A Case of Primary Pulmonary Colloid Adenocarcinoma: How Can We Obtain a Precise Diagnosis?

Shinsuke Ogusu, Koichiro Takahashi, Haruki Hirakawa, Masahide Tanaka, Kazutoshi Komiya, Tomomi Nakamura, Ryoko Egashira, Keita Kai, Yuji Takeda, Shinya Kimura, Naoko Sueoka-Aragane
2019 Internal medicine (Tokyo. 1992)  
A 76-year-old asymptomatic man was found to have a mass in the right lower lung field. Although the presence of a mucinous component in the majority of the tumor was shown by magnetic resonance imaging, the presence of cancer cells was suspected by contrast enhancement on computed tomography (CT) and based on the partial accumulation in the marginal regions of the tumor on fluorodeoxyglucose-positron emission tomography (FDG-PET). A transbronchial lung biopsy was non-diagnostic, but resection
more » ... the mass resulted in a diagnosis of colloid adenocarcinoma. The findings from combined contrast CT and FDG-PET may raise the suspicion of colloid adenocarcinoma and prompt the consideration of surgical resection.
doi:10.2169/internalmedicine.1153-18 pmid:30101926 fatcat:iqnlz4innzgkvjzftdcrsrjtqe