Prognosis value of early diffusion MRI in Legg Perthes Calvé disease

Baunin, C.; Sanmartin-Viron, D.; Accadbled, F.; Sans, N.; Vial, J.; Labarre, David; Doménech, Carlos Sanchis; Gauzy, Jérôme Sales de

doi:10.1016/j.otsr.2013.12.025

Cited by 23 publications

(13 citation statements)

References 32 publications

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“…A low residual percentage and a low perfusion index correlated with a greater deformation of the femoral head at 2 years of mean recoil (25,26). An increase in Apparent Diffusion Coefficient (ADC) and Diffusion Weighted Imaging of the femoral metaphysis relative to the contralateral (healthy) hip appears to be related to a more severe Herring stage (27). On the other hand, there is no link between these parameters (ADC and DWI) and the Herring class.…”

Section: Mrimentioning

confidence: 99%

Legg-Calv�-Perthes disease: classifications and prognostic factors

Rampal

Clément

Solla

2017

ccmbm

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SummaryIntroduction. Legg-Calvé-Perthes Disease (LCPD) represents idiopathic avascular necrosis of femoral head in pediatric population. Indications for treatment depend mostly on prognosis about femoral head sphericity and hip congruence at the end of growth. The aim of this review is to highline prognostic factors of LCPD. Methods. Bibliographic search in PubMed allowed selection of 33 articles concerning prognostic factors and/or classification of LCPD. Conclusion. Clinical factors of poor prognosis are overweight, female sex, age exceeding 6 years old, and lack of hip abduction. Radiologically, Herring's classification is consensual because of its high prognostic value and very good reproducibility. The other signs of femoral head "at-risk" and the assessment of the reduction in abduction of the femoral head in the acetabulum are also prognostic of late evolution. MRI seems to be a future tool in assessing the fate of hips in LCPD. It is likely that a better understanding of LCPD etiology would precise the prognosis of this disease.

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Section: Mrimentioning

confidence: 99%

Legg-Calv�-Perthes disease: classifications and prognostic factors

Rampal

Clément

Solla

2017

ccmbm

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“…ADC ratio of the femoral metaphysis was positively correlated with the Herring classification. ADC ratio superior to 1.63 indicates bad prognosis with 89% sensitivity and 58% specificity [ 32 ].…”

Section: Magnetic Resonancementioning

confidence: 99%

Imaging of Hip Pain: From Radiography to Cross-Sectional Imaging Techniques

Santiago¹,

Chinchilla

Ansari

et al. 2016

Radiology Research and Practice

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Hip pain can have multiple causes, including intra-articular, juxta-articular, and referred pain, mainly from spine or sacroiliac joints. In this review, we discuss the causes of intra-articular hip pain from childhood to adulthood and the role of the appropriate imaging techniques according to clinical suspicion and age of the patient. Stress is put on the findings of radiographs, currently considered the first imaging technique, not only in older people with degenerative disease but also in young people without osteoarthritis. In this case plain radiography allows categorization of the hip as normal or dysplastic or with impingement signs, pincer, cam, or a combination of both.

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“…Baunin ve arkadaşlarının yaptığı çalışmada, Pertes hastalığının erken döneminde çekilen diffüzyon MR ile hesaplanan, görünen diffüzyon katsayısı (Apparent Diffusion Coefficient, ADC) hastalığın erken dönemde tanınmasına olanak sağla-mıştır. [15] Sebag ve arkadaşları tarafından tanımlanmış olan Dynamic Gadolinium Subtraction (DGS) MR ile epifizyel iskemi erken dönemde tespit edilebilir. [16] Kashiwagi ve arkadaşları, gelişimsel kalça displazisinde tedavi öncesinde MR ile asetabulumu değerlen-direrek Pavlik tedavisinin başarı oranlarını tespit etmiş-lerdir.…”

Section: Manyeti̇k Rezonans Görüntüleme (Mr)unclassified