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[68镓]镓-PSMA-11在克罗恩病中的小肠摄取:重新审视PSMA配体的“非特异性”

[68 Ga]Ga-PSMA-11 Small Bowel Uptake in Crohn's Disease: Revisiting the "Non-specificity" of PSMA Ligands.

作者信息

Chandekar Kunal Ramesh, Tanigassalam Sindhu, Kavanal Anwin Joseph, Singh Harmandeep, Bhattacharya Anish, Mavuduru Ravimohan Suryanarayan

机构信息

Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012 India.

Department of Urology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

出版信息

Nucl Med Mol Imaging. 2022 Apr;56(2):102-104. doi: 10.1007/s13139-021-00732-4. Epub 2022 Jan 29.

Abstract

The rapidly evolving clinical utility of prostate-specific membrane antigen (PSMA) PET/CT as an imaging modality for prostate cancer (PCa) has brought to the forefront a multitude of non-prostatic diseases also exhibiting PSMA radioligand uptake. We report a case of a 71-year-old male with PCa who underwent PSMA PET/CT for recurrence evaluation. The scan demonstrated [68 Ga]Ga-PSMA-11 uptake in the distal ileum. Retrospective enquiry revealed that the patient was a known case of Crohn's disease. This case highlights an uncommon finding of PSMA radioligand uptake in the distal small bowel (non-prostatic benign pathological uptake) in a patient with known Crohn's disease, which may be misinterpreted in the evaluation of PCa.

摘要

前列腺特异性膜抗原(PSMA)PET/CT作为前列腺癌(PCa)成像方式的临床应用迅速发展,这使得众多非前列腺疾病也表现出PSMA放射性配体摄取这一情况被推到了前沿。我们报告一例71岁的PCa男性患者,其接受PSMA PET/CT以评估复发情况。扫描显示[68Ga]Ga-PSMA-11在回肠末端摄取。回顾性询问发现该患者是已知的克罗恩病病例。该病例突出了在一名已知克罗恩病患者的远端小肠中出现PSMA放射性配体摄取(非前列腺良性病理摄取)这一罕见发现,这在PCa评估中可能会被误解。

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本文引用的文献

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