Treatment of breast cancer with low expression of human epidermal growth factor receptor 2(HER2;HER2-low)has drawn much attention in recent years.With the proven therapeutic effect of trastuzumab deruxtecan(T-DXd)in p...Treatment of breast cancer with low expression of human epidermal growth factor receptor 2(HER2;HER2-low)has drawn much attention in recent years.With the proven therapeutic effect of trastuzumab deruxtecan(T-DXd)in patients with HER2-low(immunohistochemistry[IHC]1+,or IHC2+/in situ hybridization[ISH]-)breast cancer,HER2-low may become a new subtype of targeted therapy for breast cancer.The expert committee formulated this consensus based on the current clinical studies and clinical medication experience.The current consensus is the collaborative work of an interdisciplinary working group,including experts in the fields of pathology and oncology.The purpose of this consensus was to guide the clinical diagnosis and treatment of HER2-low breast cancer,thereby prolonging the overall survival of patients.展开更多
Melanotic schwannoma is a rare variant of schwannoma composed of melanin-producing cells with ultrastructural features of schwann cells. The description of the course of the tumors differs somewhat, but it is generall...Melanotic schwannoma is a rare variant of schwannoma composed of melanin-producing cells with ultrastructural features of schwann cells. The description of the course of the tumors differs somewhat, but it is generally considered as a benign lesion. We investigated the clinicopathologic features, immunophenotypes, and ultrastructural features of 13 patients with nonpsammomatous melanotic schwannoma (NPMS).展开更多
文摘Treatment of breast cancer with low expression of human epidermal growth factor receptor 2(HER2;HER2-low)has drawn much attention in recent years.With the proven therapeutic effect of trastuzumab deruxtecan(T-DXd)in patients with HER2-low(immunohistochemistry[IHC]1+,or IHC2+/in situ hybridization[ISH]-)breast cancer,HER2-low may become a new subtype of targeted therapy for breast cancer.The expert committee formulated this consensus based on the current clinical studies and clinical medication experience.The current consensus is the collaborative work of an interdisciplinary working group,including experts in the fields of pathology and oncology.The purpose of this consensus was to guide the clinical diagnosis and treatment of HER2-low breast cancer,thereby prolonging the overall survival of patients.
基金This work was supported by a grant from the China Medical Board ofNew York (No. CMB 00-722).
文摘Melanotic schwannoma is a rare variant of schwannoma composed of melanin-producing cells with ultrastructural features of schwann cells. The description of the course of the tumors differs somewhat, but it is generally considered as a benign lesion. We investigated the clinicopathologic features, immunophenotypes, and ultrastructural features of 13 patients with nonpsammomatous melanotic schwannoma (NPMS).