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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, F-fluorodeoxyglucose positron emission tomography/CT (F-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 F-FDG PET/CT in the evaluation of RCC disease for baseline staging and beyond.
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http://dx.doi.org/10.4274/mirt.galenos.2024.30643 | DOI Listing |
Front Oncol
August 2025
Department of Radiology, The Affiliated Panyu Central Hospital, Guangzhou Medical University, Guangzhou, China.
Objectives: Lymph node metastasis (LNM) is an important factor affecting the stage and prognosis of patients with lung adenocarcinoma. The purpose of this study is to explore the predictive value of the stacking ensemble learning model based on F-FDG PET/CT radiomic features and clinical risk factors for LNM in lung adenocarcinoma, and elucidate the biological basis of predictive features through pathological analysis.
Methods: Ninety patients diagnosed with lung adenocarcinoma who underwent PET/CT were retrospectively analyzed and randomly divided into the training and testing sets in a 7:3 ratio.
Indian J Nucl Med
August 2025
Department of Nuclear Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India.
Acute lymphoblastic leukaemia (ALL) is a prevalent cause of paediatric leukaemia. Patients with ALL typically exhibit symptoms such as fever, bleeding, weight loss, and bone pain. Blood investigations results predominantly show anaemia and pancytopenia with blast cells in the peripheral smear.
View Article and Find Full Text PDFIndian J Nucl Med
August 2025
Department of Nuclear Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
Diffuse large B-cell lymphoma (DLBCL) is a highly aggressive type of non-Hodgkin lymphoma. Accurate evaluation of treatment response is essential for effective management. This case report discusses the potential role of ⁶⁸Ga-Pentixafor positron emission tomography (PET)/computed tomography (CT) in comparison to F-fluorodeoxyglucose PET/CT for assessing treatment response in a patient with DLBCL.
View Article and Find Full Text PDFIndian J Nucl Med
August 2025
Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India.
Metastatic renal osteosarcoma is a rare entity. We report a case of a 52-year-old male postright nephrectomy status presented to us with metastatic renal osteosarcoma. 18-fluorine- fluorodeoxyglucose (F-FDG) avid lesions were seen in the right renal bed with extension to adjacent hepatic parenchyma.
View Article and Find Full Text PDFIndian J Nucl Med
August 2025
Department of Haematology and Haemato-Oncology, Aster Medcity, Kochi, Kerala, India.
Erdheim-Chester disease (ECD) is a rare systemic non-Langerhans cell histiocytosis with multiple organ involvement. Being a rare disease with variable clinical manifestations, it is often difficult to diagnose. F-2-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) plays a vital role in assessing disease extent and severity, diagnosis, treatment response and is a potential biomarker for BRAF mutation.
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