Metastatic sarcomatoid renal cell carcinoma to the mandible treated with Sorafenib

Kazuhiro Murakami, Kazuhiko Yamamoto, Kumiko Aoki, Ikuyo Fukumoto, Tsutomu Sugiura, Tadaaki Kirita

Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan.

DOI: 10.4236/ojst.2012.23039                

Abstract

A case of metastatic sarcomatoid renal cell carcinoma to the mandible treated with Sorafenib is reported. A 76-year-old man consulted us for hyposthesia of the right lower lip. Panorama X-ray film showed a ra-diolucent lesion in the right mandibular body. A diagnosis of metastatic tumor to the mandible from the left kidney was made after evaluation by computed tomography and positron emission tomography, which also revealed multiple bone metastases. After radiotherapy for mandibular and thoracic lesions, nephrectomy was performed. Histological diagnosis was sarcomatoid renal cell carcinoma. Interferon therapy was performed but was not effective; therefore, a molecular targeted drug, Sorafenib, was administered. Sorafenib effectively inhibited the growth of oral and other metastatic lesions for 10 months. Quality of life was relatively well maintained with tolerable adverse effects. The patient survived for as long as 2 years after appearance of the first symptom.

Keywords

Sarcomatoid Renal Cell Carcinoma; Oral Metastatic Lesion; Molecular Targeted Therapy; Sorafenib

Conflicts of Interest

The authors declare no conflicts of interest.

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