An Unusual Case of Oligometastases in a Patient with Renal Cell Carcinoma: Insights from <sup>18</sup>F-FDG PET/CT
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An Unusual Case of Oligometastases in a Patient with Renal Cell Carcinoma: Insights from 18F-FDG PET/CT

Mol Imaging Radionucl Ther 0;0(0):0-0
1. King Hussein Cancer Center (KHCC), Department of Nuclear Medicine, Amman, Jordan
2. Dubai Nuclear Medicine and Molecular Imaging Center, Dubai Health Authority, Dubai, United Arab Emirates
3. King Hussein Cancer Center (KHCC), Department of Medical Oncology, Amman, Jordan
No information available.
No information available
Received Date: 02.12.2023
Accepted Date: 11.01.2024
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ABSTRACT

Renal cell carcinoma (RCC) is a significant cause of mortality worldwide. To date, many atypical metastatic sites have been observed and reported in patients with RCC. However, to the best of our knowledge, there have been no reported cases of thyroid cartilage metastasis in the context of RCC metastasis. Herein, we present the case of a 68-year-old man who developed left arm pain that led to an RCC diagnosis. First, evaluation by PAN-computed tomography (CT) denoted right kidney RCC and identified left humeral metastasis. Subsequently, 18F-fluorodeoxyglucose positron emission tomography/CT (18F-FDG PET/CT) was performed after right nephrectomy and left humeral lesion excision and fixation. Interestingly, few intramedullary hypermetabolic lesions were observed in addition to a single intensely hypermetabolic thyroid cartilage lesion indicative of oligometastases. This case underscores the importance of 18F-FDG PET/CT in the evaluation of RCC disease for baseline staging and beyond.

Keywords: Renal cell carcinoma, thyroid cartilage, renal cancer, 18F-FDG, cartilage metastasis, FDG PET/CT

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