Konishi E

No ORCID on file · 1 paper in corpus · active 2026
2026
Journal of surgical case reports ·doi:10.1093/jscr/rjag294

Extraskeletal osteosarcoma is a rare malignant tumor with an osteoid or bone matrix that develops in soft tissues that are not in contact with bone or periosteum. A 47-year-old woman presented with a subcutaneous mass in her right abdomen. …