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Ominous lung cavity “Tambourine sign”

2017; Baishideng Publishing Group; Volume: 5; Issue: 4 Linguagem: Inglês

10.12998/wjcc.v5.i4.153

2307-8960

Ritu Verma, Ashu Seith Bhalla, Ankur Goyal, Deepali Jain, N Loganathan, Randeep Guleria,

Cancer Diagnosis and Treatment

Mucinous adenocarcinoma represents a rare subtype of adenocarcinoma of the lung, which is frequently invasive and has a poorer prognosis.Of its wide range of imaging appearances, air-space consolidation is the most frequent pattern while cavitary form has only rarely been reported.Despite imaging advancements, the differentiation of benign and malignant cavitary lung lesions sometimes remains imperfect.We propose "Tambourine" sign on computed tomography to raise the suspicion of mucinous adenocarcinoma in a lung cavity, under appropriate clinical settings.The sign indicates an irregular cavity with undistorted prominent thick walled bronchioles within the wall and draping along thereby resembling the musical instrument "tambourine".Adjacent ground glass and internal septations may also be seen.