© 2003 BMJ Publishing Group Ltd & British Thoracic Society
IMAGES IN THORAX
Calcifying fibrous pseudotumour of the lung
Vancouver General Hospital, Vancouver, Canada V5Z 1M9
Correspondence to:
Correspondence to:
Dr J Mayo
Vancouver General Hospital, 899 West 12th Avenue, Vancouver, Canada V5Z 1M9; jmayo@vanhosp.bc.ca
| The first 150 words of the full text of this article appear below. |
A 2.5 cm mass abutting the right hilum was found on an employment screening chest radiograph in a 31 year old asymptomatic man (fig 1
). Chest CT scans with and without contrast showed a non-enhancing soft tissue mass with no fat or calcification (fig 2
). T2 weighted MR images excluded a cystic fluid collection. At 6 month follow up a repeat CT scan showed a 4 mm increase in size and a right middle lobectomy was performed.
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[in a new window] Figure 1 PA chest radiograph showing a well circumscribed mass abutting the right hilum.
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[in a new window] Figure 2 CT scan of the chest showing a sharply circumscribed homogenous soft tissue attenuation mass within the right middle lobe.
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Grossly the lung section showed a firm tan well circumscribed mass 2.7 cm in diameter situated in the lung parenchyma without any connection to the pleura (fig 3
). Microscopically the lesion was composed of abundant dense hyalinised collagen associated
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