The juxtaposition of numerous cystic airways may make the distinction from "pure" fibrotic honeycombing difficult.

无数并列的囊状气道可能与“单纯”的纤维性蜂窝难以鉴别。

Honeycombing is usually subpleural and is characterized by well-defined walls. It is a ct feature of established pulmonary fibrosis.

蜂窝常位于胸膜下，有清楚的壁为其特征，它是一种可确定为肺纤维化的CT征象。