Pediatr Infect Vaccine.  2020 Aug;27(2):134-139. 10.14776/piv.2020.27.e16.

Disseminated Septic Lesions Caused by Staphylococcus epidermidis Mimicking Cysticercosis Detected on Ultrasonography in a Pediatric Patient with Acute Myeloid Leukemia

Affiliations
  • 1Department of Pediatrics, Cheju Halla General Hospital, Jeju, the Republic of Korea
  • 2Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, the Republic of Korea

Abstract

Staphylococcus epidermidis is a part of the normal skin flora of humans. However, it can cause serious infections in people exposed to foreign bodies or in immunocompromised patients. A 13-year-old boy was hospitalized with fever and myalgia. Painful nodular lesions were detected on the scalp, arms, and legs. Pancytopenia and blasts were present in the peripheral blood. He was diagnosed with acute myeloid leukemia. Magnetic resonance imaging of the whole body showed multiple peripheral rim-enhancing, cyst-like lesions. Ultrasonography showed echogenic nodules inside the cystic lesions in the intramuscular space of the arms and legs. Therefore, cysticercosis was strongly suggested initially. However, an abscess was confirmed on sono-guided biopsy and S. epidermidis was isolated from a microbial culture of the tissue. We report a case of multiple disseminated lesions caused by S. epidermidis in a leukemia patient, initially mistaken for cysticercosis.

Keyword

Leukemia; Myeloid; Acute; Staphylococcus epidermidis; Cysticercosis
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