Honeycombing

Honeycombing describes a pattern, seen on chest CT scans or in lung tissue, where destroyed and scarred lung takes on clustered small cystic air spaces with thick walls, resembling a honeycomb. It is a sign of advanced, irreversible lung scarring (fibrosis). In asbestos disease it can appear in the later stages of asbestosis.

Origin

The term comes from the visual resemblance to the hexagonal cells of a beehive's honeycomb. It has been used in radiology and pathology since the mid-twentieth century to describe end-stage fibrotic lung.

Significance in Asbestos Context

For a patient, honeycombing on a CT scan signals that lung scarring has reached an advanced, permanent stage, which affects breathing capacity, prognosis, and treatment options. When it appears alongside a history of asbestos exposure and findings like pleural plaques, it supports a diagnosis of asbestosis rather than another cause of fibrosis. Because honeycombing also occurs in other diseases such as idiopathic pulmonary fibrosis, your doctors weigh the whole picture, including your exposure history, the distribution of scarring, and pleural changes. The imaging report describing honeycombing can be important documentation for a claim.

Example Sentence

The radiologist noted subpleural honeycombing in both lower lung zones, consistent with the patient's long history of asbestos exposure.

Related Terms

Asbestosis, Pulmonary Fibrosis, Pleural Plaques, High-Resolution CT, Interstitial Lung Disease

Notes

• Request copies of your CT scans and the radiologist's reports, which often mention honeycombing specifically.
• Ask whether high-resolution CT (HRCT) was used, as it shows honeycombing best.
• The pattern and location of fibrosis help distinguish asbestosis from other fibrotic diseases.