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病理学表现
含有无数厚纤维性壁的囊性气腔并已发生破坏和纤维化的肺组织，是各种肺病的晚期表现，伴腺泡结构的完全丧失。囊肿直径的大小自几毫米到几厘米，壁厚度不等，囊的内衬为化生细支气管上皮。Utc影像园XCTMR.com
X 线胸片和CT 表现
在X 线胸片上蜂窝的表现非常近似环影，典型的直径为3～10 mm，壁厚1～3 mm，类似蜂巢，所见提示为终末期肺病。在CT 上表现为成簇的囊状气腔，直径3～10 mm，但偶可达2．5 cm。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。因为常认为蜂窝对诊断肺纤维化有特异性，故其是诊断寻常性间质性肺炎的重要标准，但对该术语的应用要慎重，因为它可能直接影响病人的治疗。
Pathology
Honeycombing represents destroyed and fibrotic lungtissue containing numerous cystic airspaces with thick fibrous walls,representing the late stage of various lung diseases, with completeloss of acinar architecture. The cysts range in size from a few millimetersto several centimeters in diameter, have variable wall thickness,and are lined by metaplastic bronchiolar epithelium.
Radiographs and CT scans
On chest radiographs, honeycombingappears as closely approximated ring shadows, typically 3–10mm in diameter with walls 1–3 mm in thickness, that resemblea honeycomb; the finding implies end-stage lung disease. On CT scans,the appearance is of clustered cystic air spaces, typically of comparablediameters on the order of 3–10 mm but occasionally as largeas 2.5 cm (Fig 1). Honeycombing is usually subpleural and is characterizedby well-defined walls . It is a CT feature of established pulmonaryfibrosis . Because honeycombing is often considered specific forpulmonary fibrosis and is an important criterion in the diagnosisof usual interstitial pneumonia , the term should be used withcare, as it may directly impact patient care.
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