Synovial herniation pits are oval, round or "8-shaped" lucencies with sclerotic margins 1-3,7. On CT, an overlying cortical defect can be seen 5. Well-defined peripheral low signal lesion with central low T1 and high T2 signal; T2 signal may heterogeneous. Intralesional fat is seen in some pits 5,7. Adjacent … See more Prevalence on x-rays of normal adults is ~5% (range 4-12%) 3. 1. cam morphology FAI: occur in 5-33% of patients 2,3 but causation of synovial herniation pits by FAI has not been … See more They are most often incidental findings of no clinical significance 3. Synovial herniation pits are one of the skeletal “don’t touch” lesions. Synovial herniation pits can grow over … See more There is debate about the exact etiology of herniation pits. These lucencies represent a herniation of synovium or soft tissues into the bone through a cortical defect 1,3. They most commonly occur in the anterosuperior aspect … See more Imaging differential diagnosis includes 4,5,7: 1. osteoid osteoma 2. intraosseous ganglion 3. atypical skeletal metastasis 4. chronic intraosseous abscess See more WebDec 5, 2024 · Synovial cysts are common in joints such as the knee, ankle, hand, and wrist, but uncommon in the hip joint. Histologically, a synovial cyst is an extension of the joint capsule with a lining of synovial cells, and it often communicates with the adjacent joint.
Symptomatic Herniation Pit of the Femoral Neck: A Case Report
WebSynovial herniation pits have been associated with cam morphology, as in this case, but a causative relationship is not certain. Growth of synovial herniation pits has been reported in the literature. 2 articles feature images from this case 2 public playlists include this case Related Radiopaedia articles nancy fenstra
Symptomatic synovial herniation pit—MRI ... - BIR …
WebJan 3, 2016 · Herniation pits are small benign lucent oval lesions within the anterior aspect of the superolateral femoral neck and were first described in 1982 by Michael J. Pitt. They … WebMay 1, 2007 · Synovial Herniation Pit Synovial herniation pits are small, focal subcortical osseous defects at the upper femoral neck that occur in up to 5% of adults, most … WebA round to oval radiolucency surrounded by a thin zone of sclerosis is often identified in the proximal superior quadrant of adult femoral necks. Although usually recognized as … nancy fenetre pulnoy