نتایج جستجو برای: metastatic melanoma
تعداد نتایج: 136184 فیلتر نتایج به سال:
triple negative breast cancers (tnbcs) are associated with aggressive course, higher rates of visceral and central nervous system metastases and lower survival rate than hormone receptor positive. once metastasis has occurred, a median survival was approximately one year. currently, chemotherapy in tnbc is similar to other her2- negative breast cancers but in the near future, it will revolution...
Objective(s): Growing evidences have indicated microRNAs as modulators of tumor development and aggression. On the other hand, a phenomenon known as epithelial-mesenchymal transition (EMT) that indicates a transient phase from epithelial-like features to mesenchymal phenotype is a key player in tumor progression. In this study, we aimed to assess the potential impacts...
BACKGROUND The cyclin-dependent kinase inhibitor p27 plays important roles in cell proliferation, cell motility, and apoptosis. Interestingly, the nuclear and cytoplasmic p27 exert opposite biological functions. In this study, we investigated the prognostic impact of subcellular p27 expression. METHODS We constructed melanoma tissue microarrays in a large series of melanoma patients, includin...
BACKGROUND Complete spontaneous regression of melanoma metastatic to the lungs is a rare event. OBJECTIVE To report a case of biopsy-proven melanoma metastatic to the lung with complete spontaneous regression. METHODS Multidisciplinary case report. RESULTS A 35-year-old white female was diagnosed with metastatic melanoma to the lung. A pleural biopsy confirmed the diagnosis. Partial spont...
Melanoma exosomes educate bone marrow progenitor cells toward a pro-metastatic phenotype through MET
Tumor-derived exosomes are emerging mediators of tumorigenesis with tissue-specific addresses and messages. We explored the function of melanoma-derived exosomes in the formation of primary tumor and metastases in mouse and human subjects. Exosomes from highly metastatic melanoma increased the metastatic behavior of primary tumors by permanently “educating” bone marrow (BM) progenitors via the ...
Melanoma is a tumor of pigment producing cells melanocytes. Malignant melanoma is associated with a high morbidity and mortality because of its widespread and rapid metastasis. Melanoma commonly metastasizes to lung and secondary metastatic pulmonary melanoma is a well known entity. Metastatic melanoma can present with varied pattern of pulmonary involvement ranging from post obstructive pneumo...
This dissertation is based on the following publications on metastatic uveal melanoma. The original publications in the text will be referred to by their Roman numerals I-IV: doubling times in metastatic malignant melanoma of the uvea: Tumor progression before and after treatment. prognostic model and staging for metastatic uveal melanoma.
Background. Visceral metastatic spread of ocular melanoma most commonly occurs via hematogenous route to the liver. Lymphatic spread of ocular melanoma into abdominal lymph nodes has not been reported previously. Case Presentation. A 47-year-old man with a history of ocular melanoma presented with a soft tissue mass on CT scan. The mass encased the portal structures of the hepaticoduodenal liga...
Tumor suppressor gene O6-methylguanine-DNA methyltransferase (MGMT) promoter methylation has been reported in melanoma. However, the clinical and prognostic significance of MGMT promoter methylation in patients with melanoma remained to be determined. A systematic search was performed to identify eligible papers published. The overall odds ratios (ORs) or hazard ratios and their 95% confidence ...
Clinical reports of primary sphenoid sinus melanoma and isolated gastric metastatic melanoma are rare. Thus, to the best of our knowledge, the present study reports the first case of isolated gastric metastasis from a sphenoid sinus melanoma. The aim of the present study was to discuss the clinicopathological and radiographic characteristics, the treatment strategy and the prognosis of sphenoid...
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