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01.12.2019 | Case report | Ausgabe 1/2019 Open Access

Journal of Medical Case Reports 1/2019

A modified preauricular and transmandibular approach for surgical management of osteosarcoma of the mandibular condyle within the masticator space and infratemporal fossa: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2019
Autoren:
Tadahide Noguchi, Yasushi Sugiura, Naruo Okada, Yoshiyuki Tsuchiya, Jun-ichi Hyasaka, Ken-ichi Sasaguri, Shunji Sarukawa, Akifumi Fujita, Yusuke Amano, Yoshiyuki Mori

Abstract

Background

Osteosarcomas of the head and neck region are rare entities that comprise < 10% of all osteosarcomas. Multimodality treatment of patients with osteosarcoma is well-established for osteosarcoma in long bones, and the benefits of chemotherapy in long bones are clearly known. However, there is no consensus regarding the effects of chemotherapy in cases of head and neck osteosarcoma. The prognostic factor for head and neck osteosarcoma is complete tumor resection with negative margin, which is a radical surgery. However, a clear margin may be difficult to achieve in the head and neck region.

Case presentation

We present a case of a 69-year-old Japanese woman who developed osteosarcoma of the condyle within the masticator space and infratemporal fossa, which was treated with radical surgery using a modified preauricular and transmandibular approach. Although we recommended adjuvant treatment after surgery, the patient refused this treatment. There was no evidence of local recurrence or distant metastasis through 30 months of follow-up.

Conclusions

Our modified preauricular and transmandibular approach allowed access to the masticator space and infratemporal fossa, thereby increasing complete resection of the tumor and resulting in minimal functional and cosmetic deficits.

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