The identification of honeycombing on HRCT leads to the diagnosis of definite UIP pattern.



Honeycombing is an “appearance pattern” on HRCT. By itself, it cannot support a radiological diagnosis of a definite UIP pattern. It must be combined with a specific distribution pattern, i.e. subpleural and bibasilar.

Raghu G et al. Am J Respir Crit Care Med 2011;183:788–824.