Malignancy in a massive localized fibrous tumour of pleura.

Localized fibrous tumour of pleura is a rare condition. Most follow a benign course and are an incidental finding during routine chest X-ray. A small proportion of these tumours are malignant and have characteristic clinical and histopathological features. This case report is of a 65 year old woman who presented with respiratory symptoms and polyarthropathy, and had a subsequent resection of a massive pleural tumour with features suggestive of malignancy.