has characteristic has characteristic malignant glomus tumor https://www.malacards.org/card/glomangiosarcoma ONCOTREE:MGST DOID:5233 NCIT:C4221 GARD:0023459 malignant glomus neoplasm ICDO:8710/3 A very rare morphologic variant of glomus tumor with a size greater than 2 cm. The tumor arises in subfascial or visceral tissues. It is characterized by the presence of atypical mitotic figures, or marked nuclear atypia, or the combination of both. It has an aggressive clinical course. ICDO:8711/3 malignant glomus tumor MEDGEN:226840 MONDO:0003340 UMLS:C1266111 glomangiosarcoma glomus tumor, malignant cancer glomus tumor neoplastic, malignant