Cytokeratin - positive rib osteosarcoma metastasizing to the small intestine

• Main Authors: Hiroko Kuwabara (Author), Kazuhiko Fujita (Author), Masako Yuki (Author), Isao Goto (Author), Toshiaki Hanafusa (Author), Yuro Shibayama (Author)
• Format: Book
• Published: Wolters Kluwer Medknow Publications, 2014-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Osteosarcoma (OS) is a malignant tumor in which osteoid or bone is produced directly by tumor cells. Some OS cells are positive for cytokeratin (CK) and epithelial membrane antigen by immunohistochemistry (IHC) and this may lead to a misdiagnosis of metastatic carcinoma, particularly when the tumor...