Expansile lucent patellar lesion with narrow zone of transition (arrow) and a minimally displaced pathologic fracture through the lesion. Technique: A) Sunrise view left knee radiograph and B) Left knee axial T1 MRI (GE Signa 1.5T; TR 3500; TE 17; slice thickness 4 mm; without contrast).

Sep 12, 2024 · Osteolytic lesions, lytic or lucent bone lesions are descriptive terms for lesions that replace normal bone or with a vast proportion showing a lower density or attenuation than the normal cancellous bone. This comprises lesions with fatty liquid and solid soft tissue components. Lucent or osteolytic bone lesions are descriptive radiological terms.

Jun 30, 2022 · A radiographically lucent patellar lesion may represent a variety of etiologies, ranging from more commonly seen degenerative, metabolic, infectious, developmental, posttraumatic, postoperative causes to rarer benign and malignant neoplasms.

Mar 2, 2021 · Lucencies may mean many different things: it may be an artifact or may be due to improper positioning of the patient, it may be something benign not to worry about, or it may be a sign that something is wrong. It is not possible to say that without more knowledge of the specific case and without further information about the finding.

4 days ago · Frontal radiograph of the left knee from 4 years earlier demonstrates normal post-operative appearance of prosthesis with no periprosthetic lucency (left).

Clinical symptoms, surgical history, laboratory values, and radiographic features may help narrow the differential. In addition, radiographic features such as circumscribed borders and sharply...

Bipartite patella. The sunrise view knee X-ray (A) shows a right-sided bipartite patella (arrow). Lateral subluxation of the patella, more prominent on the left side, is likely degenerative. ... Radiography: Increased lucency between osteochondral fragments and remainder of the bone, or loose body with donor site irregularity

Jun 30, 2022 · A radiographically lucent patellar lesion may represent a variety of etiologies, ranging from more commonly seen degenerative, metabolic, infectious, developmental, posttraumatic, postoperative causes to rarer benign and malignant neoplasms.

Although there are innumerable processes that can lead to focal lesions in bone, we present here a review of commonly encountered bone lesions [Table 1] that can mimic bone tumors and discuss the key imaging and clinical features that can …

May 1, 2009 · Focal lesions of the patella may be identified during the investigation of anterior knee pain or as an incidental finding on radiological images. This pictorial review describes the radiographic appearances of a wide range of conditions …