scholarly journals Osteoarthritis of the knee at 3.0 T: comparison of a quantitative and a semi-quantitative score for the assessment of the extent of cartilage lesion and bone marrow edema pattern in a 24-month longitudinal study

2011 ◽  
Vol 40 (10) ◽  
pp. 1315-1327 ◽  
Author(s):  
Robert Stahl ◽  
Sapna K. Jain ◽  
Jürgen Lutz ◽  
Bradley T. Wyman ◽  
Marie-Pierre Hellio Le Graverand-Gastineau ◽  
...  
Radiology ◽  
2000 ◽  
Vol 215 (3) ◽  
pp. 835-840 ◽  
Author(s):  
Marco Zanetti ◽  
Elisabeth Bruder ◽  
José Romero ◽  
Juerg Hodler

2014 ◽  
pp. 115-126 ◽  
Author(s):  
Lia Angela Moulopoulos ◽  
Vassilis Koutoulidis

2008 ◽  
Vol 49 (9) ◽  
pp. 1031-1037 ◽  
Author(s):  
M. H. Brem ◽  
P. M. Schlechtweg ◽  
J. Bhagwat ◽  
M. Genovese ◽  
M. F. Dillingham ◽  
...  

Background: Bone marrow edema (BME) is a condition detectable with magnetic resonance imaging (MRI) and is present in different stages of osteoarthritis (OA). Its pathogenesis is still not completely known. Purpose: To evaluate the longitudinal occurrence and persistence of BME in early OA of the knee. Material and Methods: Twenty-three patients (eight females, 15 males; mean age 55.5±10.3 years) were scanned with a 1.5T MR imaging unit (sagittal fat-suppressed intermediate-weighted fast spin echo; 4-mm section thickness, 1-mm intersection gap, 256x192 matrix, 120-mm field of view). Images were obtained in all 23 patients at two time points (TPs) and in 12 patients at three TPs. Images were evaluated by two readers independently; discrepancies in image grading were reviewed and evaluated in consensus. A four-point image-grading scale was used (absence of BME to severe BME). Four main anatomical regions were evaluated (medial femur, lateral femur, medial tibia, lateral tibia), which were subcategorized into anterior, central, and posterior regions. Results: One hundred five areas of BME in the 23 patients were found at all three TPs. In 16 areas, the BME was consistent at the same location over time, in seven locations the BME became larger, in six areas the BME became smaller, and in 16 locations it could not be detected in follow-up MRIs. In one case, the BME was smaller at TP2 but increased at TP3. In eight cases, only at the last time point could a BME be detected. Conclusion: BME is not a static phenomenon but changes over time. Correlation to physical activity and local inflammatory reaction should be evaluated.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Sharat Agarwal

Dear Editor, At the outset, I would like to congratulate the authors of the article published in your journal in the current issue entitled- Idiopathic Transient Osteoporosis during Pregnancy – Report of a Clinical Case JOCR November – December 2019 Volume 9 Issue 6 Page 54-57. However, I regret to mention that the workup mentioned in this article needs to be improved, before one can come to definitive diagnosis of Idiopathic Transient Osteoporosis during Pregnancy. I would like to highlight various perspectives, issues & concerns, the knowledge of which are must for the readers of this journal pertaining to this disorder. It is pertinent to mention no doubt the increasing utilization of magnetic resonance imaging (MRI) has allowed physicians to investigate edematous changes in bone marrow, a clinically important entity which was previously undetected on conventional radiographs. The first use of the term “bone marrow edema” was by Wilson et al in 1988, and the term “bone marrow edema syndrome” was described in 1993 after the investigation of histological specimens [1]. Later on, importantly Hayes et al. advocated that the term “transient bone marrow edema syndrome” should be used for patients in whom the bone marrow edema pattern was not accompanied by radiographic evidence of osteopenia [2]. And thus separating the two entities i.e. “the transient bone marrow edema syndrome” and “Transient Osteoporosis” Occurrence of hip pain during pregnancy is quite common, although transient osteoporosis as a condition causing this symptom is uncommonly seen. Clinicians should also be aware of intra-articular disorders such as loose bodies, and labral tears; peri-articular pathology such as tendinitis and bursitis; or extra-articular conditions such as referred pain from the lumbar spine, the sacroiliac joint, and or from nerve entrapment syndromes. So, a detailed history and physical examination is helpful to narrow the differential diagnoses, which, in turn, dictate the modal


2000 ◽  
Vol 5 (5) ◽  
pp. 520-523 ◽  
Author(s):  
Toshikazu Kubo ◽  
Takuaki Yamamoto ◽  
Shigehiro Inoue ◽  
Motoyuki Horii ◽  
Keiichiro Ueshima ◽  
...  

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