Question 1578

Question contributed by Tim Luijkx

Disclosures and question data

In which scenarios is a lung biopsy not required for a confident diagnosis of idiopathic pulmonary fibrosis (IPF)?

any HRCT demonstrating honeycombing without criteria consistent with a non-IPF diagnosis

any HRCT demonstrating typical or probable UIP pattern

any HRCT demonstrating typical UIP pattern or any HRCT demonstrating probable UIP pattern in patients with a high clinical pretest likelihood of IPF

a confident diagnosis of IPF always requires lung biopsy