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排序方式: 共有106条查询结果,搜索用时 15 毫秒
1.
Nisar PJ Zaitoun AM Damera A Hodi Z Tierney GM Beckingham IJ 《Journal of clinical pathology》2002,55(12):967-969
A 45-year-old female patient underwent right hemihepatectomy for metastatic rectal adenocarcinoma. Preoperative imaging demonstrated an area of focal nodular hyperplasia (FNH) in segment VIII and metastatic carcinoma in segment VI of the liver. Gross and microscopic examination of the former lesion showed features typical of FNH with an intralesional metastatic adenocarcinoma. To the best of our knowledge, this is the first reported case of metastatic adenocarcinoma located within a lesion of FNH. The possibility of a pathogenetic association behind this occurrence is discussed. 相似文献
2.
Rafic Zaitoun Gerald Dorros Sriram S. Iyer Ruben F. Lewin 《Catheterization and cardiovascular interventions》1990,20(4):254-256
This case report describes the feasibility and potential benefit of the use of a high-speed rotational atherectomy device (the Rotablator?) in the treatment of renovascular hypertension in a patient with a recorded restenosis of an ostial renal artery lesion following standard balloon angioplasty. 相似文献
3.
R Zaitoun S S Iyer R F Lewin G Dorros 《Catheterization and cardiovascular diagnosis》1990,21(3):154-158
Angioplasty using the percutaneous popliteal approach was utilized in 50 patients (PTS) to recanalize 59 occluded superficial femoral arteries which had been unsuccessfully canalized by using the antegrade approach because of either a flush origin occlusion or inability to maintain the guide wire in the true lumen. All PTS had claudication; 8 had rest pain; 3 had non-healing ulcers. The laser Probe was used in 17 cases and the Rotablator in 3 cases. Occlusion length varied between 1 and 40 cm: 7 lesions were less than 10 cm (group 1); 9 were between 10 and 20 cm (group 2); and 43 were greater than 20 cm (group 3). An angiographic success was obtained in 48/59 lesions (81%): 14/16 (87%) in groups 1 and 2 and 34/43 (79%) in group 3. Three PTS needed complementary common femoral endarterectomy and one required percutaneous aspiration of a thromboembolus. Complications included: arterial perforation and/or dissection (without clinical sequelae) in 11 and a popliteal hematoma in 1 PT. One patient with a severely ischemic leg underwent successful emergency vascular surgery, while another limb salvage patient required below-knee amputation. There was no worsening of limb ischemia from any popliteal approach attempt. At discharge, 39 patients (78%) whose outcome would have been unsuccessful with the traditional antegrade approach were clinically improved after utilizing the popliteal approach to achieve a successful angioplasty procedure. 相似文献
4.
Mohammad Abd Alkhalik Basha Hossam M. Abdelrahman Maha Ibrahime Metwally Nader Ali Alayouty Nesreen Mohey Mohamed M.A. Zaitoun Hosam Nabil Almassry Hala Y. Yousef Ahmed A. El Sammak Sameh Abdelaziz Aly Hesham Youssef Algazzar Mohamed Abd El‐Aziz Mohamed Farag Walid Mosallam Waleed S. Abo Shanab Safaa A. Ibrahim Ekramy A. Mohamed Abd El Motaleb Mohamed Amira Hamed Mohamed Afifi Ola A. Harb Taghreed M. Azmy 《Journal of magnetic resonance imaging : JMRI》2021,53(1):292-304
5.
David Sevrain Matthieu Dubreuil Grace Elizabeth Dolman Abed Zaitoun William Irving Indra Neil Guha Christophe Odin Yann Le Grand 《Biomedical optics express》2015,6(4):1209-1218
In this paper we analyze a fibrosis scoring method based on measurement of the fibrillar collagen area from second harmonic generation (SHG) microscopy images of unstained histological slices from human liver biopsies. The study is conducted on a cohort of one hundred chronic hepatitis C patients with intermediate to strong Metavir and Ishak stages of liver fibrosis. We highlight a key parameter of our scoring method to discriminate between high and low fibrosis stages. Moreover, according to the intensity histograms of the SHG images and simple mathematical arguments, we show that our area-based method is equivalent to an intensity-based method, despite saturation of the images. Finally we propose an improvement of our scoring method using very simple image processing tools.OCIS codes: (180.4315) Nonlinear microscopy, (170.1610) Clinical applications, (170.3880) Medical and biological imaging, (170.4580) Optical diagnostics for medicine, (110.2960) Image analysis 相似文献
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Philip S. Vendittelli Bassent Botros Howard S. Rosman Viren Govindaraju Anwar Zaitoun Tariq S. Marroush 《The American journal of the medical sciences》2019,357(4):333-337
Coronary embolism (CE) is an uncommon and unique cause of acute myocardial infarction. In this report, we review 216 cases of CE including 2 new cases from our institution. The mean patient age was 52.5 years and 62% of the patients were males. Chest pain was the most common presenting symptom followed by dyspnea, and the most commonly affected vessel was the left anterior descending artery. Leading etiologies of the embolus were atrial fibrillation, septic emboli, and iatrogenic causes. Treatment approaches varied with thrombus aspiration being used in 30% of cases. In-hospital mortality rate was 36% and 13% of the cases were complicated by cerebrovascular accident. CE is a unique pathology that leads to acute myocardial infarction. It portends a high mortality rate and requires a high level of suspicion as symptoms may be misleading. Further research is needed in order to improve recognition and management and to lower associated mortality. 相似文献