نتایج جستجو برای: ovarian lesions texture analysis

تعداد نتایج: 3064747  

1996
William H. Nailon Steve McLaughlin Timothy Spencer M. Pauliina Ramo

Thrombosis of coronary arteries is a condition responsible for many acute coronary syndromes. The ability to categorise thrombus belonging to distinct pathological groups, would contribute to the understanding of the pathophysiologic structure of individual lesions, as well as making a signiicant contribution to treatment choice. Here, we investigate the use of statistical texture analysis tech...

Journal: :Cancer research 2004
Sherri L Stewart Troy D Querec Alexander R Ochman Briana N Gruver Rudi Bao James S Babb Thang S Wong Theodoros Koutroukides Aaron D Pinnola Andres Klein-Szanto Thomas C Hamilton Christos Patriotis

Animal models of ovarian cancer are crucial for understanding the pathogenesis of the disease and for testing new treatment strategies. A model of ovarian carcinogenesis in the rat was modified and improved to yield ovarian preneoplastic and neoplastic lesions that pathogenetically resemble human ovarian cancer. A significantly lower dose (2 to 5 mug per ovary) of 7,12-dimethylbenz(a)anthracene...

Journal: :Diagnostics 2022

Introduction/Background The Assessment of Different NEoplasias in the adneXa (ADNEX) risk model was developed by clinicians and statisticians from International Ovarian Tumor Analysis (IOTA) group to assist diagnosis ovarian cancer patients who have at least one persistent adnexal tumor are considered require surgery. This study aimed evaluate diagnostic accuracy ADNEX 3 Portuguese ter...

Journal: :Pakistan Journal of Medical and Health Sciences 2021

Background: Globally as growing occurrence ratio of ovarian cancer well efficacy Gynecologic-Imaging Reporting-and-Data-System GI-RADS to diagnose pathologies like ovaries cancer, we designed for evaluating the presentation diagnosis this system differentiate among adnexal benign and malignant lesions. For routine gynecologic examinations, pelvic ultrasound is generally used, consequential in a...

Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2009
M S Oliveira P T Fernandes W M Avelar S L M Santos G Castellano L M Li

Computed tomography (CT) images are routinely used to assess ischemic brain stroke in the acute phase. They can provide important clues about whether to treat the patient by thrombolysis with tissue plasminogen activator. However, in the acute phase, the lesions may be difficult to detect in the images using standard visual analysis. The objective of the present study was to determine if textur...

مولانایی, سعادت, کدیور, مریم , کرم‌وندی, مهوش,

    Background & Aim: The indications for fine needle aspiration(FNA) cytology of ovarian cysts are controversial. Some authors contend that the procedure is never justified since diagnostic accuracy of the method is low. The others contend that FNA of the ovarial lesion has a useful role in the evaluation of persistant ovarian lesion in the premenopausal women who wish to preserve fertility. T...

2014
Amber L. Simpson Richard K. G. Do E. Patricia Parada Michael I. Miga William R. Jarnagin

Texture analysis of preoperative CT images of the liver is undertaken in this study. Standard texture features were extracted from portal-venous phase contrast-enhanced CT scans of 36 patients prior to major hepatic resection and correlated to postoperative liver failure. Differences between patients with and without postoperative liver failure were statistically significant for contrast (measu...

2013
Lucia Manganaro Silvia Bernardo Maria Eleonora Sergi Paolo Sollazzo Valeria Vinci Alessandra De Grazia Anna Clerico Maria Giovanna Mollace Matteo Saldari

Burkitt's lymphoma is a rare non-Hodgkin's lymphoma which can occasionally involve the ovary and may cause confusion for the clinician since its presentation might mimic other much more frequent tumors. We present a case of a 23-year-old woman with sporadic Burkitt's lymphoma presented as advanced ovarian cancer with bilateral ovarian masses, peritoneal carcinomatosis, ascites, and marked eleva...

2013
Young Hye Kang Mi Young Kim Kyung Tae Kim Yoon Jung Kim Chang Hae Suh Jun Mee Kim Sung Ook Hwang Sunghyouk Park Jae Young Cho

Most female ovarian lesions manifest as cystic masses contain variable contents of fluid. MR image is increasingly used to evaluate theses cystic lesions; malignancy can in some cases be predicted, however, sometimes it is nonspecific for differentiation of benign and malignant lesions. Solid component of ovarian cystic tumors visualized on ultrasonography, CT or MR images strongly supports the...

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