Idiopathic pulmonary fibrosis associated with rectal carcinoma--a paraneoplastic syndrome or coincidence?
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Updated: Aug 14, 2026
Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Y S Haviv1, M R Kramer, R Safadi
1Division of Medicine and Institute of Pulmonology, Hadassah Hebrew University Medical Center, Jerusalem, Israel.
Abstract:
The association between lung cancer and idiopathic pulmonary fibrosis (IPF) is well documented, complicating > or = 10% of cases involving IPF. This association is considered to be a result of neoplastic degeneration, rather than a paraneoplastic phenomenon. However, rectal carcinoma has only rarely been linked to paraneoplastic manifestations. We describe a young patient with IPF that preceded the appearance of rectal carcinoma by 6 mo. The possible association between the two disorders is discussed.
