Abstract

Primary pulmonary angiosarcoma (PPA) is a rare tumour arising from arterial or venous pulmonary vessels of various size. It is characterized by aggressive course and poor prognosis. The early diagnosis is difficult due to diverse clinical and radiological manifestations. We present a case report of 70 year-old man, active cigarette-smoker, with a 2-month history of non-massive hemoptysis. The thorax CT revealed several solid pulmonary nodules surrounded by areas of ground glass opacity. As bronchoscopy failed to deliver adequate tissue samples, video assisted thoracic surgery (VATS) with pleura and lung biopsy was necessary. Histopathological findings were consistent with pulmonary angiosarcoma. Since no extrapulmonary lesions were demonstrated, the final diagnosis of primary pulmonary angiosarcoma was made. The patient died three months after the onset of symptoms. Our case report highlights that differential diagnosis in patients with hemoptysis and pulmonary nodules should include primary pulmonary sarcoma.

Highlights

  • The immunohistochemical analysis of the neoplasm revealed weak and focal reactivity with anti-CD31 (JC70, Cell Marque, CM) and Factor VIII (polyclonal, CM) antibody and strong and diffuse expression of vimentin (V9, Ventana Medical Systems Inc, VMS), WT-1 (6F-H2, CM) and FLI-1 (MRQ1, CM) (Fig. 3)

  • A 70-year-old man was referred to our department from one of municipal hospitals in January 2016 with a 2-month history of non-massive hemoptysis

  • During the hospitalisation in the municipal hospital two pulmonary nodules in the left lower lobe were found in chest radiograph

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Summary

Introduction

The immunohistochemical analysis of the neoplasm revealed weak and focal reactivity with anti-CD31 (JC70, Cell Marque, CM) and Factor VIII (polyclonal, CM) antibody and strong and diffuse expression of vimentin (V9, Ventana Medical Systems Inc, VMS), WT-1 (6F-H2, CM) and FLI-1 (MRQ1, CM) (Fig. 3). Differential diagnosis included epithelioid malignant melanoma, epithelioid malignant mesothelioma and non-small cell lung carcinoma. Follow-up chest X-ray showed the progression of parenchymal lesions in the left lung and increased volume of pleural effusion in the left pleural space (Fig. 4).

Results
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