We report the case of a 12 days old baby boy who presented with swelling and bluish discoloration on his left hip at Pakistan Institute of Medical Sciences in November 2018. Ultrasound (USS) was useful in making the diagnosis of a neonatal psoas abscess. He was treated with extraperitoneal drainage and with systemic antibiotics. The clinical presentation and diagnosis, treatment of this rare condition and brief literature review is given in this case report.
Key Words: Abscess, Iliopsoas, Neonate, Staphylococcus aureus, Extraperitoneal Drainage.