A valve. An explanation of the formation of popliteal cysts.

Taylor, Amy; Rana, Nipun

doi:10.1136/ard.32.5.419

Cited by 21 publications

(8 citation statements)

References 4 publications

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“…Especiallyon the cryosections of knees that had been frozen during extension, this mechanism invariably caused a hermetic closure of the communication. The thin capsular rim admittedly resembles the cusp of a heart valve ( Figures 8 and 9), but this does not imply a unidirectional valve mechanism in all communicating bursae (Taylor & Rana 1973). As the synovial fluid is emptied from the anterior to the posterior portions of the bursa (cyst) on extension of the knee, this obviously distends its wall and this would explain why patients with popliteal cysts experience most discomfort when the knee is extended.…”

Section: Discussionmentioning

confidence: 99%

Popliteal Cysts and Their Relation to the Gastrocnemio-Semimembranosus Bursa: Studies on the Surgical and Functional Anatomy

Rauschning

1979

Acta Orthopaedica Scandinavica

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Section: Discussionmentioning

confidence: 99%

Popliteal Cysts and Their Relation to the Gastrocnemio-Semimembranosus Bursa: Studies on the Surgical and Functional Anatomy

Rauschning

1979

Acta Orthopaedica Scandinavica

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“…In both our cases a cystic lesion was strongly suggested at CT and ultrasonography, and subsequently confirmed by conventional radiography with contrast injected into the cyst and/or the hip joint. A oneway communication was suggested in one case but no valve mechanism was verified a t surgery, as has been proposed for popliteal cysts of the knee (Taylor & Rana 1973). Fine needle biopsy as well as bacterial cultures may be inconclusive.…”

Section: Lleopectineal Bursitis 65mentioning

confidence: 93%

Ileopectineal bursitis following total hip replacement

Kolmert

Persson

Herrlin

et al. 1984

Acta Orthopaedica Scandinavica

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“…Following this study, Baker’s name became associated with the clinical entity of a popliteal cyst [ 4 , 6 , 7 ]. Taylor and Rana also identified a communication between the medial gastrocnemius bursa and the intra-articular joint space of the knee in their 1973 postmortem dissections of 50 knees [ 8 ]. The study by Rauschning and Lindgren provided a detailed description of the association between this valve mechanism and flexion and extension movements of the knee [ 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Treatment of baker cyst, by using open posterior cystectomy and supine arthroscopy on recalcitrant cases (103 knees)

Saylık¹,

Gokkus

2016

BMC Musculoskelet Disord

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BackgroundAssociated joint disorders with popliteal cysts were stated approximately between the ranges of 41–83 % in all reported cases. Combined treatment strategies that eliminate intra-articular pathologies and cyst- associated valve mechanisms are thought to be a good option in treatment of the disease. In this study, our main objective is to present clinical results of our combined treatment results, which includes posterior cyst excision with supine arthroscopic intervention, targeting intra-articular pathologies on recalcitrant cases.MethodsOne hundred three knees of 100 patients treated with posterior open cystectomy with valve and repair of posterior capsule, in addition to arthroscopic treatment of intra-articular lesions, were included in the study. Preoperative magnetic resonance imaging (MRI) studies were performed in order to evaluate location of Baker cysts behind the knee. Rauschning-Lindgren and Lysholm Knee Scoring Scales were used to assess pre/post-operative knee functions.Mann-Whitney U test was used to evaluate the differences between genders in comparison of Lysholm and Lindgren scores. Mean age within gender groups was compared using independent samples t-test. Wilcoxon test was used to compare the change in Lysholm and Lindgren scores. A p-value of less than 0.05 was considered to show a statistically significant result.Over the 1-year follow-up period, US and MR imaging was performed only with symptomatic patients.ResultsCyst recurrence was seen only in 2 (1.94 %) patients. Post-operative Lysholm Knee and Lindgren knee scores demonstrated improvement in knee function and general comfort level of the patients.ConclusionsOur midterm follow-up (Mean: 39 Months) results showed that open cyst excision with valve and capsule repair with knee arthroscopy that targets associated intra-articular pathologies reduced the pain and improved the knee function in those patients.Level of evidenceIV (Retrospective clinical study without comparison group).

show abstract

A valve. An explanation of the formation of popliteal cysts.

Cited by 21 publications

References 4 publications

Popliteal Cysts and Their Relation to the Gastrocnemio-Semimembranosus Bursa: Studies on the Surgical and Functional Anatomy

Popliteal Cysts and Their Relation to the Gastrocnemio-Semimembranosus Bursa: Studies on the Surgical and Functional Anatomy

Ileopectineal bursitis following total hip replacement

Treatment of baker cyst, by using open posterior cystectomy and supine arthroscopy on recalcitrant cases (103 knees)

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