A member asked:

Are there any differences between a barrel chest and pectus carinatum?

6 doctors weighed in across 3 answers

Yes: Barrel chest is an increase in the lateral (side) and front diameter of the chest. Pectus carinum is an outward bowing of the upper breastbone (also known as pigeon chest. Barrel chest is associated with COPD and pectus is usually from birth.

Answered 10/9/2019

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Dr. Creighton Wright answered

Specializes in surgery

Yes: Barrel implies total enlargement and rounded. Carinatum, - pigeon breast like a boat keel sticking out anteriorly. The rest of the chest may be normal size. Excavatum is the reversed appearance.

Answered 10/9/2019

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Yes: The heart may be compressed to various degrees in excavatum, not so much in carinatum.

Answered 5/23/2012

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