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CASE REPORT
Acute splenic infarction presenting as an unusual manifestation of essential thrombocythaemia with normal platelet count
  1. Katsuyuki Yoshida,
  2. Ibuki Kurihara,
  3. Takahiko Fukuchi and
  4. Hitoshi Sugawara
  1. Division of General Medicine, Department of Comprehensive Medicine 1, Jichi Ika Daigaku Fuzoku Saitama Iryo Center, Saitama, Japan
  1. Correspondence to Dr Katsuyuki Yoshida, k.yoshida{at}jichi.ac.jp

Abstract

Essential thrombocythaemia (ET) is characterised by elevated platelet count by a clonal stem cell disorder of megakaryocytes. Although thrombosis is a common complication of ET, splenic infarction (SI) is extremely rare. Here, we present the case of a 31-year-old Japanese man who presented with sudden-onset severe pain at the left hypochondrium on the day before admission. Enhanced abdominal CT revealed SI. The laboratory test results revealed a normal platelet count (439×109/L). Subsequently, the patient was diagnosed with ET because the platelet count gradually increased to 50.0×104/μL, and JAK2 V617F mutation was identified. Accordingly, low-dose aspirin was initiated, and no thrombotic episode occurred. Nevertheless, 6 months postdischarge, the platelet count gradually increased to >650 × 109/L, and anagrelide was initiated. This case demonstrates an unusual complication of acute SI due to ET under the rare situation of the normal platelet count.

  • haematology (incl blood transfusion)
  • general practice / family medicine
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Footnotes

  • Contributors KY: patient care and management and drafting the article. IK and TF: patient care and management and editing the article. HS: critical revision and editing the article.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.

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