J Korean Soc Spine Surg. 2015 Mar;22(1):31-35. Korean.
Published online Mar 31, 2015.
© Copyright 2015 Korean Society of Spine Surgery
Case Report

Psoas and Thigh Abscess Caused by Perforated Retrocecal Appendicitis: A Case Report

Dong-Soo Kim, M.D., Yong-Min Kim, M.D., Eui Sung Choi, M.D., Hyun-Chul Shon, M.D., Suri Chong, M.D., Seung-myung Choi, M.D. and Sang-Jun Park, M.D.
    • Department of Orthopaedic Surgery, College of Medicine, Chungbuk National University, Cheongju, Korea.
Received April 16, 2014; Revised July 14, 2014; Accepted November 28, 2014.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Study Design

A case report.

Summary of Literature Review

The symptoms of psoas abscess are fever, low back pain, and spasm of the psoas muscle.

Objectives

To report a case of psoas and thigh abscess caused by ruptured appendicitis.

Materials and Methods

A 53- year old male patient visited the complaining of fever, low back pain and thigh pain. Imaging studies revealed psoas abscess and thigh abscess, accompanied by ruptured appendicitis. Therefore, surgical treatment with percutaneous drainage was performed.

Results

The patient recovered and returned to his normal life after 2 months.

Conclusions

It is necessary to identify the cause of the infection using physical examination as well as abdominal and pelvis computed tomography when a patient has fever, psoas abscess and thigh abscess. It is also important to be aware that the cause of psoas abscess may also be gastrointestinal tract disease with non specific symptoms.

Keywords
Appendicitis; Perforation; Psoas abscess; Thigh abscess; Complication

Figures

Fig. 1
(A) Axial contrast-enhanced CT scan shows multiple septated abscess in the right psoas muscle larger than left sided, and appendicitis, with leakage between the appendix and retroperotoneal fluid collection.(white arrow) (B) Reconstructed coronal contrast-enhanced CT scan shows dissection of the abscesses in the right thigh via the femoral canal, and shows gas containing abscesses in the right thigh.(white arrow) and heterogenous hypodense lesion with enhanced peripheral rim around appendix (asetrisk).

Fig. 2
After extensive surgical debridement and hemicolectomy, a percutaneous drainage catheter (arrow) was introduced into the right psoas muscle, and the same procedure (arrow) was performed for the right thigh.

Fig. 3
(A) Three-month follow-up axial contrast-enhanced CT scan shows complete resolution (B) Reconstructed coronal contrast-enhanced CT scan also shows resolution. However irregular psoas muscle margine is noted (arrow).

References

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    1. Kim S, Lim HK, Lee JY, Lee J, Kim MJ, Lee AS. Ascending retrocecal appendicitis: clinical and computed tomographic findings. J Comput Assist Tomogr 2006;30:772–776.
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