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| LETTER TO EDITOR |
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| Year : 2020 | Volume
: 19
| Issue : 3 | Page : 321 |
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Uptake of prostate-specific membrane antigen-targeted18F-DCFPyL in avascular necrosis of the femoral head
Selim Safali1, Bahattin Kerem Aydin1, Mehmet Kaynar2
1 Department of Orthopaedics and Traumatology, Selcuk University, Konya, Turkey
2 Department of Urology, Selcuk University, Konya, Turkey
| Date of Submission | 19-Apr-2020 |
| Date of Acceptance | 10-May-2020 |
| Date of Web Publication | 01-Jul-2020 |
Correspondence Address:
Dr. Bahattin Kerem Aydin
Department of Orthopaedics and Traumatology, Faculty of Medicine, Selcuk University, Konya 42130
Turkey
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DOI: 10.4103/wjnm.WJNM_56_20 
How to cite this article:
Safali S, Aydin BK, Kaynar M. Uptake of prostate-specific membrane antigen-targeted18F-DCFPyL in avascular necrosis of the femoral head. World J Nucl Med 2020;19:321 |
How to cite this URL:
Safali S, Aydin BK, Kaynar M. Uptake of prostate-specific membrane antigen-targeted18F-DCFPyL in avascular necrosis of the femoral head. World J Nucl Med [serial online] 2020 [cited 2020 Oct 20];19:321. Available from: http://www.wjnm.org/text.asp?2020/19/3/321/290363 |
Dear Editor,
We read the case report titled “Uptake of prostate-specific membrane antigentargeted18 FDCFPyL in avascular necrosis of the femoral head” by Torga et al.,[1] with great interest in the October–December issue of World Journal of Nuclear Medicine. They published the case of prostate carcinoma patient who has avascular necrosis of hip by positron emission tomography (PET)-computed tomography with prostate-specific membrane antigen. In addition, they have reported that the lack of pathologic diagnosis is the main limitation of their article.
However, we know that magnetic resonance imaging (MRI) is the most important imaging modality and also a basal radiological imaging for the main avascular necrosis classifications (University of Pennsylvania, Ficat and Arlet).[2],[3] In addition, MRI is the most helpful imaging modality for suspicious bone metastatic lesions. Hence, we think that in future, while planning to assess the frequency with prostate-specific membrane antigen-targeted PET scans, MRI imaging should be used for confirmation of the bone lesions.
Financial support and sponsorship
Nil.
Conflicts of interest
There are no conflicts of interest.
 References | |  |
| 1. | Torga G, Yin Y, Pomper MG, Pienta KJ, Gorin MA, Rowe SP. Uptake of prostate-specific membrane antigen-targeted 18F-DCFPyL in avascular necrosis of the femoral head. World J Nucl Med 2019;18:416-9.  [ PUBMED] [Full text] |
| 2. | Zalavras CG, Lieberman JR. Osteonecrosis of the femoral head: Evaluation and treatment. J Am Acad Orthop Surg 2014;22:455-64. |
| 3. | Steinberg ME, Hayken GD, Steinberg DR. A quantitative system for staging avascular necrosis. J Bone Joint Surg Br 1995;77:34-41. |
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