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Primary Psoas Muscle Abscess After an Uncomplicated Spontaneous Vaginal Delivery

BACKGROUND: The occurrence of a psoas abscess after a spontaneous vaginal delivery is a rare postpartum complication with a significant mortality risk. CASE: A 17-year-old primiparous patient presented 3 weeks after an uncomplicated spontaneous vaginal delivery with fever refractory to antibiotics. Imaging revealed the patient to have a 4×4-cm abscess of the right iliopsoas muscle. The patient underwent drainage of the abscess along with the administration of intravenous antibiotics. CONCLUSION: Prompt recognition of and subsequent effective treatment for a psoas abscess are crucial to avoid potential long-term morbidity and even mortality.