نتایج جستجو برای: ovarian lesions texture analysis

تعداد نتایج: 3064747  

2008
Christian Loyek Friedrich G. Woermann Tim W. Nattkemper

Focal cortical dysplasia (FCD) is a frequent cause of medically refractory partial epilepsy. The visual identification of FCD lesions on magnetic resonance images (MRI) is a challenging task in standard radiological analysis. Quantitative image analysis which tries to assist in the diagnosis of FCD lesions is an active field of research. In this work we investigate the potential of different te...

2011
Emily Stamell Adekunle O. Oguntayo Evan P. Nadler

Introduction Ovarian lesions in paediatric patients require special considerations that may not be applicable in adult patients with comparable diseases. Importantly, these lesions do not follow the same histologic distribution as those seen in adults. They range from benign cysts that can regress spontaneously to bilateral malignancies that require aggressive treatment. Gynecological malignanc...

Journal: :Arquivos brasileiros de endocrinologia e metabologia 2009
Rita C Ferreira Laura S Ward Randall L Adam Neucimar J Leite Konradin Metze Patrícia S de Matos

OBJECTIVE AND METHODS To investigate the utility of nuclear chromatin texture assessment in the differential diagnosis of follicular patterned lesions, by means of examining 76 samples previously submitted to the immunohistochemical protein analysis of HBME-1, CK-19 and galectina-3. RESULTS HBME-1 confirmed to be the most sensitive marker of malignancy. A series of morphometric, densitometric...

Journal: :Clinical radiology 2004
G Castellano L Bonilha L M Li F Cendes

The analysis of texture parameters is a useful way of increasing the information obtainable from medical images. It is an ongoing field of research, with applications ranging from the segmentation of specific anatomical structures and the detection of lesions, to differentiation between pathological and healthy tissue in different organs. Texture analysis uses radiological images obtained in ro...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 1998
S Kyo M Takakura M Tanaka K Murakami R Saitoh H Hirano M Inoue

Telomerase activation has been demonstrated in both cancers and some noncancerous lesions. However, few studies have determined levels of telomerase activity in these lesions. In the present study, using a recently developed stretch PCR assay, telomerase activity was quantitatively determined in a variety of ovarian lesions including 36 ovarian cancers, 5 ovarian low potential malignancy (LPM) ...

Journal: :Pattern Recognition 2000
Qiang Ji John Engel Eric Craine

This paper presents a generalized statistical texture analysis technique for characterizing and recognizing typical, diagnostically most important, vascular patterns relating to cervical lesions from colposcopic images. Recognizing the fact that the texture patterns related to cervical lesions are primarily due to the vascular structures, the technique first extracts the vascular structures fro...

2009
Maria de Azevedo André Victor Alvarenga

OBJECTIVE: The purpose of this study was to assess the features of breast lesion texture on sonographic images of patients submitted to breast-conserving surgery, with or without tumor recurrence. MATERIALS AND METHODS: Sonographic images of 36 patients submitted to conservative surgery for breast cancer, 12 of them with, and 24 without local recurrence, included 3 contralateral malignant lesio...

Journal: :Human reproduction 2010
Xinmei Zhang Huijiao Yao Xiufeng Huang Bangchun Lu Hong Xu Caiyun Zhou

BACKGROUND Although nerve fibres are present in eutopic and ectopic endometrium, it is unclear whether they appear in ovarian endometriotic lesions. We investigated the presence of nerve fibres in ovarian endometriotic lesions and its correlation with clinical parameters in women with ovarian endometriosis. METHODS Histological sections of ovarian endometriotic lesions from 61 women with ovar...

Journal: :Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2017
Jürgen K Willmann Lorenzo Bonomo Antonia Carla Testa Pierluigi Rinaldi Guido Rindi Keerthi S Valluru Gianluigi Petrone Maurizio Martini Amelie M Lutz Sanjiv S Gambhir

Purpose We performed a first-in-human clinical trial on ultrasound molecular imaging (USMI) in patients with breast and ovarian lesions using a clinical-grade contrast agent (kinase insert domain receptor [KDR] -targeted contrast microbubble [MBKDR]) that is targeted at the KDR, one of the key regulators of neoangiogenesis in cancer. The aim of this study was to assess whether USMI using MBKDR ...

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