Indian Journal of Nuclear Medicine
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CASE REPORT
Year : 2021  |  Volume : 36  |  Issue : 1  |  Page : 50-52

Discrepancy between multiparametric magnetic resonance imaging and 68Ga prostate-specific membrane antigen positron emission tomography: A simultaneous acquired positron emission tomography-magnetic resonance imaging case


1 Department of Nuclear Medicine and Molecular Imaging, Amrita Institute of Medical Sciences, Kochi, Kerala, India
2 Department of Pathology, Amrita Institute of Medical Sciences, Kochi, Kerala, India

Correspondence Address:
Dr. Vijay Harish Somasundaram
Somasundaram, Department of Nuclear Medicine and Molecular Imaging, Amrita Institute of Medical Sciences, Kochi, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijnm.IJNM_115_20

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Conventionally, multiparametric magnetic resonance imaging (mpMRI) incorporating T2-weighted, diffusion-weighted, and dynamic contrast-enhanced sequences is considered the standard for detection and staging of clinically important prostate cancer (PCa).[1] The 68gallium (68Ga)-labeled positron emission tomography (PET) tracer targeting prostate-specific membrane antigen (PSMA), 68Ga-PSMA PET, is a promising tool for detection, localization, and staging carcinoma prostate.[2] Here, we present a case of PCa, showing incongruence between 68Ga-PSMA PET and the corresponding mpMRI findings. Moreover, the final histopathology revealed a surprise, which exemplifies the complementary nature of combining 68Ga-PSMA PET and mpMRI in the diagnosis and staging of carcinoma prostate.


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