An Unusual Presentation of a Left Extra-acetabular Trochanteric Bursa Abscess

Trochanteric bursitis is a common cause of lateral hip pain, particularly among elderly and postmenopausal females, but abscess formation within the trochanteric bursa is exceedingly rare. We report an unusual extra-acetabular trochanteric abscess identified during cadaveric dissection of an elderly female, characterized by irregular fibrotic and proteinaceous tissue with multiple inclusion bodies but no evidence of malignancy or granulomatous inflammation. Although limited by an absent clinical history, the gross and histopathologic findings suggest a chronic inflammatory or degenerative process consistent with synovial osteochondromatosis of the trochanteric bursa.

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Publication Details

Journal
Cureus
Published
2026-02-16
DOI
https://doi.org/10.7759/cureus.103733
Primary Topic
Musculoskeletal synovial abnormalities and treatments
Type
article
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0.00
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article

An Unusual Presentation of a Left Extra-acetabular Trochanteric Bursa Abscess

Mackenzie Ewart, Fatima Khan, S F Mohammad, Barbara Karnkowska et al.
Cureus
Musculoskeletal synovial abnormalities and treatments
article

An Unusual Presentation of a Left Extra-acetabular Trochanteric Bursa Abscess

Mackenzie Ewart, Fatima Khan, S F Mohammad, Barbara Karnkowska, Daniel Erickson, Brett Platis, Cara L Fisher, Ivan Marrufo, Jake Powell, Justinne Certeza
article en

Abstract

Trochanteric bursitis is a common cause of lateral hip pain, particularly among elderly and postmenopausal females, but abscess formation within the trochanteric bursa is exceedingly rare. We report an unusual extra-acetabular trochanteric abscess identified during cadaveric dissection of an elderly female, characterized by irregular fibrotic and proteinaceous tissue with multiple inclusion bodies but no evidence of malignancy or granulomatous inflammation. Although limited by an absent clinical history, the gross and histopathologic findings suggest a chronic inflammatory or degenerative process consistent with synovial osteochondromatosis of the trochanteric bursa.

CureusVol. 18(2)
Creighton University (US), University of North Texas (US), Geisinger Medical Center (US), University of North Texas Health Science Center (US), John Peter Smith Hospital (US), Los Angeles Medical Center (US), Texas Health Harris Methodist Hospital Fort Worth (US), Methodist Children’s Hospital (US), University of Pittsburgh Medical Center (US), The University of Texas Medical Branch at Galveston (US), The University of Texas Southwestern Medical Center (US)
Openalex Percentile: Top 56%
Musculoskeletal synovial abnormalities and treatments
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An Unusual Presentation of a Left Extra-acetabular Trochanteric Bursa Abscess — Mackenzie Ewart, Fatima Khan, et al. · Cureus (2026) | TGRS Research Map | TGRS