Key result
Medical thoracoscopy successfully facilitated the diagnosis of primary pleural angiosarcoma in a patient presenting with a rare haemorrhagic malignant pleural effusion.
Why the study?
Primary pleural angiosarcoma is a rare and challenging tumour to diagnose, often mistaken for other malignancies such as mesothelioma and lung cancer due to overlapping clinical and imaging features.
Case Report (n=1)
No
Medical thoracoscopy is a valuable and safe alternative to VATS for diagnosing rare pleural malignancies like primary pleural angiosarcoma.
Answers are grounded in this paper and cite their sources.
MT may aid PPA diagnosis in atypical effusions; leaves open validation in larger pleural cohorts.
Primary pleural angiosarcoma (PPA) is a rare and challenging tumour to diagnose, often mistaken for other malignancies such as mesothelioma and lung cancer due to overlapping clinical and imaging features. We report a 52-year-old woman who presented with progressive shortness of breath and pleuritic chest pain. Imaging studies and thoracentesis revealed a large haemorrhagic left pleural effusion. Medical thoracoscopy (MT) showed a thickened and lobulated parietal pleura with multiple nodular lesions. Histopathological examination confirmed a diagnosis of angiosarcoma, characterized by pleomorphic tumour cells, a high Ki67 proliferation index and positive immunohistochemical markers, including CD31, D2-40, Vimentin, and Factor VIII. Tragically, the patient developed a hospital-acquired infection and passed away before any definitive treatment for the angiosarcoma could be initiated. This case underscores the diagnostic complexities of PPA and highlights the utility of MT in identifying this rare malignancy.
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Chong et al. (2024) conducted a case report in Primary pleural angiosarcoma (n=1). Medical thoracoscopy was evaluated on Diagnosis of primary pleural angiosarcoma. Medical thoracoscopy successfully facilitated the diagnosis of primary pleural angiosarcoma in a patient presenting with a rare haemorrhagic malignant pleural effusion.
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