Endobronchial lipoma: review of 64 cases reported in Japan. 2003

Masashi Muraoka, and Tadayuki Oka, and Shinji Akamine, and Takeshi Nagayasu, and Masachika Iseki, and Naofumi Suyama, and Hiroyoshi Ayabe
First Department of Surgery, Nagasaki University School of Medicine, Nagasaki, Japan. ceb17760@hkg.odn.ne.jp

BACKGROUND Several recent studies discuss bronchoscopic techniques for treating endobronchial lipoma, an extremely rare benign tumor. OBJECTIVE To describe the epidemiology of endobronchial lipoma and to propose appropriate therapeutic policies for treating this tumor. METHODS We reviewed 64 cases of endobronchial lipoma: 33 cases previously reported in 30 different articles, and 31 case reports presented at thoracic meetings in Japan. RESULTS Of the 64 patients included in this study (50 male and 14 female; mean age, 60 years), 40 patients had endobronchial lipoma in the right lung and 23 patients had it in the left lung. The overwhelming majority of the tumors (n = 61) were found in the first three subdivisions of the tracheobronchial tree. Forty-eight patients (75%) were symptomatic, and their symptoms included cough, sputum, hemoptysis, elevated temperature, and dyspnea. Additionally, abnormal radiographic findings were reported for 51 patients (80%): 18 patients had atelectasis, 14 patients had infiltration or consolidation, 6 patients showed volume loss of the lung, and mass shadow was identified in 9 patients, and another abnormality including pleural effusion was found in 4 patients. Forty patients underwent surgical resection: 4 pneumonectomies, 24 lobectomies, 8 bilobectomies, and 4 resections by bronchotomy. Bronchoscopic resection was carried out in 17 cases: 7 cases by Nd-YAG laser, 5 cases by electrosurgical snaring forceps, and another 5 cases with a combined therapy using both procedures. CONCLUSIONS Bronchoscopic resection should be considered as the first choice of treatment for endobronchial lipoma; however, surgical therapy is indicated for patients who show the possibility of a complicated malignant tumor, who have destructive peripheral lung disease, who have extrabronchial growth, or who may have technical difficulties during the bronchoscopic procedure.

UI MeSH Term Description Entries
D007564 Japan A country in eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The capital is Tokyo. Bonin Islands
D008067 Lipoma A benign tumor composed of fat cells (ADIPOCYTES). It can be surrounded by a thin layer of connective tissue (encapsulated), or diffuse without the capsule. Fatty Tumor,Hibernoma,Lipoma, Pleomorphic,Atypical Lipoma,Lipomata,Lipomatosis, Multiple,Atypical Lipomas,Fatty Tumors,Hibernomas,Lipoma, Atypical,Lipomas,Lipomas, Atypical,Lipomas, Pleomorphic,Lipomatas,Lipomatoses, Multiple,Multiple Lipomatoses,Multiple Lipomatosis,Pleomorphic Lipoma,Pleomorphic Lipomas,Tumor, Fatty,Tumors, Fatty
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001984 Bronchial Neoplasms Tumors or cancer of the BRONCHI. Neoplasms, Bronchial,Bronchial Neoplasm,Neoplasm, Bronchial
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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