Fluid-fluid level containing bone lesions
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was changed:
Fluid-fluid levels within a bone lesion are best seen on MRI, although with narrow window width they can also be appreciated on CT. Their prevalence is estimated at ~ 3 ~3% of bone and soft tissue tumours 41.
Their presence is non-specific, as they be seen in both benign and malignant lesions.
The differential includes:
-
aneurysmal bone cyst (ABC)
- primary
- secondary to other underlying lesions such as
-
simple bone cyst
- especially: especially after fracture - telangiectatic osteosarcoma
- uncommon causes
:-
metastasis
- especially: especially from renal cell carcinoma (RCC)2 - synovial sarcoma
- synovial haemangioma
- myositis ossificans
-
adamantinoma
52 - neurogenic tumours 3
-
metastasis
-<p><strong>Fluid-fluid levels</strong> within a bone lesion are best seen on MRI, although with narrow window width they can also be appreciated on CT. Their prevalence is estimated at ~ 3 % of bone and soft tissue tumours <sup>4</sup>.</p><p>Their presence is non-specific, as they be seen in both benign and malignant lesions.</p><p>The differential includes:</p><ul>-<li>-<a title="Aneurysmal bone cyst (ABC)" href="/articles/aneurysmal-bone-cyst">aneurysmal bone cyst (ABC)</a><ul>-<li>primary</li>-<li>secondary to other underlying lesions such as-<ul>-<li><a title="Giant cell tumours" href="/articles/giant-cell-tumour-of-bone">giant cell tumours (GCT)</a></li>-<li><a title="Fibroxanthoma of bone" href="/articles/fibroxanthoma-of-bone">fibroxanthoma</a></li>-<li><a title="chondroblastoma" href="/articles/chondroblastoma">chondroblastoma</a></li>- +<p><strong>Fluid-fluid levels</strong> within a bone lesion are best seen on MRI, although with narrow window width they can also be appreciated on CT. Their prevalence is estimated at ~3% of bone and soft tissue tumours <sup>1</sup>.</p><p>Their presence is non-specific, as they be seen in both benign and malignant lesions.</p><p>The differential includes:</p><ul>
- +<li>
- +<a href="/articles/aneurysmal-bone-cyst">aneurysmal bone cyst (ABC)</a><ul>
- +<li>primary</li>
- +<li>secondary to other underlying lesions such as<ul>
- +<li><a href="/articles/giant-cell-tumour-of-bone">giant cell tumours (GCT)</a></li>
- +<li><a href="/articles/fibroxanthoma-of-bone">fibroxanthoma</a></li>
- +<li><a href="/articles/chondroblastoma">chondroblastoma</a></li>
-</li>- +</li>
-</li>-<li>-<a title="Simple bone cyst" href="/articles/unicameral-bone-cyst-1">simple bone cyst </a>- especially after fracture<a title="Simple bone cyst" href="/articles/unicameral-bone-cyst-1"></a> </li>-<li><a title="telangiectatic osteosarcoma" href="/articles/telangiectatic-osteosarcoma">telangiectatic osteosarcoma</a></li>-<li>uncommon causes:<ul>-<li>-<a title="skeletal metastases" href="/articles/skeletal-metastases">metastasis </a>- especially from <a title="Renal cell carcinoma (RCC)" href="/articles/renal-cell-carcinoma-1">renal cell carcinoma (RCC) </a><sup>2</sup> and <a title="Lung cancer" href="/articles/bronchogenic-carcinoma">lung cancer</a><sup> 3</sup>-</li>-<li><a title="synovial sarcoma" href="/articles/synovial-sarcoma">synovial sarcoma</a></li>-<li><a title="Synovial haemangioma" href="/articles/synovial-haemangioma">synovial haemangioma</a></li>-<li><a title="myositis ossificans" href="/articles/myositis-ossificans-1">myositis ossificans</a></li>-<li>-<a title="Adamantinoma of long bones" href="/articles/adamantinoma-of-long-bones">adamantinoma</a> <sup>5</sup>-</li>- +</li>
- +<li>
- +<a href="/articles/unicameral-bone-cyst-1">simple bone cyst</a>: especially after fracture</li>
- +<li><a href="/articles/telangiectatic-osteosarcoma">telangiectatic osteosarcoma</a></li>
- +<li>uncommon causes<ul>
- +<li>
- +<a href="/articles/skeletal-metastases">metastasis</a>: especially from <a href="/articles/renal-cell-carcinoma-1">renal cell carcinoma (RCC) </a> and <a href="/articles/lung-cancer-3">lung cancer</a><sup> 3</sup>
- +</li>
- +<li><a href="/articles/synovial-sarcoma">synovial sarcoma</a></li>
- +<li><a href="/articles/synovial-haemangioma">synovial haemangioma</a></li>
- +<li><a href="/articles/myositis-ossificans-1">myositis ossificans</a></li>
- +<li>
- +<a href="/articles/adamantinoma-of-long-bones">adamantinoma</a> <sup>2</sup>
- +</li>
-</li>- +</li>
-</li>- +</li>
References changed:
- 1. Van Dyck P, Vanhoenacker F, Vogel J et al. Prevalence, Extension and Characteristics of Fluid-Fluid Levels in Bone and Soft Tissue Tumors. Eur Radiol. 2006;16(12):2644-51. <a href="https://doi.org/10.1007/s00330-006-0250-1">doi:10.1007/s00330-006-0250-1</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/16612549">Pubmed</a>
- 2. A. Mark Davies, Murali Sundaram, Steven J. James. Imaging of Bone Tumors and Tumor-Like Lesions. (2009) ISBN: 9783540779827 - <a href="http://books.google.com/books?vid=ISBN9783540779827">Google Books</a>
- 4. Van dyck P, Vanhoenacker FM, Vogel J et-al. Prevalence, extension and characteristics of fluid-fluid levels in bone and soft tissue tumors. Eur Radiol. 2006;16 (12): 2644-51. <a href="http://dx.doi.org/10.1007/s00330-006-0250-1">doi:10.1007/s00330-006-0250-1</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/16612549">Pubmed citation</a><div class="ref_v2"></div>
- 1. Burton Edward M. and Alan S. Brody. Essentials of pediatric radiology. Thieme, 1999. <a href="http://www.worldcat.org/wcpa/isbn/0865778027, 9780865778023" target="_blank">ISBN: 0865778027, 9780865778023</a>.
- 2. Reeder Maurice Merrick and Benjamin Felson. Reeder and Felson's gamuts in radiology. Springer, 2003. <a href="http://www.worldcat.org/wcpa/isbn/0387955887, 9780387955889" target="_blank">ISBN: 0387955887, 9780387955889</a>.
- 5. Davies AM, Sundaram M, James SJ. Imaging of Bone Tumors and Tumor-Like Lesions, Techniques and Applications. Springer. (2009) ISBN:3540779825. <a href="http://books.google.com/books?vid=ISBN3540779825">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/3540779825?ie=UTF8&tag=radiopaediaor-20&linkCode=as2&camp=1789&creative=9325&creativeASIN=3540779825">Find it at Amazon</a><div class="ref_v2"></div>
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