Das Kniegelenk

Baumgartl, Franz

doi:10.1007/978-3-642-92877-2

Cited by 25 publications

(14 citation statements)

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“…Patella were classified according to Baumgartl'sclassification [7] : Type I patella: medial and lateral facets, both are concave with equal length (see Figure 2) Type II patella: lateral facet is more prominent compared to the medial facet; medial facet is plane or concave (see Figure 3)…”

Section: Figure 1 Age Distribution Of the Patientsmentioning

confidence: 99%

The evaluation of the association between patella types and chondromalacia patella by magnetic resonance imaging

Hayirlioglu

Doganay

Yilmabaşar

et al. 2015

IJDI

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302 non-traumatic patients, who had an MRI scan of the knee with the suspicion of any diagnosis were evaluated in terms of patella types and their relationship to chondromalacia patella. Outerbridge MRI grading system was used in the evaluation of patellar chondromalacia. Type II patella is the most common type. The distribution of patella type was not statistically significantly different between the two genders (p > 0.05). Patella types have no specific distribution. Chondromalacia in varying degrees was seen in 14 patients among 41 with Type I patella (34%), while this rate was 81 out of 207 (39%) in patients with Type II patella, and 34 out of 53 (64%) in patients with Type III patella. One patient with Type IV patella did not have chondromalacia patella. When all patellar types were included, the rate of chondromalacia in females and males was 50% and 34%, respectively. Chondromalacia was 42.7% in our study. Grade I chondromalacia was observed in 22 knees (12%), Grade II chondromalacia was seen in 32 knees (23%), Grade III chondromalacia was seen in 28 knees (21%), and Grade IV chondromalacia was seen in 49 knees (37%). The frequency of high grade (Grade III and Grade IV) chondromalacia was seen in 59% of cases, while this rate was reported up to 41% in other studies. In our study, the association between Type III patella and chondromalacia was found to be statistically significant.

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Section: Figure 1 Age Distribution Of the Patientsmentioning

confidence: 99%

The evaluation of the association between patella types and chondromalacia patella by magnetic resonance imaging

Hayirlioglu

Doganay

Yilmabaşar

et al. 2015

IJDI

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“…As the majority of the studies on the morphology of the patella and femoral trochlea concerning congruity of the patello-femoral articulation were done by means of radiological measurement (Wiberg, 1941 ;Hennsge, 1962;Baumgartle, 1964;Brattstrom, 1964;Merchant ef al., 1964;Ficat and Hungerford, 1977;Hasegawa, 1978;10 Laurin et al, 1978;Laurin et al, 1979;Delgado-Martins, 1979), it was only discussed on one level of the articulation. Moreover, there are considerable differences between the subchondral bone and the cartilagenous surface.…”

Section: Commentsmentioning

confidence: 99%

Biomechanics of the Patello-Femoral Joint. Part I: A Study of the Contact and the Congruity of the Patello-Femoral Compartment and Movement of the Patella

Fujikawa

Seedhom

Wright

1983

Engineering in Medicine

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“…The medial and lateral patellar facets can vary in both shape and size, leading Wiberg to introduce a morphological classification system based on the radiographic Merchant's or skyline view, later modified by Baumgartl and by Ficat. [34][35][36] Although some variations in patellar morphology like the dorsal defect of the patella are commonly incidental and asymptomatic, 37 others, like the bipartite patella, can be symptomatic or have implications for function and stability. A longer lateral patellar facet, for example, can predispose patients to patellar instability.…”

Section: Developmental Variants and Congenital Malformations Of The Pmentioning

confidence: 99%

The Pediatric Patella: Normal Development, Anatomical Variants and Malformations, Stability, Imaging, and Injury Patterns

Maloney

Stanescu

Ngo

et al. 2018

Semin Musculoskelet Radiol

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We discuss the pediatric patella, with an emphasis on diagnostic imaging. Topics include normal patellar development, anatomical variants and their physiologic significance, genetic syndromes that alter the appearance of the patella, physiology of patellar tracking and stability, patellofemoral instability, and injury patterns and classification. Recognition of appropriate development on imaging prevents diagnostic error and unnecessary evaluation. Knowledge of the pertinent features of syndromes associated with morphological patellar abnormalities can aid in generating a succinct and relevant differential diagnosis. In patellofemoral instability, the patient's baseline anatomy, factors that predispose to instability, and the specific injuries that occur as a result are critical considerations for determining the course of treatment. Patellar sleeve fractures are unique to pediatric patients, and timely identification is critical to achieving an optimal treatment outcome.

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Das Kniegelenk

Cited by 25 publications

References 0 publications

The evaluation of the association between patella types and chondromalacia patella by magnetic resonance imaging

The evaluation of the association between patella types and chondromalacia patella by magnetic resonance imaging

Biomechanics of the Patello-Femoral Joint. Part I: A Study of the Contact and the Congruity of the Patello-Femoral Compartment and Movement of the Patella

The Pediatric Patella: Normal Development, Anatomical Variants and Malformations, Stability, Imaging, and Injury Patterns

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