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Glomus tumors (GT) have been classified among tumors of perivascular smooth muscle differentiation, together with myopericytoma… Expand Primary malignant glomus tumors of the lung are extremely rare, and to our knowledge, only three cases have been described to… Expand Occasional glomus tumors display unusual features, such as large size, deep location, infiltrative growth, mitotic activity… Expand Objectives/Hypothesis: To ascertain the incidence of malignancy in a large glomus and skull base series and to compare the… Expand Malignant glomus tumour is an extremely rare neoplasm, and only a few cases with local invasive or aggressive features have been… Expand Glomangiosarcoma is a rare malignant variant of the glomus tumor (GT). It has been reported in different anatomical locations… Expand Glomus tumors are characteristically benign solitary tumors. A few cases of malignant glomus tumors have been reported; however… Expand Gastric glomus tumors are characteristically benign solitary lesions. We present a case of multiple glomus tumors involving the… Expand Six cases of locally aggressive and/or potentially malignant glomus tumors are described. On the basis of clinical and pathologic… Expand An extremely rare case of glomangiosarcoma (GS) occurring in a glomus tumor (GT) was evaluated ultrastructurally and… Expand