نتایج جستجو برای: breast granular mass
تعداد نتایج: 739328 فیلتر نتایج به سال:
Granular cell tumor (GCT) is a benign tumor of the breast that can mimic, on breast imaging, invasive carcinomas. Biological evolution of mammary GCT is unknown, especially if it is associated with an invasive carcinoma in the same or contralateral breast. This report details the morphological features of these synchronous lesions highlighting their biological characteristics and suggesting an ...
It has been proposed that the grade of malignancy of ductal carcinoma in situ (DCIS) of the breast can be estimated by the morphology of microcalcifications found on mammography. We correlated microcalcifications and histopathology in a retrospective blinded review. We reviewed all patients who underwent excisional breast biopsy over a 5 1/2-year period. Mammograms and pathology slides of all p...
A woman presented with a hard lump in the right breast and palpable nodes in the right axilla. Mammography and ultrasound disclosed a 4.5-cm, irregular, dense mass with lobulated borders in the upper outer quadrant of the right breast. Results of staging investigation, including chest radiographs and bone scans, were normal. The patient underwent a right modified radical mastectomy with axillar...
This paper presents a numerical analysis of granular column collapse phenomenon using a two-dimensional smoothed particle hydrodynamics model and a local constitutive law proposed by Jop et al. This constitutive law, which is based on the viscoplastic behaviour of dense granular material flows, is characterized by an apparent viscosity depending both on the local strain rate and the local press...
Bloody nipple discharge is among the most common problem in breast surgery. This is because the benign intraducatal papilloma is the leading cause of bloody nipple discharge, although in malignant carcinoma of the breast any discharge is bloody. This survey was carried in order to determine ranking rate of causes and coincidence of intraductal papilloma, bloody nipple discharge and breast mass,...
Background: Diffusion-weighted imaging (DWI) is one of methods in evaluation of breast lesions. We aimed to investigate the apparent diffusion coefficient (ADC) values in breast tumors and their accuracy in differentiating benign versus malignant lesions. Methods: In this cross-sectional study, 72 patients with 88 breast lesions were investigated by 1.5-T breast MRI from 2015 to 2017 in Athari...
Abstract Background Breast carcinoma is uncommon in women under 25 and very rare in less than 20 years old. Only few cases of infiltrating breast carcinoma have been reported and among them there was no report of medullary subtype. The purpose of this report is to determine clinical, histopathological and sonographic findings of large mass in breast of young female patient that diagnosed as ...
We present experimental results on the mechanical behavior of static granular assemblies confined in a vertical column. Our measurements confirm the universal Janssen scaling for the stress saturation curve. We show consequently, in the context of isotropic elasticity, a relation between the Poisson ratio and the granular packing fraction. Moreover, using a systematic study of the overshoot eff...
In this paper we present a particle-based method for large scale long time progressive simulation of terrain erosion containing wet granular particles. The wetting process and the propagation through granular material is based on defining the wetness value for each particle representing the amount of water absorbed by granular particles and stored between them, as was originally proposed by Run...
disseminated b cells burkitt's lymphoma with stomach ,breast and eyelid involvement burkitt's lymphoma in adult is rare and has a progressive pattern in advanced stages. the current case is a 19 year old lady who was admitted in a hospital due to gi bleeding shown as melena. an upper gastrointestinal endoscopy report remarked a tomural mass lesion and also multiple masses in breast and abdomen ...
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