"Fat Brook" in the Popliteal Fossa: Cadaveric and Clinical Investigation With Magnetic Resonance Imaging
- Authors
- Song, Yoonah; Lee, Seung hun; Paik, Doo-Jin; Bae, Jiyoon
- Issue Date
- May-2017
- Publisher
- LIPPINCOTT WILLIAMS & WILKINS
- Keywords
- magnetic resonance imaging; connective tissue; fascia; popliteal fossa; fat fracture
- Citation
- JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, v.41, no.3, pp.494 - 498
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY
- Volume
- 41
- Number
- 3
- Start Page
- 494
- End Page
- 498
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/152435
- DOI
- 10.1097/RCT.0000000000000549
- ISSN
- 0363-8715
- Abstract
- Objective: This study aimed to describe the "fat brook" (FB) in the popliteal fossa of a cadaver and to evaluate its clinical significance.
Methods: Ten fresh cadaveric knees underwent magnetic resonance imaging and histologic analyses. In addition, magnetic resonance imaging images from 321 patients (108 men, 213 women; mean age, 49.8 years; age range, 5-92 years) were retrospectively reviewed. Two radiologists independently determined the presence/absence of the FB and internal derangement of the knee.
Results: The FB was present in all cadaveric specimens without synovial lining or joint communication. In the clinical study, the prevalence of FB was 97.8% (314/321). The FB was associated with effusion (P = 0.001) and tear of the medial meniscus (P = 0.022). There was no significant association between prevalence of FB and age or other structures. Determining FB and internal derangement of the knee had excellent interobserver agreement (concordance correlation coefficient = 0.966, 0.834-1.000).
Conclusions: The FB might be a part of the superficial layer of superficial fascia and not be mistaken for a fat fracture or Morel-Lavallee lesion.
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