医学
结节病
腺癌
放射科
肺结节病
正电子发射断层摄影术
核医学
内科学
癌症
作者
V. Habouzit,Khawla Maoui,Nathalie Prévôt,Fabien Forest,Rémi Grange
出处
期刊:Clinical Nuclear Medicine
[Ovid Technologies (Wolters Kluwer)]
日期:2024-03-08
标识
DOI:10.1097/rlu.0000000000005156
摘要
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.
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