Giant Angioleiomyoma in Extremity : Report of Two Cases

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Angioleiomyomas are smooth muscle tumors that occur most often in the extremities and are usually less than 2 cm in diameter. We present 2 case reports of giant angioleiomyoma. Case 1 was a 51-year-old woman with a 5-year history of a slowly growing mass 12×10 cm in diameter in the right posterior thigh. The tumor was larger than any previously reported. Case 2 was a 72-year-old man with an 8-year history of a slowly growing mass 6×6 cm in diameter in the left palm. The tumor was unique in that it grew to a giant size in the hand of the elderly patient. Magnetic resonance imaging of both cases confirmed the tumors' presence in the subcutis. T<sub>1</sub>-weighted images showed homogenous signal isointense to muscle. On T<sub>2</sub>-weighted images, areas of hyperintensity and hypointensity intermingled. Three-dimensional gadolinium-enhanced magnetic resonance angiography showed rapid initial enhancement followed by a gradual increase in enhancement, suggesting that the tumors were rich in vessels. Microscopic examination revealed numerous vascular channels embedded within a huge smooth muscle component.<br>

収録刊行物

  • Magnetic resonance in medical sciences : MRMS  

    Magnetic resonance in medical sciences : MRMS 5(2), 113-118, 2006-07-10 

    Japanese Society for Magnetic Resonance in Medicine

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各種コード

  • NII論文ID(NAID)
    10018258620
  • NII書誌ID(NCID)
    AA11648770
  • 本文言語コード
    ENG
  • 資料種別
    NOT
  • ISSN
    13473182
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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