| Clinical Analysis of Pulmonary Hamartoma: 29 Cases. |
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Sang Haak Lee, Hyung Kyu Yoon, So Hyang Song, Sook Young Lee, Seok Chan Kim, Joong Hyun Ahn, Young Mi Choi, Chi Hong Kim, Soon Seog Kwon, Young Kyoon Kim, Kwan Hyoung Kim, Hwa Sik Moon, Jeong Sup Song, Sung Hak Park, Kyo Young Lee |
1Department of Internal Medicine, The Catholic University of Korea, College of Medicine, Seoul, Korea. cmcpsh@catholic.ac.kr
2Department of Clinical Pathology, The Catholic University of Korea, College of Medicine, Seoul, Korea. |
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| Abstract |
BACKGROUND
Pulmonary hamartomas are the most common form of benign tumors, occurring in approximately 0.2% of routine autopsies. However, only a few reports on the clinical characteristics of pulmonary hamartoma in Korea have been published. METHODS: The charts, X-rays and pathological specimens of 29 pulmonary hamartoma patients who were diagnosed by a pathological examination from 1990 to 1999 at the Catholic Medical Center were retrospectively reviewed. RESULTS: The peak incidence of the tumor occurred in the sixth decade of life (37.5%). Seventeen patients (58.6%) were asymptomatic and 12 patients (41.4%) had symptoms. Chest discomfort was the most common symptom (31.0%). A total of 25 tumors (86.2%) were parenchymal, and 4 (13.8%) were endobronchial. Twenty cases were in the right lung and 9 cases were in the left lung (approximately 1:2.2). The RLL was the most commonly involved lobe (31.0%). Calcification was noted in 5 cases (19.2%) on a plain X-ray and in 5 cases (29.4%) on chest CT. Accompanied neoplasms were observed in 2 cases. Twenty-four hamartomas (82.8%) were diagnosed by a surgical resection and 4 cases (13.8%) were diagnosed by a fine needle aspiration biopsy. Twenty-six hamartomas (89.7%) were managed by a surgical resection. The follow up ranged from 4 to 55 months (mean, 19.6 months) and no recurrent pulmonary hamartomas were noted. CONCLUSION: Pulmonary hamartoma is more common in females and more commonly involved in the right lung. Calcification was noted only in 19.2% on a plain chest X-ray and 29.4% on a chest CT. No recurrent hamartomas had developed during the follow up period. |
| Key Words:
Hamartoma, Pulmonary neoplasm |
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