Histopathological investigation of mandibular invasion by gingival carcinoma according to procedure for mandibular resection

Autor:	Nobuharu Yamamoto, Hiroshi Ohtsuru, Kazuo Arai, Keiko Yokoo, Takahiko Shibahara, Hiroyasu Noma, Takeshi Nomura, Sadamitsu Hashimoto
Rok vydání:	2002
Předmět:	medicine.medical_specialty business.industry Gingival Carcinoma Mandible Soft tissue Segmental Mandibulectomy Surgery medicine.anatomical_structure Mandibulectomy Hemimandibulectomy Medicine Cortical bone Segmental resection business
Zdroj:	Japanese Journal of Oral & Maxillofacial Surgery. 48:129-134
ISSN:	2186-1579 0021-5163
DOI:	10.5794/jjoms.48.129
Popis:	We assessed the relation between the procedure used for mandibular resection and the pattern of tumor invasion to the jaw in 176 patients with lower gingival carcinoma at the First Department of Oral & Maxillofacial Surgery, Tokyo Dental College from 1988 through 1998. The results were as follows: 96 patients (55%) received marginal resection of the mandible, 74 (42%) received segmental resection of the mandible, and 6 received hemimandibulectomy. The tumors in the patients who underwent marginal reresection were classified into two categories: invasion to the periostium (11 patients, 11%) and invasion to the cortical bone and marrow (23 patients, 24%). The tumors in the patients who underwent segmental resection were classified into two categories: invasion to the periostium (48 patients, 65%) and invasion to the cortical bone and marrow (26 patients, 35%). Local recurrence (soft tissue) occurred in 14 of the 80 (18%) patients who underwent segmental mandibulectomy patients and in 14 of the 96 (14%) who underwent marginal mandibulectomy.
Databáze:	OpenAIRE
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