The knee is a common site for bone tumors, whether clinically painful or not. ( 5a) A sagittal T1- weighted image demonstrates a large primarily fat- signal mass- like area ( yellow arrows) filling much of the suprapatellar bursa. 42 year old with posterior left knee pain. Clinical History: A 25 year old female presents with chronic lateral knee pain and instability. It is also called anserine bursitis.
The knee joint is particularly susceptible to traumatic injury because it is located at the ends of two long lever arms, the tibia and the femur. Patients complain of characteristic spontaneous medial knee pain with tenderness in the inferomedial aspect of the joint. Les tumeurs des parties molles sont fréquentes. The bursa consists of two bursal leaves. The subacromial- subdeltoid bursa is a synovial lined space, which contains no observable or only a minimal amount of fluid. A bursa is a small synovial tissue lined structure between two surfaces which functions to provide space for gliding and reducing friction between two surfaces. Figure 5: Lipoma arborescens. It articulates with the talus superiorly and the cuboid anteriorly and shares a joint space with the talonavicular joint, appropriately called the talocalcaneonavicular joint. The calcaneus, also referred to as the calcaneum, is the largest tarsal bone and the major bone in the hindfoot. The knee joint is consists of the lateral femorotibial, medial femorotibial, and femoropatellar joints. Conventional radiology has been established as the first line of investigation in patients with knee pain and can reveal lesions that often generate questions not only for the generalist physician but also for the radiologist or general orthopedist. L' analyse rétrospective sur 10 ans réalisée par le Department of Soft Tissue Pathology, Armed Forced Institute of Pathology, montre que sur plus de 31 000 tumeurs des parties molles, environtumeurs bénignes sont des lipomes ( 16, 1 % ) et quetumeurs malignes sont des liposarcomes ( 14, 2 % ).
Suprapatellar bursa radiology. Subacromial bursa. Knee effusion or swelling of the knee ( colloquially known as water on the knee) occurs when excess synovial fluid accumulates in or around the knee joint. The calcaneus transfers most of the body weight from the lower limb to the ground. It is is the largest and most complex joint of the body. The “ weightings” menu makes it possible to choose the type of MRI sequence to be viewed: spin- echo T1 or proton- density with fat saturation sequences. It is a very common anatomical variant, seen in up to 26% of feet 1. It is a compound synovial joint incorporating two condylar joints between the condyles of the femur and tibia and one saddle joint between the femur and patella. Radsource MRI Web Clinic: Patellar Fat Pad Abnormalities. It has many common causes, including arthritis, injury to the ligaments or meniscus, or fluid collecting in the bursa, a.
Pes anserinus bursitis is an inflammatory condition of Pes- anserinus bursa which lies on the medial aspect of the knee. Baker' s Cyst ( Popliteal Cyst) A Baker' s cyst ( described by Morrant Baker in the 19th century a s a cystic mass in the popliteal fossae of children) results from knee joint swelling, which causes herniation of joint fluid and synovium through the capsule of the knee joint posteriorly, or from distention of the semimembranosus bursa. An os peroneum is a small accessory bone located at the lateral plantar aspect of the cuboid within the substance of the peroneus longus tendon as it arches around the cuboid. Knee pain is a common complaint in clinical practice, and pes anserinus tendino- bursitis syndrome ( PATB) has been frequently diagnosed based only on clinical features that may cause equivocal interpretations. It causes pain inferomedial to the knee joint.