Invasive mucinous adenocarcinoma of the lung presenting as a large, thin-walled cyst: A case report and literature review

• DOI: 10.3892/mco.2017.1143
• Publication Date: 2017-01-31T09:35:30Z
• Authors: Keita Masuzawa; Naoto Minematsu; Mamoru Sasaki; Kazuma Ohsawa; Tatsuya Yamamoto; Arifumi Iwamaru; Kentaro Ogata; Tomoko Betsuyaku; Marohito Murakami
• Keywords: 03 medical and health sciences; 0302 clinical medicine; 3. Good health

Invasive mucinous adenocarcinoma (IMA), formerly referred to as bronchioloalveolar carcinoma, is a rare variant form of invasive and radiologically characterized by dense pneumonic consolidation, ground-glass opacity nodules. By contrast, large, thin-walled cysts are rare. We herein report the case 75-year-old man with IMA presenting irregularly shaped cystic lesion. The histological diagnosis was based on specimens obtained during bronchoscopy. patient underwent lobectomy followed anticancer chemotherapy for residual intrapulmonary metastases. Of note, small metastatic nodules transformed into lesions thin walls fused, forming multiloculated Typical consolidation appeared in pericystic parenchyma later clinical course. available literature this radiological manifestation also reviewed discussed. Clinicians should be aware they may an unusual finding IMA.