Primary pulmonary angiosarcoma mimicking acute interstitial pneumonia – a diagnostic challenge: A case report

Presented case cautions that PPA should be considered in patient with hemoptysis, negative bronchoscopy and non-characteristic radiological findings. When the disease is suspected, biopsy and microscopic examination should be implemented to confirm the diagnosis as soon as possible and apply timely treatment. Moreover, due to the small number of PPA cases there is no standard diagnostic and treatment protocol available. Thus, further investigations and sharing experiences, may aid better understanding of this malignancy and lead to improvement in patients' survival.