11 September 2014 : Case report
Endobronchial Hamartoma as a Cause of Pneumonia
Unusual clinical course, Challenging differential diagnosis, Unusual setting of medical care
Tsuyoshi OgumaABCDEF, Hiroto TakiguchiBE, Kyoko NiimiE, Hiromi TomomatsuBE, Katsuyoshi TomomatsuE, Naoki HayamaE, Takuya AokiE, Tetsuya UranoE, Natsuko NakanoBCE, Go OguraCDE, Tomoki NakagawaBC, Ryota MasudaBC, Masayuki IwazakiBC, Tadashi AbeE, Koichiro AsanoACDEFDOI: 10.12659/AJCR.890869
Am J Case Rep 2014; 15:388-392
Abstract
BACKGROUND: Post-obstructive pneumonia occurs in the presence of airway obstruction, usually caused by lung cancer. However, there are cases of bronchial obstruction due to benign origin such as foreign bodies and benign endobronchial tumors, which are often misdiagnosed.
CASE REPORT: A 66-year-old man was referred to our hospital due to high fever with abnormal shadow in the right lung. Chest computed tomography after a course of antibiotic treatment showed an intra-bronchial tumor obstructing the right upper bronchus. Part of the tumor was removed with flexible bronchoscopy, and histopathological examination revealed cartilage tissue but not fat or other components. Lobectomy of the right upper lobe of the lung was performed to make a definite diagnosis and prevent recurrent obstructive pneumonia. The resected tumor contained mature cartilage and fat tissues, and was diagnosed as endobronchial hamartoma.
CONCLUSIONS: Benign endobronchial tumors such as hamartomas should be considered in the differential diagnosis of post-obstructive pneumonia.
Keywords: Biopsy, Bronchial Diseases - diagnosis, Bronchoscopy, Diagnosis, Differential, Hamartoma - diagnosis, Pneumonia - etiology, Tomography, X-Ray Computed
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