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Anatomical study of the "trochanteric bursa"
Tirith Dunn1, C Ann Heller, Stanley W McCarthy
1Department of Anatomy and Histology, Institute for Biomedical Research, University of Sydney, Australia.
Clinical Anatomy (New York, N.Y.)
|April 4, 2003
Summary
The trochanteric subgluteus maximus bursa is a common finding in older adults, with variations in number and structure. These bursae may develop due to friction between the greater trochanter and surrounding muscles.
Area of Science:
- Anatomy
- Histology
- Gerontology
Background:
- Ambiguity exists in anatomical literature regarding the
- trochanteric bursa
- or trochanteric subgluteus maximus bursa.
- Understanding the precise anatomy of hip bursae is crucial for diagnosing and treating related pathologies.
Purpose of the Study:
- To clarify the anatomical characteristics of the trochanteric subgluteus maximus bursa.
- To determine the prevalence, structure, and anatomical relationships of this bursa in an elderly population.
Main Methods:
- Anatomical dissection of 16 embalmed hip specimens from individuals aged 63-91 years.
- Histological examination of bursal walls to assess synovial lining presence and development.
- Identification and documentation of bursae number, position, and relation to surrounding musculature and bone.
Main Results:
- Subgluteus maximus bursae were present in 13 out of 16 hips examined.
- Variations observed include the presence of a deep bursa (superficial to muscle attachment) and a superficial bursa (associated with gluteus maximus reflection).
- Histological analysis confirmed synovial lining in seven of eight examined bursae, with nerve supply noted in some instances.
Conclusions:
- Trochanteric subgluteus maximus bursae are a frequent anatomical finding in older individuals.
- Significant variability in bursae number, location, and histological features exists.
- The study hypothesizes that these bursae are acquired structures, potentially resulting from repetitive friction during hip movement.