نتایج جستجو برای: rhabdomyosarcoma
تعداد نتایج: 21356 فیلتر نتایج به سال:
The PI3K/AKT/mTOR and RAS/RAF/MAPK pathways play essential roles in rhabdomyosarcoma. Singular targeting of each pathway is ineffective due to extensive cross-talk and compensatory feedback between these two pathways. Dual blockade with inhibitors of PI3K and MAPK in combination synergistically inhibits growth of rhabdomyosarcoma both in vitro and in vivo.
Rhabdomyosarcoma is the most frequent soft tissue sarcoma in children and adolescents, with a high rate of relapse that dramatically affects the clinical outcome. Multiagent chemotherapy, in combination with surgery and/or radiation therapy, is the treatment of choice. However, the relapse rate is disappointingly high and identification of new therapeutic tools is urgently needed. Under this re...
Levels of vascular endothelial growth factor (VEGF) are regulated, in part, through activation of the phosphatidylinositol 3'-kinase/Akt pathway. Using pharmacologic inhibitors, we have examined the relative contributions of Akt and mammalian target of rapamycin (mTOR) signaling to VEGF production in neuroblastoma and rhabdomyosarcoma cells growing under normoxic (21% O(2)) or hypoxic (1% O(2))...
PURPOSE To present a case of embryonal rhabdomyosarcoma of the intrinsic laryngeal musculature and discuss the treatment of this rare tumor. METHODS AND MATERIALS A 45year-old male presented with an eleven month history of hoarseness. A mass of the posterior glottis was noted on fiberoptic laryngoscopy. Computed tomography indicated a 1.5×2.5cm laryngeal mass without cartilage involvement. Di...
purpose : to report the outcome of a case of primary conjunctival rhabdomyosarcoma treated by surgical excision combined with chemotherapy case report : a 4-year-old boy presented with a visible recurrence of conjunctival mass in the left eye. the orbital magnetic resonance imaging (mri) showed the lesion was confined to the conjunctiva without orbital infiltration. histology and immunophenotyp...
Rhabdomyosarcoma rarely metastasizes to the breast. We report a case of a pediatric patient who initially presented with a right breast mass and pancytopenia, which was subsequently diagnosed as alveolar rhabdomyosarcoma. Despite initial favorable response to chemotherapy, a new metastatic focus was found in the contralateral breast 10 months later.
Rhabdomyosarcoma frequently infiltrates bone marrow and this process involves the stromal-derived factor-1 (SDF-1)-CXCR4 axis. Because leukemia inhibitory factor (LIF), like SDF-1, is secreted by bone marrow stroma and directs the regeneration of skeletal muscles, we examined whether the LIF-LIF receptor (LIF-R) axis affects the biology of rhabdomyosarcoma cells. We found that in rhabdomyosarco...
this is a picture review of a case of orbital rhabdomyosarcoma. the course of patients diagnosis, treatment and outcome is briefly presented.
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