A case of malignant proliferating trichilemmal cyst (MPTC) presenting as a cancer en cuirasse

DOI 8 References
  • OGATA Aki
    <i>Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University</i>
  • MIYASHITA Azusa
    <i>Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University</i>
  • HONDA Noritoshi
    <i>Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University</i>
  • FUKUSHIMA Satoshi
    <i>Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University</i>
  • ISHIHARA Tsuyoshi
    <i>Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University</i>
  • IHN Hironobu
    <i>Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University</i>

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Other Title
  • 鎧状癌の外観を呈し急速に進行した左大腿原発悪性増殖性外毛根鞘性嚢腫の１例

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An 81-year-old man noticed a small nodule on his left thigh five years ago. Since the tumor had increased in size during the past several months, he visited a clinic. Complete surgical excision was performed on a diagnosis of squamous cell carcinoma. The patient was referred to our hospital for further treatment.<br>Erythema and swelling were noted on his groin, and limb. PET-CT scan revealed metastasis to the para-aortic and groin lymph nodes. Histological examination of the left inguinal lymph nodes and erythema confirmed the tumor invasion. We finally diagnosed his condition as MPTC (pT2N1M1: stage IV). We selected radiation as symptomatic therapy. It was temporarily effective, but multiple metastases appeared on the whole left leg and he died within 3 months of the occurrence of the skin eruption.[Skin Cancer (Japan) 2011 ; 26 : 157-160]

Journal

  • Skin Cancer

    Skin Cancer 26 (2), 157-160, 2011

    The Japanese Skin Cancer Society

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