نتایج جستجو برای: ovarian lesions texture analysis

تعداد نتایج: 3064747  

Journal: :Journal of biomedical optics 2008
Youngwoo Bae J Stuart Nelson Byungjo Jung

We introduce a multimodal facial color imaging modality that provides a conventional color image, parallel and cross-polarization color images, and a fluorescent color image. We characterize the imaging modality and describe the image analysis methods for objective evaluation of skin lesions. The parallel and cross-polarization color images are useful for the analysis of skin texture, pigmentat...

2015
Karolina Chmaj-Wierzchowska Małgorzata Kampioni Maciej Wilczak Stefan Sajdak Tomasz Opala

BACKGROUND In recent years, numerous studies have considered endometriosis to be a subclinical, local inflammatory process in the pelvic peritoneum, the main symptom of which is pain. OBJECTIVES To assess pain intensity and pain-related stress in women with ovarian endometriomas versus teratomas. METHODS In total, 860 women (18 to 38 years of age) treated laparoscopically for lesions in the...

2016
Aïcha BenTaieb Masoud S Nosrati Hector Li-Chang David Huntsman Ghassan Hamarneh

CONTEXT It has been shown that ovarian carcinoma subtypes are distinct pathologic entities with differing prognostic and therapeutic implications. Histotyping by pathologists has good reproducibility, but occasional cases are challenging and require immunohistochemistry and subspecialty consultation. Motivated by the need for more accurate and reproducible diagnoses and to facilitate pathologis...

Introduction: Early detection and treatment of thyroid nodules increase the cure rate and provide optimal treatment. Ultrasound is the chosen imaging technique for assessment of thyroid nodules. Confirmation of the diagnosis usually demands repeated fine needle aspiration biopsy (FNAB). So, current management, has morbidity and non zero mortality. The goal of the present study ...

Journal: :Journal of the National Cancer Institute 1998
J Yoneda H Kuniyasu M A Crispens J E Price C D Bucana I J Fidler

BACKGROUND By the time patients are diagnosed with ovarian carcinoma, peritoneal dissemination of the tumor often has occurred. The progressive growth and spread of ovarian carcinoma depend, in part, on the formation of an adequate blood supply. We determined whether the expression of genes that regulate distinct steps in angiogenesis (i.e., the formation of new blood vessels) was associated wi...

Journal: :journal of medical signals and sensors 0
maryam ramezani alireza karimian payman moallem

in order to distinguish between benign and malignant types of pigmented skin lesions, computerized procedures have been developed for images taken by different equipment that the most available one of them is conventional digital cameras. in this research, a new procedure to detect malignant melanoma from benign pigmented lesions using macroscopic images is presented. the images are taken by co...

2009
Hyun-Jung Jung Hae-Yon Lee Byung-Wook Kim Seung-Min Jung Hyung-Gil Kim Jeong-Seon Ji Hwang Choi Bo-In Lee

Metastatic gastric cancer is extremely rare and gastric metastasis from ovarian adenocarcinoma has rarely been reported. All of the previously reported metastatic lesions presented as an ulcerative lesions. We report a case of 49-year-old woman in which gastric metastasis from ovarian adenocarcinoma presented as a submucosal tumor without ulceration on endoscopic examination. Gastrointestinal s...

Journal: :American journal of obstetrics and gynecology 2011
Lidia R Medeiros Luciana B Freitas Daniela D Rosa Fábio R Silva Loraine S Silva Lisiane T Birtencourt Maria I Edelweiss Maria I Rosa

OBJECTIVE To estimate the diagnostic accuracy of magnetic resonance in ovarian tumors. STUDY DESIGN A quantitative systematic review was performed. Studies that compared magnetic resonance and paraffin sections within subjects for diagnosis of ovarian tumors were included. RESULTS Fifteen primary studies were analyzed, which included 1267 ovarian masses. For borderline or malignant ovarian ...

Journal: :Ai zheng = Aizheng = Chinese journal of cancer 2009
Ting Wan Ji-Hong Liu Li-Min Zheng Mu-Yan Cai Tong Ding

BACKGROUND AND OBJECTIVE Tumor-associated macrophage (TAM) infiltration promotes the progression of various malignancies. This study was to investigate the influence of TAM infiltration on the survival and prognosis of patients with ovarian cancer. METHODS The expression of CD68, a TAM-specific marker, in 67 specimens of ovarian cancer and 22 specimens of benign ovarian lesion was detected by...

2012
Mitsuko Furuya Reiko Tanaka Etsuko Miyagi Daisuke Kami Kiyotaka Nagahama Yohei Miyagi Yoji Nagashima Fumiki Hirahara Yoshiaki Inayama Ichiro Aoki

Inflammatory cells play important roles in progression of solid neoplasms including ovarian cancers. Tumor-associated macrophages (TAMs) contribute to angiogenesis and immune suppression by modulating microenvironment. Ovarian cancer develops occasionally on the bases of endometriosis, a chronic inflammatory disease. We have recently demonstrated differential expressions of CXCR3 variants in en...

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