CHEST WALL DEFORMITY

Child Chest Wall Deformity: Pectus Excavatum, Carinatum, Asymmetry and Scoliosis

“Abnormal chest shape” is a description, not one diagnosis. A depression, protrusion, rib prominence or uneven shoulders can have different causes.

Dr. Marco Ha

· author and medical reviewer

Paediatric surgery, trauma surgery, hyperbaric and diving medicine · Last medically reviewed

Direct answer

Child Chest Wall Deformity: Pectus Excavatum, Carinatum, Asymmetry and Scoliosis

What should parents do after a school exam identifies an abnormal chest shape? Learn how pectus deformities, asymmetry and scoliosis are assessed.

The full guide below explains assessment, options and warning signs. Online information cannot replace an examination.

Common chest-wall appearances

A central or asymmetric depression may be pectus excavatum.

A forward protrusion may be pectus carinatum.

One-sided rib prominence, uneven shoulders or trunk rotation may suggest scoliosis or chest rotation.

A painful, hard or newly appearing lump requires assessment for injury, infection or another lesion.

How the clinic assessment works

The doctor examines the chest from several views and may assess flexibility, the spine, breathing and exercise symptoms. X-rays, chest imaging, cardiopulmonary tests or orthopedic review are ordered only when relevant.

When should evaluation be earlier?

Rapid progression, chest pain, breathlessness, fainting, reduced endurance, marked asymmetry, night pain or major bullying/body-image distress should not wait for the next routine school examination.

Should parents arrange CT before the visit?

Usually not. Clinical assessment should determine which imaging will change management and avoid unnecessary radiation or duplicate testing.

Tests and treatment must be individualized to age, symptoms and examination. This article does not replace a consultation.

Route by the direction of the chest shape first

  • Inward depression: possible excavatum; review growth and symptoms, then use the pectus excavatum hub.
  • Forward projection: possible carinatum; flexibility and bracing adherence matter, so use the carinatum guide.
  • One-sided prominence or rotation: assess posture, ribs, scoliosis, and mixed chest-wall patterns together.

The first visit should establish the diagnosis and next question

The clinician compares the chest and spine from several views, asks about growth and exertional symptoms, and then decides whether imaging or referral is useful. This is why families should not routinely arrange CT first: different shapes require different questions.

When should symptoms be separated from chest shape?

Sudden severe chest pain, breathing difficulty, fainting, cyanosis, or near-fainting during exercise requires prompt assessment for acute cardiopulmonary disease rather than waiting for a routine chest-wall visit.

Related guide: After identifying the type of chest-wall difference, families dealing with pectus excavatum can read Does pectus excavatum always need surgery?

Frequently asked questions

Is every asymmetric chest pectus excavatum?

No. Carinatum, scoliosis, posture and rib shape can also cause asymmetry.

Should we see pediatric surgery or orthopedics?

Chest-wall depression or protrusion can start with pediatric surgery; obvious spinal curvature may need combined review.

References and source topics

Original educational content based on publicly available professional guidance. It does not replace clinical examination.

How sources are selected, reviewed and corrected: medical editorial and source policy.

Cartoon portrait of Dr. Marco Ha
Author: Dr. Marco Ha

Pediatric surgery, trauma surgery and hyperbaric medicine. Last updated: October 3, 2026.

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