Function of the Infrapatellar Fat Pad and Advanced Hoffa's Disease With Ossification

Karkucak, Murat; Çapkın, Erhan; Can, Ipek; Önder, Avni Mustafa; Küpeli, Ali

doi:10.5606/archrheumatol.2014.3499

Cited by 2 publications

(5 citation statements)

References 9 publications

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“…The mechanism of injury in Hoffa's disease is likely secondary to inflammation of the fat pad resulting from acute trauma 17,18 or repetitive microtrauma. 12,19,20 The microtrauma is thought to occur as a result of hyperextension or rotational strain, 1,20-24 functional stresses that are quite common in dance.…”

Section: Pathophysiologymentioning

confidence: 99%

“…1,11,12,23,28 Patients may develop hemosiderin deposits, 1,11,23 calcification, and ossification. 1,12,17,23,29 Paraarticular chondromas have been postulated to represent the end stage of Hoffa's disease. 17,18,[29][30][31] Subsequent knee pathology, such as meniscal tears and articular cartilage changes, may also occur as a result of alterations in knee biomechanics.…”

Section: Pathophysiologymentioning

confidence: 99%

“…1,12,17,23,29 Paraarticular chondromas have been postulated to represent the end stage of Hoffa's disease. 17,18,[29][30][31] Subsequent knee pathology, such as meniscal tears and articular cartilage changes, may also occur as a result of alterations in knee biomechanics. 1,32 Epidemiology Exact incidence of Hoffa's disease is uncertain in the general population.…”

Section: Pathophysiologymentioning

confidence: 99%

“…12 Pain may also be elicited within the last few degrees of extension without medial pressure. 1,17 In dance, given dancers' propensity for hypermobility, impingement may occur during forced external rotation at the knee, insufficient knee control due to weak pelvic stabilizers, and hyperextension.…”

Section: Presentationmentioning

confidence: 99%

“…16,19 In the end stages of the disease, ossification can occur, 10,19 and x-ray may be helpful for better visualization of ossified lesions. 17,23 On ultrasonography, hypoechogenicity and neovascularity may be seen. 34…”

Section: B Amentioning

confidence: 99%

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Hoffa's Disease in a Modern Dancer Case Report and Literature Review

Wang

Costin

2018

j dance med sci

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We present the case of a modern dancer at the university level with left knee pain as a result of Hoffa's disease. A comprehensive literature review of Hoffa's disease indicates that it may be an under-recognized condition. Predisposing factors in dance training include torsion and hyperextension at the knee, particularly in conjunction with pelvic instability and weakness. Clinicians should be cognizant of this differential diagnosis when evaluating dancers with knee pain. We present a detailed progressive rehabilitation protocol including transitional interventions for Hoffa's disease in the dancer.

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Section: Pathophysiologymentioning

confidence: 99%

Section: Pathophysiologymentioning

confidence: 99%

Section: Pathophysiologymentioning

confidence: 99%

Section: Presentationmentioning

confidence: 99%

Section: B Amentioning

confidence: 99%

See 3 more Smart Citations

Hoffa's Disease in a Modern Dancer Case Report and Literature Review

Wang

Costin

2018

j dance med sci

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Sonographic characterization of Hoffa’s fat pad. A pilot study

et al. 2017

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This study addresses a topic that was previously unaddressed in the literature: the normal sonographic appearance of the Hoffa's fat pad (HFP) in young, asymptomatic subjects. The aim of the study is to describe the sonoanatomical features of HFP, including its echostructure, echogenicity, elasticity, and vascularization, in subjects without knee pathology. Knees of healthy subjects were examined with grayscale ultrasound (US) to determine the sonographic characteristics of the HFP. Echogenicity was assessed by pixel intensity quantification. Vascularity was evaluated by color Doppler (CD) US. Elasticity of the adipose tissue was examined by sonoelastography. The absence of HFP pathology was confirmed clinically in all participants and by magnetic resonance imaging in randomly selected participants. Seventy-two knees from 36 subjects were assessed. The HFP presented a characteristic well-defined two-layered echostructure: the superficial adipose tissue was hypoechoic with respect to the nearby patellar tendon and contained septae, whereas the deeper layer was homogeneously hypoechoic and lacked connective tissue septae. Echogenicity differed between the superficial and deeper layers (the deeper layer was brighter), suggesting that the degree of acoustic impedance differed between layers. CD detected blood flow in 55.5% of HFPs. The superficial HFP layer presented greater elasticity than the deeper HFP layer (88.8 vs. 75.3 Kpa; p < .001). Our study provides a comprehensive description of the normal sonographic features of the HFP, which is useful to increase the potential of US for the discrimination of pathological findings involving this anatomical area.

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Function of the Infrapatellar Fat Pad and Advanced Hoffa's Disease With Ossification

Cited by 2 publications

References 9 publications

Hoffa's Disease in a Modern Dancer Case Report and Literature Review

Hoffa's Disease in a Modern Dancer Case Report and Literature Review

Sonographic characterization of Hoffa’s fat pad. A pilot study

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