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Related Concept Videos

Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

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Brain Abscess l: Introduction01:26

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Appendicitis01:19

Appendicitis

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Updated: May 15, 2026

Posterior Approach for Debridement of the Psoas Abscess
06:02

Posterior Approach for Debridement of the Psoas Abscess

Published on: March 2, 2020

Iliopsoas abscess masquerading as 'sciatica'.

D W Shields1, Patrick G Robinson

  • 1Department of Trauma and Orthopaedics, Royal Victoria Infirmary, Newcastle-Upon-Tyne, Tyne and Wear, UK. dwshields@gmail.com

BMJ Case Reports
|December 25, 2012
PubMed
Summary
This summary is machine-generated.

Tuberculosis can cause iliopsoas abscesses, mimicking sciatica and leading to delayed diagnosis. Early exclusion of serious underlying causes is crucial for patients with sciatic pain distribution.

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Last Updated: May 15, 2026

Posterior Approach for Debridement of the Psoas Abscess
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Surgical Approach and Complications of Stand-alone Lateral Trans-Psoas Interbody Fusion
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Surgical Approach and Complications of Stand-alone Lateral Trans-Psoas Interbody Fusion

Published on: February 14, 2025

Area of Science:

  • Medical diagnostics
  • Infectious diseases
  • Orthopedics

Background:

  • Sciatica is commonly diagnosed based on sciatic nerve distribution pain.
  • Iliopsoas abscesses are rare but serious conditions that can present with back pain.

Observation:

  • A 35-year-old woman presented with persistent lower back pain radiating down her leg.
  • Physical examination revealed tenderness at the sacroiliac joint and a positive psoas sign.
  • MRI demonstrated a large iliopsoas abscess with associated bony destruction.

Findings:

  • Cultures confirmed Mycobacterium tuberculosis as the causative agent of the iliopsoas abscess.
  • The patient's symptoms were initially misdiagnosed as sciatica.
  • The iliopsoas abscess was the underlying cause of the patient's sciatic pain.

Implications:

  • Primary care physicians must consider iliopsoas abscesses in patients with unexplained sciatic pain.
  • Prompt diagnosis and treatment of iliopsoas abscesses are essential to prevent complications.
  • Awareness of the iliopsoas muscle's anatomical relations is vital for accurate diagnosis.