Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: A spindle cell carcinoma presenting with osseous metaplasia in the gingiva: a case report with immunohistochemical analysis | Head Face Medicine BioMed Central Open Access Case report A spindle cell carcinoma presenting with osseous metaplasia in the gingiva a case report with immunohistochemical analysis Naoki Katase1 Ryo Tamamura1 Mehmet Gunduz1 Jun Murakami2 Jun-Ichi Asaumi2 Goichi Tsukamoto3 Akira Sasaki3 and Hitoshi Nagatsuka 1 Address Department of Oral Pathology and Medicine Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama University Okayama 700-8525 Japan 2Department of Oral and Maxillofacial Radiology Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama University Okayama 700-8525 Japan and 3Department of Oral and Maxillofacial Surgery and Biopathological Science Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama University Okayama 700-8525 Japan Email Naoki Katase - gmd17099@ Ryo Tamamura - tamamura@ Mehmet Gunduz - mgunduz@ Jun Murakami - jun-m@ Jun-Ichi Asaumi - asaumi@ Goichi Tsukamoto - gtsuka@ Akira Sasaki - asasaki@ Hitoshi Nagatsuka - jin@ Corresponding author Published I December 2008 Received I August 2008 Head Face Medicine 2008 4 28 doi 1746-160X-4-28 Accepted 1 December 2008 This article is available from http content 4 I 28 2008 Katase et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Spindle cell carcinoma SpCC is a rare high malignant variant of squamous cell carcinoma SCC which shows biphasic proliferation of conventional SCC component and malignant spindle shape cells with .