Korean J Radiol.  2004 Dec;5(4):280-286. 10.3348/kjr.2004.5.4.280.

Non-Infectious Ischiogluteal Bursitis: MRI Findings

• Cho KH
• Lee SM
• Lee YH
• Suh KJ
• Kim SM
• Shin MJ
• Jang HW

• KMID: 1118836
• DOI: http://doi.org/10.3348/kjr.2004.5.4.280

Abstract

OBJECTIVE
We wished to report on the MRI findings of non-infectious ischiogluteal bursitis. MATER AND METHODS: The MRI findings of 17 confirmed cases of non-infectious ischiogluteal bursitis were analyzed: four out of the 17 cases were confirmed with surgery, and the remaining 13 cases were confirmed with MRI plus the clinical data. RESULTS: The enlarged bursae were located deep to the gluteus muscles and postero-inferior to the ischial tuberosity. The superior ends of the bursal sacs abutted to the infero-medial aspect of the ischial tuberosity. The signal intensity within the enlarged bursa on T1-weighted image (WI) was hypo-intense in three cases (3/17, 17.6%), iso-intense in 10 cases (10/17, 58.9%), and hyper-intense in four cases (4/17, 23.5%) in comparison to that of surrounding muscles. The bursal sac appeared homogeneous in 13 patients (13/17, 76.5%) and heterogeneous in the remaining four patients (4/17, 23.5%) on T1-WI. On T2-WI, the bursa was hyper-intense in all cases (17/17, 100%) ; it was heterogeneous in 10 cases and homogeneous in seven cases. The heterogeneity was variable depending on the degree of the blood-fluid levels and the septae within the bursae. With contrast enhancement, the inner wall of the bursae was smooth (5/17 cases), and irregular (12/17 cases) because of the synovial proliferation and septation. CONCLUSION: Ischiogluteal bursitis can be diagnosed with MRI by its characteristic location and cystic appearance.

Keyword

Bursa, Bursitis; Hip; Inflammatoin; Magnet resonance (MR); Soft tissues

MeSH Terms

Aged
Aged, 80 and over
Bursitis/*diagnosis/pathology
Buttocks
Female
Follow-Up Studies
Humans
Ischium
*Magnetic Resonance Imaging
Male
Middle Aged

Figure

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  Fig. 1 Ischiogluteal bursitis in 68-year-old woman.

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  Fig. 2 Ischiogluteal bursitis in 71-year-old man.

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  Fig. 3 Ischiogluteal bursitis that is ruptured and caused adjacent soft tissue inflammation in a 72-year-old-woman.

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