BACKGROUND: Pulmonary hamartoma is one of the most common benign tumors of the lung, the symptoms are often atypical, so its

 

Abstract

BACKGROUND: Pulmonary hamartoma is one of the most common benign tumors of the lung, the symptoms are often atypical, so its diagnosis is not so easy. We presented an elderly man with elevated D-dimer combined persistent acupuncture-like chest pain misdiagnosed as pulmonary embolism finally proved as lung hamartoma with secondary lung infection by bronchoscopy biopsy.

METHODS: Appropriate laboratory tests were carried out. The chest computed tomography (CT) scan and bronchoscopy were performed for diagnosis.

RESULTS: Laboratory tests showed D-dimer was 2,615.88 ng/mL, the chest CT scan showed the right lung portal occupying lesions accompanied by obstructive changes in the middle of the right lung and mediastinal lymphade-nopathy with partial calcification. Bronchoscopy showed the new spherical neoplasm in the middle of the right lung completely blocked the opening of the bronchus, the surface of the neoplasm was smooth and blood vessels were abundant, pathological result was lung hamartoma.

CONCLUSIONS: Elevated D-dimer is not a specific index of pulmonary embolism. When a patient's D-dimer rise combined with severe chest pain, the physician should be wary of pulmonary embolism, myocardial infarction, aortic dissection, and other emergencies, and should also take into account serious infections, tumors, and other diseases. Diagnosis needs further related examination. Chest CT scan has guidance function, and when the chest CT scan suggests the occupying lesion, the pathology examination is the key to identify the benign tumor.

PMID: 31532091 [PubMed - indexed for MEDLINE]

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