نتایج جستجو برای: tumor margin
تعداد نتایج: 459041 فیلتر نتایج به سال:
Margin status is surely a prognostic factor in patients undergoing breast-conserving therapy, but its impact is probably overestimated in case of adequate adjuvant radiotherapy. Radiotherapy improves local control after excision of the primary tumor in all subgroups of patients. There is, in contrast, no evidence that a certain margin width or a re-resection improves local control.
Background: Epithelioid sarcoma is a malignant soft tissue tumor of uncertain histogenesis, categorized as a morphologically distinct neoplasm that characteristically affects the distal parts of the extremities in young adults. In fact, epithelioid sarcoma is the most common soft tissue sarcoma in the hand and wrist. Case report: This 32 year-old male presented with an inguinal swelling, for w...
TARGET AUDIENCE: To assist radiation oncologists and medical physicists in determining treatment margins to fully estimate tumor motion in the thorax. PURPOSE: Conventionally, margins for mobile tumors in the thorax are derived from the 4DCT treatment planning images. These images are acquired in ~1 min to avoid excessive radiation to patients. In contrast, the duration of the radiation treatme...
Semaphorin 4D is highly expressed at the invasive tumor margin and acts as a guidance molecule, restricting movement of tumoricidal immune cells into the tumor microenvironment. We recently showed that antibody neutralization of SEMA4D augmented activated monocyte and anticancer T-cell tumor penetration and that anti-SEMA4D antibody potentiated other immunomodulatory therapies in murine tumor m...
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Introduction: MR images are routinely used in brain tumor management and provide an excellent visualization of the global heterogeneity of the tumor. However, since MR intensities have not been linked to biological mechanisms that drive tumor growth and response, they have proven to be inadequate surrogates of tumor presence particularly following treatment. This study will address the inabilit...
Introduction: Osteoprotegerin (OPG), Interleukin-15 (IL-15), and Growth/Differentiation Factor-15 (GDF-15) are all proven to take part in the processes associated with colorectal carcinoma (CRC) including tissue remodeling, inflammation modulation, metastasis. Aim of study: To investigate concentrations GDF-15, OPG IL-15 tumor margin tissues CRC relation clinicopathological features patients. M...
Tumor recurrence in hepatocellular carcinoma (HCC) patients after radiofrequency ablation (RFA) remains common; some studies have reported that insufficient ablative margin after RFA might contribute to HCC recurrence. The aim of this study was to investigate whether insufficient ablative safety margins determined by early computed tomography (CT) predicts HCC recurrence after RFA. This retrosp...
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