; Turkcu, GulBackground: Diffusion-weighted magnetic resonance imaging (DWI) is a widely-accepted diagnostic modality whose efficacy has been investigated by numerous past studies in the differentiation of malignant lesions from benign entities. Aims: The aim of this study was to evaluate the efficiency of diffusion-weighted magnetic resonance imaging in the characterization of renal lesions. Study Design: Diagnostic accuracy study. Methods: A total of 137 patients with renal lesions were included in this study. The median apparent diffusion coefficient (ADC) values as well as the b 800 and b 1600 signal intensities of normal kidneys, solid components of mixed renal masses, and total cystic lesions were evaluated. Results: There were significant differences between the ADC values of lesions and normal renal parenchyma, and between the ADC values of benign and malignant renal lesions on DWIs at b values of 800 and 1600 s/mm(2) (p<0.001 and p<0.001, respectively). There were significant differences between the ADC values of Bosniak Category 1 and 2 cysts and the ADC values of Bosniak Category 1 and 3 cysts on DWIs at b values of 800 s/mm(2) (p<0.001) and 1600 s/mm(2) (p<0.001). A cutoff value of 1.902 x 10(-3) mm(2)/s for the ADC with a b value of 800 s/mm(2) provided 88% sensitivity and 96% specificity for differentiation between benign and malignant renal lesions. A cutoff value of 1.623 x 10(-3) mm(2)/s for the ADC with a b value of 1600 s/mm(2) provided 79% sensitivity and 96% specificity (p<0.001) for the differentiation between benign and malignant renal lesions. Conclusion: Accurate assessment of renal masses is important for determining the necessity for surgical intervention. DWI provides additional value by differentiating benign from malignant renal tumors and can be added to routine kidney MRI protocols.Öğe The role of initial radiologic and clinical manifestations in predicting the prognosis for pneumonia caused by H1N1 influenza virus(Ame Publishing Company, 2014) Goya, Cemil; Yavuz, Alpaslan; Hamidi, Cihad; Cetincakmak, Mehmet Guli; Teke, Memik; Hattapoglu, Salih; Dusak, AbdurrahimObjective: The aim of this study is to investigate the prognostic values of initial radiologic findings and preexisting medical conditions in pneumonia caused by H1N1 influenza virus that were obtained during the novel swine-origin influenza A (H1N1) virus (S-OIV) pandemic spread. Methods: Thirty-nine patients hospitalized due to H1N1 infection between September and December 2009 were retrospectively evaluated regarding the radiologic and clinical aspects. The thoracic computed tomography (CT) findings of all patients were assessed and accompanying conditions that may raise the morbidity were stated. The patients were divided into two groups as those who needed the intensive care unit administration and those treated with brief hospitalization; initial radiologic findings and preexisting medical situations of patients were compared among both groups respectively in terms of their prognostic value. Results: In 39 patients with H1N1 infection (21 males and 18 females; mean age of 53.9 +/- 14 in range between 19 and 99 years); the necessity of intensive care was significantly higher in patients with solely chronic obstructive pulmonary disease (COPD) (P=0.008, Odds ratio: 27) or co-existence of COPD and malignity (Odds ratio: 13); however, no statistically significant difference between two groups was observed regarding the radiologic facts or other combinations of accompanying medical conditions in terms of any effects to the prognosis. Conclusions: In the H1N1 (S-OIV) pandemic, we observed that merely the contribution to the diagnostic process; the radiologic features have no significance as being prognostic indicator. Additionally; the superposition of H1N1 infection in patients with either COPD or COPD by malignity was stated to be a potential risk factor in terms of increased morbidity.Öğe The role of quantitative measurement by acoustic radiation force impulse imaging in differentiating benign renal lesions from malignant renal tumours(Springer-Verlag Italia Srl, 2015) Goya, Cemil; Daggulli, Mansur; Hamidi, Cihad; Yavuz, Alpaslan; Hattapoglu, Salih; Cetincakmak, Mehmet Guli; Teke, MemikThe purpose of this preliminary study was to prospectively evaluate the diagnostic performance of acoustic radiation force impulse (ARFI) imaging for differentiating benign lesions from malignant renal tumours. Sixty patients with renal lesions were enrolled in the study; mean patient age was 49.52 +/- A 20.46 years (range 1-83 years) and patients included 30 men and 30 women. Lesions were categorised as benign (n = 19), malignant (n = 36) and infectious (n = 5) in origin. The shear wave velocities (SWVs) of the tumours and the intact parenchyma were determined by ARFI quantification, and the differences in the SWVs were compared among groups. The final diagnoses were determined via pathologic (n = 33), clinical (n = 13) and imaging findings (n = 14). The SWV values of the renal tumours were analysed according to the final diagnoses. The mean SWV value of the normal renal parenchyma was significantly different from that of all other lesions (p < 0.01). There was a significant difference between the SWV values of benign renal lesions including haematomas and the malignant renal lesions (p = 0.033). However, the SWV values of the infectious lesions and leiomyoma corresponded well with the malignant lesions. A Receiver operating characteristic (ROC) analysis demonstrated a cut-off value of 2.34 m/s between benign and malignant lesions, while sensitivity and specificity were determined to be 88 and 54 %, respectively. ARFI elastography with ARFI quantification may be useful for differentiating benign renal lesions from malignant renal tumours.Öğe Successful Retrieval of the Detached Porous Metallic Tip of a Mechanical Aspiration Catheter during Thrombectomy in a Case with May-Thurner Syndrome: A Case Report(Thieme Medical Publ Inc, 2016) Yavuz, Alpaslan; Andic, Cagatay; Gur, Ali Kemal; Goya, Cemil; Bora, Aydin; Beyazal, MehmetModern, minimally invasive techniques used to treat deep venous thrombosis, such as percutaneous mechanical thrombectomy (PMT) and catheter-directed thrombolysis, have gained worldwide acceptance. PMT has the advantage of speed and is also associated with improved outcomes, shortened hospital stays, and low complication rates. The main complications associated with PMT have been primarily due to iatrogenic vascular damage resulting in perforation, embolic occlusion, and arteriovenous fistula formation; to date, there has been no publication in the literature describing complications resulting from device failure. We present an unusual complication of PMT resulting from detachment of the catheter tip during thrombectomy and bailout technique employed.
