rhabdoid tumor childhood malignant neoplasm extrarenal rhabdoid tumor GARD:0025921 MONDO:0044916 malignant extrarenal rhabdoid neoplasm rhabdoid tumor of soft tissue UMLS:C1304517 extrarenal rhabdoid tumor MEDGEN:224918 NCIT:C6586 SCTID:404089007 A rhabdoid tumor which arises in the soft tissues. It occurs in infants and children and may be associated with loss of chromosome 22. It is characterized by the presence of cells with a large eccentric nucleus, prominent nucleolus, and abundant cytoplasm. rhabdoid tumour of soft tissue