A Case of Digital Ulcers Associated with Essential Thrombocythemia

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  • HIGUCHI Mutsumi
    Department of Dermatology, Graduate School of Medical Sciences, Kyushu University
  • YASUKAWA Fumiko
    Department of Dermatology, Graduate School of Medical Sciences, Kyushu University
  • NAKAHARA Takeshi
    Department of Dermatology, Graduate School of Medical Sciences, Kyushu University
  • TAKAHARA Masakazu
    Department of Dermatology, Graduate School of Medical Sciences, Kyushu University
  • MOROI Yoichi
    Department of Dermatology, Graduate School of Medical Sciences, Kyushu University
  • ODASHIRO Keita
    Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University
  • TAKENAKA KatsutoA
    Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University
  • FURUE Masutaka
    Department of Dermatology, Graduate School of Medical Sciences, Kyushu University

Bibliographic Information

Other Title
  • 足趾潰瘍を契機に本態性血小板血症と診断された 1 例
  • 症例 足趾潰瘍を契機に本態性血小板血症と診断された1例
  • ショウレイ ソクシカイヨウ オ ケイキ ニ ホンタイセイ ケッショウバン ケツショウ ト シンダン サレタ 1レイ

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Description

A 56-year-old man had felt pain and numbness of the left foot for 6 months before visiting our hospital. A physical examination revealed livedoid lesions on his lower legs and feet, and cyanosis with ulcerations on his left toes. A histopathological examination showed vascular extension and hyperplasia in the upper dermis, and hypertrophy of the vascular wall in the middle dermis. Routine blood analysis showed a marked increase of platelet counts. The ensuing investigation was concluded with a diagnosis of essential thrombocythemia. A treatment using hydroxyurea led to improvement of the digital ulcers along with a decrease of platelet counts. We should note that livedo or cyanosis with ulcerations of the feet may be caused by essential thrombocythemia.

Journal

  • Nishi Nihon Hifuka

    Nishi Nihon Hifuka 76 (1), 7-9, 2014

    Western Division of Japanese Dermatological Association

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