10 Chest Wall Visual Changes Associated With Respiratory and Cardiac Conditions

2. Pectus Deformities - Congenital Chest Wall Malformations

Pectus deformities represent congenital chest wall malformations that can significantly impact both respiratory and cardiac function while creating distinctive visual appearances. Pectus excavatum, commonly known as "funnel chest," is characterized by an inward depression of the sternum and adjacent costal cartilages, creating a concave appearance of the anterior chest wall. This condition affects approximately 1 in 400 births and can range from mild cosmetic concerns to severe deformities that compress underlying cardiac and pulmonary structures. Conversely, pectus carinatum, or "pigeon chest," presents as an outward protrusion of the sternum and costal cartilages, creating a prominent, keel-like appearance of the anterior chest. Both conditions can lead to reduced lung capacity, altered cardiac positioning, and in severe cases, significant functional impairment. The visual impact of pectus deformities extends beyond mere cosmetic concerns, as these malformations can cause exercise intolerance, chest pain, and psychological distress in affected individuals. Surgical correction may be indicated for severe cases, particularly when functional impairment is documented through pulmonary function testing and cardiac imaging. Understanding the spectrum of pectus deformities enables healthcare providers to recognize when referral for specialized evaluation and potential intervention is warranted, ultimately improving both functional outcomes and quality of life for affected patients.