cinidon-ethyl and Adenocarcinoma

A 34-year-old Japanese woman exhibited a 35×25-mm solitary multiloculated mass shadow in the left lower lobe mimicking lung adenocarcinoma. On computed tomography, the mass resembled a lotus torus. A transbronchial lung biopsy and mediastinal lymph node biopsy led to the diagnosis of sarcoidosis. This lotus torus-like mass regressed spontaneously. This is the second reported case of pulmonary cavitary sarcoidosis with a 'lotus torus-like' appearance. We propose several findings regarding the lotus torus-like appearance by comparing the findings to those of lung adenocarcinoma. Knowledge of this unique sign may be helpful for the differential diagnosis of pulmonary sarcoidosis from lung adenocarcinoma.

Topics: Adenocarcinoma; Adenocarcinoma of Lung; Adult; Biopsy; Diagnosis, Differential; Female; Humans; Lotus; Lung Neoplasms; Sarcoidosis, Pulmonary; Tomography, X-Ray Computed