melanocytic medulloblastoma 《英文msh词典》Melanocytic Medulloblastoma ; [入口词] Melanocytic Medulloblastoma ; [主题词] Medulloblastoma ; [英文释义] A malignant neoplasm that may be classified either as a glioma or as a primitive neuroectodermal tumor of childhood (see NEUROECTODERMAL TUMOR,PRIMITIVE). The tumor occurs most frequently in the first decade of life with the most typical location being the cerebellar vermis. Histologic features include a high degree of cellularity,frequent mitotic figures,and a tendency for the cells to organize into sheets or form rosettes. Medulloblastoma have a high propensity to spread throughout the craniospinal intradural axis. (From DeVita et al.,Cancer: Principles and Practice of Oncology,5th ed,pp2060-1)
melanocytic medulloblastomas 《英文msh词典》Melanocytic Medulloblastomas ; [入口词] Melanocytic Medulloblastomas ; [主题词] Medulloblastoma ; [英文释义] A malignant neoplasm that may be classified either as a glioma or as a primitive neuroectodermal tumor of childhood (see NEUROECTODERMAL TUMOR,PRIMITIVE). The tumor occurs most frequently in the first decade of life with the most typical location being the cerebellar vermis. Histologic features include a high degree of cellularity,frequent mitotic figures,and a tendency for the cells to organize into sheets or form rosettes. Medulloblastoma have a high propensity to spread throughout the craniospinal intradural axis. (From DeVita et al.,Cancer: Principles and Practice of Oncology,5th ed,pp2060-1)
melanocytic vestibular schwannomas 《英文msh词典》Melanocytic Vestibular Schwannomas ; [入口词] Melanocytic Vestibular Schwannomas ; [主题词] Neuroma,Acoustic ; [英文释义] A schwannoma that arises from the vestibular division of the vestibulocochlear nerve and tends to present in the fifth or sixth decade of life. Clinical manifestations include loss of hearing,headache,vertigo,facial pain,tinnitus,and facial weakness. Bilateral acoustic neuromas are associated with NEUROFIBROMATOSIS 2. (From Adams et al.,Principles of Neurology,6th ed,p673)
Inhibitory effects of liuwei dihuang pill on melanocytic proliferation, melanin synthesis and tyrosinase activity in vitro 六味地黄丸对体外培养黑素细胞的抑制作用
Histologic examination of the tan patch reveals features of lentigo simplex, whereas the speckled macules and papules disclose melanocytic nevi 组织病理下褐色斑块呈现单纯性黑痣,而其上的斑点及丘疹则为黑色素细胞痣。