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Iranian Journal of Blood and Cancer، جلد ۱۷، شماره ۴، صفحات ۱۰-۱۳
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عنوان انگلیسی Extensive Splenic Infarction in a Pediatric Patient with Acute Promyelocytic Leukemia: A Case Report Highlighting Dual Hemostatic Dysregulation
چکیده انگلیسی مقاله
Background: Acute promyelocytic leukemia (APL) is characterized by a life-threatening coagulopathy, traditionally associated with hemorrhagic complications. However, thrombotic events, including arterial infarction, are increasingly recognized as significant contributors to morbidity during induction therapy.
Case Presentation: We report a 16-year-old male diagnosed with APL who developed extensive splenic infarction two weeks after initiation of all-trans retinoic acid (ATRA). He presented with persistent fever and left upper quadrant pain. Abdominal imaging revealed a large subcapsular splenic infarct without evidence of macrovascular thrombosis. Despite improving blood counts and resolution of initial cytopenias, systemic inflammation and coagulopathy persisted. ATRA was temporarily discontinued due to suspicion of differentiation syndrome, which may have delayed disease control. With resumption of ATRA and addition of arsenic trioxide (ATO), along with supportive care, the patient achieved complete hematologic remission with undetectable minimal residual disease (MRD) at day 50.
Conclusion: Thrombotic complications such as splenic infarction can occur in APL even during early treatment, emphasizing the dynamic and dual nature of hemostatic dysregulation. Clinicians should maintain a high index of suspicion for non-infectious causes of fever and abdominal pain in APL patients. Early recognition and uninterrupted targeted therapy are critical to resolving the underlying prothrombotic state and improving outcomes.
کلیدواژه‌های انگلیسی مقاله Acute promyelocytic leukemia, Coagulopathy, Thrombosis , Splenic infarction, Disseminated intravascular coagulation, All-trans retinoic acid
نویسندگان مقاله | pourya mashategan
Department of Pediatrics, School of Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran.


| hassan Abolghasemi
Department of Pediatrics, School of Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran.
نشانی اینترنتی http://ijbc.ir/browse.php?a_code=A-10-1239-3&slc_lang=en&sid=1
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زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Pediatric Hematology & Oncology
نوع مقاله منتشر شده گزارش مورد
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