You are currently offline. Femur cortical bone is the main contributor of femur stiffness and strength. Notice the homogeneous thickening of the cortical bone.

This is a classic "do not touch" lesion, and should not be confused with an aggressive cortical/periosteal process (e.g. Tensile strength and density measurements were carried out on small samples of cortical bone taken from the lateral quadrant of the central region of the femoral diaphysis. structural features of the femoral neck associated with ag-ing and fracture. Figure 2: Coronal (2a), sagittal (2b), and axial (2c) fat-suppressed T2-weighted images reveal focal periosteal and endosteal cortical thickening, adjacent endosteal edema, and a transverse intracortical fracture line (arrows) involving the lateral proximal femoral shaft cortex. Therefore, it is very desirable to know femur cortical bone thickness in assessing hip fracture risk. Early cortical bone loss or a decrease in cortical “distinctness” should be sought both on the acetabulum and the femoral head (,,, Figs 20, ,,, 21). The MR image shows that the lesion has lobulated contours and nodular enhancement. The lesion lacks an outer margin.Defines anatomy much better and is seen as a cortically based lesion in the expected location (i.e.

Plain radiograph and coronal T1-weighted contrast-enhanced fat-suppressed MR image of a mixed lytic and sclerotic lesion of the distal femoral diaphysis. 75-82. There may be a male predilection.

There are no calcifications. {"url":"/signup-modal-props.json?lang=gb\u0026email="}{"containerId":"expandableQuestionsContainer","displayRelatedArticles":true,"displayNextQuestion":true,"displaySkipQuestion":true,"articleId":5198,"mcqUrl":"https://radiopaedia.org/articles/cortical-desmoid/questions/1171?lang=gb"}ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers.Case 1: with concurrent healing fibrocortical defect

J'ai une importante ostéopénie au niveau de l'os trabéculaire du rachis lombaire et de l'os cortical du col fémoral droit.Etant donné que je travaille comme agent d'entretien dans un théatre public, est-ce que je peux demander un reclassement proffessionnel, c'est mon docteur qui me l'a conseillé.cordialement a tous et toutes. They can be bilateral in approximately one-third of cases.Occasionally similar lesions have been described involving the humerus - medially at the insertion of the pectoralis major muscle or laterally at the insertion of the deltoidTypically shows a saucer-shaped radiolucent cortical irregularity involving the posteromedial aspect of the distal femoral metaphysis at the attachment of the adductor magnus tendon.

“Cortical Bone Material Strength Index and Bone Microarchitecture in Postmenopausal Women With Atypical Femoral Fractures.” J Bone Miner Res, 34, 1, Pp. osteosarcoma). Cortical desmoids, also known in the medical literature as distal femoral cortical irregularities, are benign self-limiting fibrous or fibroosseous lesions that most frequently occur in the medial supracondylar femur (Figs.

2019. Cortical desmoids, also known as cortical avulsive injuries or the Bufkin lesion, are a benign self-limiting entity. A case report.MR appearance of distal femoral cortical irregularity (cortical desmoid).MR findings of avulsive cortical irregularity of the distal femurAn excavation of the distal femoral metaphysis: a magnetic resonance imaging study. Ostéopénie : généralités. L'ostéopénie est une fragilisation de l'os qui perd de sa densité et qui se trouve à mi-chemin entre l'os physiologique et l'ostéoporose proprement dite. Eventov et al. The diagnosis must be secured by means of hip aspiration and culture of the aspirate.

D'autres paramètres influent sur le risque de fracture, comme la géométrie de l'os (col fémoral notamment) ou l'épaisseur de l'os cortical (col fémoral également). Kristin L Popp, Signe Caksa, Adriana Martinez-Betancourt, Amy Yuan, Joy Tsai, Elaine W Yu, and Mary L Bouxsein. Cortical abnormalities at the distal postero-medial femoral metaphysis may be relatively common. A case report.Cortical defect of the humerus at the insertion of the pectoralis major.Bone scintigraphy: differentiating benign cortical irregularity of the distal femur from malignancy.By clicking accept or continuing to use the site, you agree to the terms outlined in our Occasionally pain may be present.It is related to repetitive stress at the attachment of the medial head of Cortical desmoids are classically seen at the posteromedial aspect of the distal femur. Cortical remodeling changes re-1Bone Research Group (MRC), Department of Medicine, University of Cambridge, Cambridge, United Kingdom. We reviewed the plain radiographs of 197 knees in 130 children aged between 5 and 12 years to investigate the incidence of distal femoral cortical irregularities (DFCI) and their association with symptoms. posteromedial distal femoral metaphysis) On bone scan, there is an abnormal increase in activity because of the chronic stress/traumatic origin of this lesion. Patients are usually asymptomatic, and it is discovered incidentally.