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Case Reports

Pseudocavitating Bronchioloalveolar Carcinoma Followed Over a Decade

^a Department of Surgery, Division of Cardiothoracic Surgery, University of Miami Miller School of Medicine, Miami, Florida
^b Department of Pathology, University of Miami Miller School of Medicine, Miami, Florida

Accepted for publication October 1, 2007.

^_* Address correspondence to Dr Shaw, Department of Surgery, Division of Cardiothoracic Surgery, University of Miami Miller School of Medicine, PO Box 016960 (R-114), Miami, FL 33010 (Email: jason.shaw{at}mssm.edu).

A 38-year-old woman with bronchioloalveolar carcinoma (BAC) had a slow-growing cavitary nodule for nearly a decade. When she was hospitalized because of pneumonia 9 years earlier, a chest computed tomography scan showed a 1.5-cm cavitary right upper lobe nodule. At 1, 3, and 9 years computed tomography scans showed slow growth of the nodule to 2.4 cm, corresponding to a volume doubling time of 1494 days. Thoracoscopic biopsy and lobectomy were performed. Pathologic analysis revealed a well-differentiated mucinous BAC (T1N0M0). Pseudocavitation in solitary BAC is rare. A longer period of surveillance may be required to rule out malignancy in this setting. Surgical resection remains the mainstay of therapy.