A case of chondrolipoma arising in the mental region

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  • MATSUI Kensaku
    Department of Oral and Maxillofacial Surgery, Hiroshima Prefectural Hospital
  • KANDA Taku
    Department of Oral and Maxillofacial Surgery, Hiroshima Prefectural Hospital
  • UEDA Yume
    Department of Oral and Maxillofacial Surgery, Hiroshima Prefectural Hospital Department of Oral Oncology, Graduate School of Biomedical and Health Sciences Hiroshima University
  • OMACHI Kai
    Department of Oral and Maxillofacial Surgery, Hiroshima Prefectural Hospital
  • HATTORI Yui
    Department of Pathology and Laboratory Medicine, Hiroshima Prefectural Hospital
  • KIRIYAMA Takeshi
    Department of Oral and Maxillofacial Surgery, Hiroshima Prefectural Hospital Department of Oral and Maxillofacial Surgery, Hiroshima Hiramatsu Hospital

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  • オトガイ部に発生した軟骨脂肪腫の1例
  • オトガイブ ニ ハッセイ シタ ナンコツ シボウ シュ ノ 1レイ

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Abstract

<p>Chondrolipoma is an extremely rare lipoma subtype, and its pathogenesis is unknown. Furlong et al reported two cases (1.6％) out of 125 lipomas in the head and neck region. </p><p>　In this report, we describe a case of chondrolipoma arising in the mental region. The patient was referred to our hospital due to a painless mass on the right side of the mandible. A 80 × 50 mm mass of mobile elastic-soft tissue with skin bulge was found in the right mandibular area. T1- and T2-weighted images showed a 42 × 26 × 24 mm mass with internal septal structure in the mental region. The patient underwent tumor enucleation under general anesthesia. Histopathological findings showed mature adipose tissue with no cellular atypia and mixed cartilage components, which led to the diagnosis of chondrolipoma. One year after the surgery, there was no functional impairment and no recurrence.</p>

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