To the Editor,Herein,we report a case of a 49-year-old Caucasian man with a medical history of gastroesophageal reflux disease,occasional premature ventricular contractions,and unvaccinated against severe acute respir...To the Editor,Herein,we report a case of a 49-year-old Caucasian man with a medical history of gastroesophageal reflux disease,occasional premature ventricular contractions,and unvaccinated against severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)who presented with myalgias,fevers,and right-sided neck swelling approximately 26 days after he had tested positive for SARS-CoV-2 and 21 days after receiving the casirivimab–imdevimab(REGEN-COV)infusion.His initial workup showed leukocytosis and thrombocytopenia(platelets:108×109/L,reference range[RR]:150−328×109/L).The SARS-CoV-2 rapid antigen-detection test was negative.The patient was started on intravenous antibiotics for presumed lymphadenitis;however,his fevers persisted,with subsequent development of worsening thrombocytopenia at 91×109/L and increasing C-reactive protein(CRP)and erythrocyte sedimentation rate(ESR),with peak values at 13.4mg/dL(RR:<0.8 mg/dL)and 35 mm/1 h(RR:0−10 mm/1 h),respectively.展开更多
文摘To the Editor,Herein,we report a case of a 49-year-old Caucasian man with a medical history of gastroesophageal reflux disease,occasional premature ventricular contractions,and unvaccinated against severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)who presented with myalgias,fevers,and right-sided neck swelling approximately 26 days after he had tested positive for SARS-CoV-2 and 21 days after receiving the casirivimab–imdevimab(REGEN-COV)infusion.His initial workup showed leukocytosis and thrombocytopenia(platelets:108×109/L,reference range[RR]:150−328×109/L).The SARS-CoV-2 rapid antigen-detection test was negative.The patient was started on intravenous antibiotics for presumed lymphadenitis;however,his fevers persisted,with subsequent development of worsening thrombocytopenia at 91×109/L and increasing C-reactive protein(CRP)and erythrocyte sedimentation rate(ESR),with peak values at 13.4mg/dL(RR:<0.8 mg/dL)and 35 mm/1 h(RR:0−10 mm/1 h),respectively.
