Diagnosis of popliteal cyst: double-contrast arthrography and sonography

Hermann, Gregory M.; Yeh, HC; Lehr-Janus, C; Berson, BL

doi:10.2214/ajr.137.2.369

Cited by 31 publications

(10 citation statements)

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“…Various diagnostic imaging techniques such as arthrography, computed tomography and ultrasonography [7,8,13,17,20] have been used to investigate popliteal swellings, but none are comparable with MRI in accuracy, sensitivity and specificity in the diagnosis of internal derangements of the knee [1,3]. This justified our retrospective study of a large series of MRI examinations to seek: a correlation between popliteal cysts and intra-articular disorders.…”

Section: Discussionmentioning

confidence: 99%

“…We believe that the physiology of the joint may be changed by injecting a substance which distends its cavity by producing a rise in intra-articular pressure. A semimembranosus bursa is often connected with the joint [9] and the injected fluid may distend the bursa artificially, so that some popliteal cysts detected by arthrography may represent an abnormal distension of the bursa [4,7]. Furthermore, the size of cysts detected by arthrography is overestimated by 3 to 4 mm when these images are compared to ultrasound scans [13].…”

Section: Discussionmentioning

confidence: 99%

“…Swellings in the popliteal fossa are usually cystic, when rare conditions such as aneurysms, haematoma, deep vein thrombosis, abscesses and tumours are excluded [7,8,19]. The incidence of popliteal cysts increases with age.…”

Section: Introductionmentioning

confidence: 99%

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Popliteal cysts and associated disorders of the knee

Sansone

Ponti

Paluello

et al. 1995

International Orthopaedics

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We have studied retrospectively the epidemiological features of popliteal cysts in adults and the incidence of associated intra-articular disorders in a series of 1001 patients undergoing magnetic resonance imaging who had been randomly referred to our institution. Images of popliteal cysts were seen in 4.7% of this group which is lower than in other studies with different imaging techniques. A communication with the joint was invariably found. The cysts were associated with one, or more, disorders detected by MRI in 94%. The commonest lesions were meniscal (83%), frequently involving the posterior horn of the medial meniscus, chondral (43%), and anterior cruciate ligament tears. Our data suggest that intra-articular disorders may play an important role in the pathogenesis of popliteal cysts in adults.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Popliteal cysts and associated disorders of the knee

Sansone

Ponti

Paluello

et al. 1995

International Orthopaedics

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“…Popliteal cysts are generally asymptomatic and require no treatment. They must, however, be distinguished from similar lesions that may require intervention including aneurysm, deep vein thrombosis, hematoma, lipoma, abscess, and tumor [3][4][5][10][11][12]. Associated knee pathology should also be identified especially when surgery is planned.…”

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confidence: 99%

Popliteal cysts: a reassessment using magnetic resonance imaging

1991

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The advent of magnetic resonance imaging (MRI) prompted the reevaluation of the incidence of popliteal cyst and its associated injuries. We reviewed more than 1000 consecutive MRI examinations of the knee performed on patients referred for evaluation of internal derangement. We report a 5% incidence of popliteal cyst, which is lower than has previously been determined. We believe that the reported higher incidence was due to arthrographic distention of normal, collapsed bursae. The strong association between popliteal cyst and tear of the medial meniscus is confirmed. We report for the first time to our knowledge the 13% association between popliteal cyst and complete tear of the anterior cruciate ligament.

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“…1 Popliteal cysts are the most common lesions and are characteristically located at the posteromedial aspect of the knee joint adjacent to the intersection of the medial head of the gastrocnemius muscle and at the distal insertion of the semimembranosus muscle. 2 Popliteal cyst probably results from extrusion of joint fluid into the gastrocnemiosemimembranosus bursa through a weak portion of the posteromedial joint capsule of the knee.…”

Section: Discussionmentioning

confidence: 99%