Three-phase 99mTc-MDP bone scan in a case of pigment villonodular synovitis

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SAIDI BAHARE; FALLAHI BABAK; HAGHIGHI FATEMEH; AGHAGHAZVINI LEILA; Mirzaian Elham; EFTEKHARI MOHAMMAD

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Journal Paper

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Journal: Iranian Journal of Nuclear Medicine Year:2021 | Volume:29 | Issue:1 (SERIAL NUMBER 56) Page(s): 41-44

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Title

Three-phase 99mTc-MDP bone scan in a case of pigment villonodular synovitis

Author(s)

Keywords

Synovitis

Bone scan

SPECT-CT

99mTc-MDP

Abstract

Pigment villondular Synovitis (PVNS) is a rare synovial condition. The nature of this disorder is usually characterized as benign; however, malignant transformation has also been reported. MRI is the diagnostic modality of choice in evaluating this entity, revealing low T1 and T2 weighted signals and blooming artifact on gradient echo sequences. Three-phase 99mTc-MDP Bone scan has been infrequently used to assess these lesions; and a varied pattern on three phase Bone scans has been reported. In the present case, we report a case of diffuse type PVNS lesion of the knee, evaluated with three-phase 99mTc-MDP Bone scan. This lesion had a progressive nature. Flow and blood pool images revealed minimal activity in the lesion, with increased radiotracer uptake on delayed images. After surgical resection, the patient’ s diagnosis of a PVNS was confirmed. Although, the pattern of PVNS has been characterized as more prominent on vascular and blood pool images, other patterns such as limited arterial and venous perfusion, as observed in our case, is also possible. In addition, SPECT-CT, as in this case, provided valuable information regarding the extent of joint involvement.

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APA: Copy

SAIDI, BAHARE, FALLAHI, BABAK, HAGHIGHI, FATEMEH, AGHAGHAZVINI, LEILA, Mirzaian, Elham, & EFTEKHARI, MOHAMMAD. (2021). Three-phase 99mTc-MDP bone scan in a case of pigment villonodular synovitis. IRANIAN JOURNAL OF NUCLEAR MEDICINE, 29(1 (SERIAL NUMBER 56)), 41-44. SID. https://sid.ir/paper/683659/en

Vancouver: Copy

SAIDI BAHARE, FALLAHI BABAK, HAGHIGHI FATEMEH, AGHAGHAZVINI LEILA, Mirzaian Elham, EFTEKHARI MOHAMMAD. Three-phase 99mTc-MDP bone scan in a case of pigment villonodular synovitis. IRANIAN JOURNAL OF NUCLEAR MEDICINE[Internet]. 2021;29(1 (SERIAL NUMBER 56)):41-44. Available from: https://sid.ir/paper/683659/en

IEEE: Copy

BAHARE SAIDI, BABAK FALLAHI, FATEMEH HAGHIGHI, LEILA AGHAGHAZVINI, Elham Mirzaian, and MOHAMMAD EFTEKHARI, “Three-phase 99mTc-MDP bone scan in a case of pigment villonodular synovitis,” IRANIAN JOURNAL OF NUCLEAR MEDICINE, vol. 29, no. 1 (SERIAL NUMBER 56), pp. 41–44, 2021, [Online]. Available: https://sid.ir/paper/683659/en

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