A Case of Squamous Cell Carcinoma that Developed on Chronic Tar Dermatosis

  • SHIMAUCHI Takatoshi
    Department of Dermatology, School of Medicine, University of Occupational and Environmental Health
  • RIKIHISA Wataru
    Department of Dermatology, School of Medicine, University of Occupational and Environmental Health
  • YASUDA Hiroshi
    Department of Dermatology, School of Medicine, University of Occupational and Environmental Health
  • YAMAMOTO Osamu
    Department of Dermatology, School of Medicine, University of Occupational and Environmental Health
  • ASAHI Masakazu
    Department of Dermatology, School of Medicine, University of Occupational and Environmental Health

Bibliographic Information

Other Title
  • 慢性タール(ピッチ)皮膚症より発生した有棘細胞癌の1例
  • マンセイ タール ピッチ ヒフショウ ヨリ ハッセイ シタ ユウキョクサイボウガン ノ 1レイ

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Description

A 79-year-old Japanese man visited our clinic for evaluation of a large tumor on the left wrist and multiple keratotic tumors. He had handled creosote oil, which is a purified product of coal tar production, for 50 years. Physical examinations revealed poikiloderma with multiple hyperkeratotic tumors on the back of his hand and forearm bilaterally, and a cauliflower-like tumor, 80×60×15 mm in size, on the left wrist. Histopathologically, the large tumor showed a proliferation of atypical squamoid cells with many keratinization foci, indicating well-differentiated squamous cell carcinoma.

Journal

  • Journal of UOEH

    Journal of UOEH 22 (2), 183-187, 2000

    The University of Occupational and Environmental Health, Japan

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