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RADIOGRAPHIC AND HISTOLOGIC STUDY OF THE MANDIBULAR INVASION BY GINGIVAL SQUAMOUS CELL CARCINOMA

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Abstract

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1. ¹æ»ç¼± »çÁø »ó¿¡¼­ ÇϾǰñ ħ¹ü ¹üÀ§·Î ¿¹ÃøÇÑ °Íº¸´Ù, Á¶Á÷º´¸®ÇÐÀû ¼Ò°ß¿¡¼­ ÈξÀ
´õ ¸¹ÀÌ Á¾¾ç¼¼Æ÷°¡ ħ¹üÇÑ ¾ç»óÀ̾ú´Ù. ƯÈ÷, Á¾¾çÀÇ Ä§¹ü ±íÀÌ ¿¹Ãøº¸´Ù Á¾¾çÀÇ Ä§¹ü ³Êºñ
¿¹ÃøÀÌ ´õ ¾î·Á¿ü´Ù.
2. Á¾¾ç¼¼Æ÷°¡ ÇÏÄ¡Á¶½Å°æ ¿Ü¸·À» ħ¹üÇÑ °æ¿ìº¸´Ù´Â, ÇϾǰñ °ñ¼ö°­ ³»¸¦ ÅëÇÑ ÆÄ±Þ ¾ç»ó
ÀÌ ÇöÀúÇÏ¿´´Ù. ¶ÇÇÑ ÇÏÄ¡Á¶½Å°æ ¿Ü¸·À» ħ¹üÇÑ °æ¿ì¿¡µµ ÀÓ»óÀûÀ¸·Î ÀÔ¼úÀÇ °¨°¢ ÀÌ»ó ¼Ò
°ßÀº ¾ø¾ú´Ù.
3. ÇϾǰñħ¹üÀÌ µÈ °æ¿ì ´ëºÎºÐ ¾ÈÀüº¯¿¬(safety margin)À» È®º¸ÇÏ°í ³ª¸é, ÇϾǰñ ÇÏ¿¬
ÀÇ ¿¬¼Ó¼ºÀ» º¸Á¸Çϱ⿡´Â ¾î·Á¿òÀÌ ¸¹´Ù.

The route of bony invasion and spread pattern of tumor in the mandible are important
in management of gingival cancer. Ten patients with gingival cancer involving
mandibular body region were operated by composite resection. The radiographic and
histopathologic features of the mandibular invasion and spread were analysed and
compared. Our results showed that histopathologic extent of tumor invasion were greater
than the radiographic prediction, especially in width of the tumor. And the pattern of
bony invasion in the body area was mostly found in transmedullary spread rather than
perineural spread. The vortical involvement in the mandibular body with tumor was
evaluated. It indicated that if a oncologic surgeon was to ensure an adequate safety
margin for extirpation of tumor, in most cases, the maintenance of the mandibular
continuity is difficult. If the mandibular involvement by gingival cancer was identified
radiographically and clinically, segmental mandibulectomy was required for the adequate
safety margin, in consideration of the spread pattern in the body area.

Å°¿öµå

Gingival cancer; mandibular invasion; pattern of spread;

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KCI
KoreaMed