نتایج جستجو برای: primary and metastatic melanoma
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Metastatic bladder tumors constitute <5% of all bladder tumors and metastatic malignant melanoma of the urinary bladder is very rare. We present a case report of a metastatic malignant melanoma of the urinary bladder. A 70-year-old woman without any apparent significant clinical history was admitted to the Department of Urology for gross hematuria. Microscopic findings of the transurethral rese...
Malignant melanoma of the parotid gland is often metastatic and mainly originates from malignant melanomas in the head and neck. Nevertheless, some malignant melanomas may metastasize and subsequently regress. Therefore, it may not be possible to observe a metastatic malignant melanoma and its primary melanoma simultaneously. The investigation of a patient's old photographs may help in the dete...
Genomes of human cancer cells are characterized by numerous chromosomal aberrations of uncertain pathogenetic significance. Here, in an inducible mouse model of melanoma, we characterized metastatic variants with an acquired focal chromosomal amplification that corresponds to a much larger amplification in human metastatic melanomas. Further analyses identified Nedd9, an adaptor protein related...
BACKGROUND/AIM The aim of the present study was to define prognostic factors and to evaluate liver resection as an additive tool in metastatic melanoma. PATIENTS AND METHODS In a case-control study, 32 patients with hepatic melanoma metastasis were analyzed between 1998-2012. Sixteen patients who underwent liver resection (6 patients with multimodal therapy) were matched to 16 patients schedu...
Uveal melanoma is an aggressive cancer that metastasizes to the liver in about half of the patients, with a high lethality rate. Identification of patients at high risk of metastases may provide indication for a frequent follow-up for early detection of metastases and treatment. The analysis of the gene expression profiles of primary human uveal melanomas showed high expression of SDCBP gene (e...
AIM We investigated differences of metastatic spread of normal proteinase-activated receptor-2 (Par2+/+) melanoma B16 in Par2-/- (knock-out) animals compared to C57Bl6 mice. MATERIALS AND METHODS Nine knock-out mice B6.Cg-F2rl1tm1Mslb/J (Par2-/-) and nine C57Bl6/J controls were subcutaneously inoculated with B16 melanoma tissue cells. Twelve days after inoculation, all primary tumors were rem...
No particular regimen is considered standard therapy for widespread metastatic melanoma, although surgery is the primary choice for regional nodal metastases. Systemic interleukin-2 (IL-2) is an effective immunotherapy for melanoma, but standard doses are associated with severe toxicity. We report a patient who was treated with intralesional low-dose IL-2 and V-beam pulsed dye laser for the tre...
Background Immunotherapies that target immune-checkpoint molecules such PD-1 have helped to achieve durable responses in melanoma treatment. However, 25% of melanoma patients who showed objective responses to PD-1 blockade develop resistance and suffer from disease progression and ultimately death, which necessitates the identification of related resistance mechanisms.IL-34 is a cytokine that c...
EMN: eruptive melanocytic nevi EMMM: epidermotropic metastatic malignant melanoma ITM: in-transit metastases INTRODUCTION Eruptive melanocytic nevi (EMN) are an unusual phenomenon characterized by the rapid appearance of multiple melanocytic nevi. Whether atypical or benign, EMN are associated with various medications and diseases but not previously with melanoma. EMN have been described in int...
CCN3/nephroblastoma overexpressed belongs to the CCN family of genes that encode secreted proteins associated with the extracellular matrix (ECM) and exert regulatory effects at the cellular level. Overexpression of CCN3 was shown in metastatic melanoma cells compared with cells of the primary tumor from the same patient. Analysis of short-term cultures from 50 primary and metastatic melanomas ...
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