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[Clinical analysis of 5 cases of endobronchial hamartoma]

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases | 12 Jan 2019

ZZ Wang, D Li, J Li, Y Gao, XF Zhang and S Liu
Abstract
Objective: To analyze the clinical manifestations of patients with endobronchial hamartoma(EH),and therefore to improve understanding of the disease. Methods: Data were retrospectively reviewed to describe the clinical characteristics, diagnosis procedures and prognosis of EH, including 5 patients in Beijing Anzhen Hospital, Capital Medical University from Jun 2007 to Feb 2018 and another 159 patients from Chinese and English literatures published after Jan 2000. Results: The five patients, 4 males and 1 female, aged from 46 to 69 years[mean (56±7) years], were diagnosed with EH in our hospital. There was no fever in the 5 cases, cough and expectoration in 4 cases, hemoptysis in 3 cases and asymptomatic in 1 case. Chest CT revealed that the lesions of all 5 cases were located in the right bronchial tube; 3 as high-density endobronchial mass, 1 as low-density mass, 1 as mixed density mass, and 1 as a “popcorn” lesion. Three cases were accompanied by obstructive pneumonia in the distal part of the EH and 2 cases by atelectasis. CT enhanced scan was performed in 5 cases, 2 showing no enhancement and 3 showing mild enhancement. Four cases showed polyposis under bronchoscopy, and 5 cases received bronchoscopic biopsy with 3 pathologically diagnosed as EH. Four of them received lobectomy, while 1 received removal by biopsy forceps, and all were pathologically confirmed as EH. There was no evidence of recurrence in these 5 patents with follow-up. Conclusions: EH was a rare benign bronchial tumor with nonspecific clinical and imaging manifestations. Endobronchial polyposis could be revealed by bronchoscopy, and pathological study is required to confirm the diagnosis.
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