Tuberc Respir Dis > Volume 65(4); 2008 > Article
Tuberculosis and Respiratory Diseases 2008;65(4):313-317.
DOI:    Published online October 1, 2008.
A Case of Endobronchial Lipoma Causing Right Middle and Lower Lobes Collapse and Bronchiolitis Obliterans-organizing Pneumonia.
Ji Young Son, Ji Ye Jung, You Jung Ha, Soo Jung Hong, Min Kyu Jung, Moon Jae Chung, Yong Sung Seo, Ji Ae Moon, Min Kwang Byun, Byung Hoon Park, Jin Wook Moon, Moo Suk Park, Young Sam Kim, Joon Chang, Sang Kyum Kim, Kyung Young Chung, Se Kyu Kim
1Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
2The Institute of Chest Diseases, Yonsei University College of Medicine, Seoul, Korea.
3Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.
4Department of Cardiovascular and Thoracic Surgery, Yonsei University College of Medicine, Seoul, Korea.
Lipoma is a common neoplasm in soft tissues. However, an intrapulmonary lipoma is a rare benign tumor. Patients with a bronchial lipoma might have a malignant potential related to their smoking history due to the case reports of lung cancer accompanied with lipoma. Endobronchial lipoma can cause irreversible parenchymal lung damage if not diagnosed and treated early. Therefore, it should initially be treated by fiberoptic bronchoscopy or surgery depending on the status of distal parenchymal lung damage. Bronchiolitis obliterans with organizing pneumonia (BOOP) is a pathological syndrome that is defined by the presence of buds of granulation tissue consisting of fibroblasts and collagen within the lumen of the distal air spaces. BOOP is caused by drug intoxication, connective tissue disease, infection, obstructive pneumonia, tumors, or an unknown etiology. We encountered a 58 year-old male patient with endobronchial lipoma, causing the collapse of the right middle and lower lobes, and BOOP due to obstructive pneumonia.
Key Words: Endobronchial lipoma, Bronchiolitis obliterans-organizing pneumonia

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