Introduction: Pulmonary artery aneurysm (PAA) is a rare disorder. The pathophysiology of PAA was varies. Radiological modalities was very important due to an atypical clinical manifestations. Diagnosis approach of PAA is very important to avoid miss diagnosis and miss treatment. Case: A 51-year-old female patient came with chief complaints of shortness of breath since 5 years ago that was worsen 2 days before being admitted to emergency room. The complaints was felt throughout the day, that usually only appears if she did heavy activity due to history of chronic heart failure (CHF). Patient had a history of uncontrolled hypertension for years that leads to renal failure and CHF. A post pleural effusion evacuation Chest X-Ray evaluation revealed a well-defined but partially lobulated consolidation that is suspected as a lung mass. A CT scan with contrast showed a pulmonary aneurysm. A Doppler ultrasound revealed a pulmonary artery aneurysm showed by the turbulence of vascular flow. The patient got conservative oral therapy and monitoring for signs of aneurysm complications while waiting for the patient's agreement to be referred to tertiary hospital for CTPA (Computed Tomography Pulmonary Angiography) which is the gold standard on diagnosed PAA. Conclusion: PAA is a rare cardiovascular disorder with atypical clinical manifestations. Radiological examinations such as Doppler ultrasound, Trans Thoracic Echocardiography and Computed Tomography could be done for diagnostic approach of PAA in the hospital with limitation of radiologic modality. Diagnosis of PAA should be considered in the differential diagnosis of a pulmonary nodule or mass.

diagnostic approach

pulmonary mass

pulmonary artery aneurysm