Molly A Parsons1, Mateen Moghbel, Babak Saboury, Drew A Torigian, Thomas J Werner, Domenico Rubello, Sandip Basu, Abass Alavi. 1. aDepartment of Radiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania bStanford University School of Medicine, Stanford, California, USA cDepartment of Nuclear Medicine, PET/CT Centre, Radiology, NeuroRadiology, Medical Physics, 'Santa Maria della Misericordia' Hospital, Rovigo, Italy dRadiation Medicine Centre (B.A.R.C.), Tata Memorial Centre Annexe, Parel, Mumbai, India.
Abstract
OBJECTIVE: The aim of this prospective study was to compare the metabolic activity of the knee joints of a group of patients with painful knees clinically (such as recurrent joint pain, joint instability, and functional limitations) consistent with osteoarthritis and those of another group of patients without such complaints, using [F]-2-fluoro-2-deoxy-D-glucose (F-FDG)-PET imaging. METHODS: A total of 97 patients who participated in either painful joint prosthesis or diabetic foot research studies involving F-FDG-PET scans were asked to complete a knee pain questionnaire. The patients were asked whether they experienced pain in any joint, and if so, which joints were affected. RESULTS: A total of 18 knee joints without prosthesis were reported to be painful. The maximum standardized uptake values (SUVmax) of the middle joint space and lateral synovial tissue of these 18 knees were measured and compared with those of a set of patients with control asymptomatic knees. The average SUVmax of the middle part of the joint space in the painful knees was 1.35±0.59 compared with an average SUVmax value of 0.86±0.14 in the control group (P=0.0176). The average SUVmax of the synovium in the lateral part of the painful joints was 1.17±0.49 compared with 0.73±0.31 in the control group (P=0.0161). CONCLUSION: These data indicate that increased F-FDG uptake is associated with knee pain in osteoarthritis patients and that there is a positive relationship between the two parameters.
OBJECTIVE: The aim of this prospective study was to compare the metabolic activity of the knee joints of a group of patients with painful knees clinically (such as recurrent joint pain, joint instability, and functional limitations) consistent with osteoarthritis and those of another group of patients without such complaints, using [F]-2-fluoro-2-deoxy-D-glucose (F-FDG)-PET imaging. METHODS: A total of 97 patients who participated in either painful joint prosthesis or diabetic foot research studies involving F-FDG-PET scans were asked to complete a knee pain questionnaire. The patients were asked whether they experienced pain in any joint, and if so, which joints were affected. RESULTS: A total of 18 knee joints without prosthesis were reported to be painful. The maximum standardized uptake values (SUVmax) of the middle joint space and lateral synovial tissue of these 18 knees were measured and compared with those of a set of patients with control asymptomatic knees. The average SUVmax of the middle part of the joint space in the painful knees was 1.35±0.59 compared with an average SUVmax value of 0.86±0.14 in the control group (P=0.0176). The average SUVmax of the synovium in the lateral part of the painful joints was 1.17±0.49 compared with 0.73±0.31 in the control group (P=0.0161). CONCLUSION: These data indicate that increased F-FDG uptake is associated with knee pain in osteoarthritispatients and that there is a positive relationship between the two parameters.
Authors: Nehal N Mehta; YiDing Yu; Babak Saboury; Negar Foroughi; Parasuram Krishnamoorthy; Anna Raper; Amanda Baer; Jules Antigua; Abby S Van Voorhees; Drew A Torigian; Abass Alavi; Joel M Gelfand Journal: Arch Dermatol Date: 2011-05-16
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