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Background Hereditary spherocytosis (HS) complicated by splenic infarction is very rare, and it is even rarer to develop splenic infarction after infectious mononucleosis (IM) as a result of Epstein–Barr virus (EBV) infection. Therefore, misdiagnosis or missed diagnosis is prone to occur. Case presentation A 19-year-old Chinese female previously diagnosed with HS was admitted to our institution with persistent high fever and icterus. On admission, the physical examination showed anemia, jaundice, marked splenomegaly, obvious tenderness in the left upper abdomen (LUA). Peripheral blood film shows that spherical red blood cells accounted for about 6%, and Immunoglobulin M (IgM) antibodies specific to Epstein–Barr virus (EBV) viral capsid antigen were detected. An abdominal CT scan revealed a splenic infarction. The patient was diagnosed with HS with splenic infarction following EBV infection and underwent an emergency laparoscopic splenectomy (LS). Pathological analysis showed a splenic infarction with red pulp expansion, white pulp atrophy and a splenic sinus filled with red blood cells. After two months of follow-up visits, the patient showed no signs of relapse. Conclusions HS complicated by splenic infarction is very rare and mostly occurs in men under 20 years of age and is often accompanied by other diseases, such as sickle cell traits (SCT) or IM. Although symptomatic management may be sufficient, emergency laparoscopic splenectomy may be safe and effective when conservative treatment is ineffective.

Splenic infarction after Epstein–Barr virus infection in a patient with hereditary spherocytosis: a case report and literature review