Testicular Incidentaloma on 18F-choline PET/CT in a Patient with Prostatic Adenocarcinoma

IF 0.9 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Molecular Imaging and Radionuclide Therapy Pub Date : 2024-02-20 DOI:10.4274/mirt.galenos.2024.76259

Chaymae Bensaid, Salah Oueriagli Nabih, Meryem Aboussabr, O. Sahel, Y. Benameur, A. Doudouh

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Abstract

Prostatic adenocarcinoma is characterized by elevated phosphatidylcholine metabolism. 18 F-choline positron emission tomography/computed tomography (PET/CT) is widely used for patients with biochemical recurrence and a prostate-specific antigen threshold above 2 ng/mL. We report a case of a patient with high-risk prostatic adenocarcinoma undergoing 18 F-choline PET/CT for biochemical recurrence. In addition to hypermetabolic abdominal lymph nodes, an unexpected right testicular hypermetabolism was observed. Such findings on 18 F-choline PET/CT may suggest a primary tumor or testicular metastasis of prostate cancer. Bilateral orchiectomy revealed a vitelline tumor associated with known primary prostatic cancer. The incidental discovery of a testicular vitelline tumor during prostate cancer imaging is rare, highlighting the importance of thorough diagnostics. This case underscores the need for comprehensive care in managing complex and atypical cancer cases, emphasizing the potential for unrelated tumor discoveries during diagnostic workup. Further research is essential for a better understanding of these rare co-occurring cancers and their treatment implications

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一名前列腺腺癌患者的 18F-choline PET/CT 检出睾丸偶发瘤

前列腺腺癌的特点是磷脂酰胆碱代谢升高。18 F-胆碱正电子发射断层扫描/计算机断层扫描（PET/CT）被广泛用于生化复发且前列腺特异性抗原阈值高于 2 ng/mL 的患者。我们报告了一例因生化复发而接受 18 F-choline PET/CT 检查的高危前列腺腺癌患者。除了腹部淋巴结高代谢外，还意外观察到右侧睾丸高代谢。18 F-choline PET/CT 上的这种发现可能提示原发肿瘤或前列腺癌的睾丸转移。双侧睾丸切除术发现了一个与已知原发性前列腺癌相关的玻璃体肿瘤。在前列腺癌成像过程中意外发现睾丸玻璃体瘤的情况非常罕见，这凸显了彻底诊断的重要性。该病例强调，在处理复杂和不典型的癌症病例时，需要进行全面护理，并强调在诊断工作中发现无关肿瘤的可能性。为了更好地了解这些罕见的并发癌症及其对治疗的影响，进一步的研究是必不可少的。

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来源期刊

Molecular Imaging and Radionuclide Therapy RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-

CiteScore

1.30

自引率

0.00%

发文量

期刊介绍： Molecular Imaging and Radionuclide Therapy (Mol Imaging Radionucl Ther, MIRT) is publishes original research articles, invited reviews, editorials, short communications, letters, consensus statements, guidelines and case reports with a literature review on the topic, in the field of molecular imaging, multimodality imaging, nuclear medicine, radionuclide therapy, radiopharmacy, medical physics, dosimetry and radiobiology.