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Updated: Jun 10, 2026

Posterior Approach for Debridement of the Psoas Abscess
Published on: March 2, 2020
Primary psoas muscle abscess after an uncomplicated spontaneous vaginal delivery
Omar Maurice Young1, Erika Werner, Anna K Sfakianaki
1From the Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, Connecticut.
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 4x4-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.
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