Pulmonary Recurrence of Colorectal Mucinous Adenocarcinoma and Sarcoidosis on 18 F-FDG PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 38465959.
- Also identified by DOI 10.1097/RLU.0000000000005156.
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Abstract
A 67-year-old woman, previously diagnosed with pulmonary sarcoidosis and sigmoid colon mucinous adenocarcinoma with pulmonary metastasis, showed an enlarged pulmonary nodule in routine follow-up. Because of the absence of treatment for either condition over the past 3 years, the nodule raised concerns of cancer recurrence or sarcoidosis progression. Its distinctive 18 F-FDG PET/CT appearance, compared with other pulmonary lesions, suggested a mucinous histology. The diagnosis was confirmed by pathological examination. This emphasizes the importance of knowledge of the 18 F-FDG PET/CT phenotype of neoplastic histological variants to address challenging diagnostic scenarios.
Medical subject headings
- Colorectal Neoplasms
- Colonic Neoplasms
- Adenocarcinoma, Mucinous
- Sarcoidosis