Congenital Breast Differences

Congenital Breast Deformities: Correction and Reconstruction

Some breasts develop differently from birth or during puberty — narrow and constricted, much smaller on one side, or almost absent. These are reconstructive problems, and they can be corrected with the same techniques used in breast reconstruction.

Medically reviewed by Dr. Fatih KılıçUpdated 6 November 20263 min read

What are congenital breast deformities?

Congenital breast deformities are differences in breast development that are present from birth or become visible during puberty. They are not caused by illness or injury, and they are more common than many women realise. The most frequent are:

  1. Tuberous breast — a narrow, constricted breast base with a high fold and an enlarged, protruding areola.
  2. Poland syndrome — absence of part of the chest muscle on one side, often with an underdeveloped breast and nipple.
  3. Breast asymmetry and hypoplasia — a clear difference in size or shape between the breasts, or breasts that did not develop.
  4. Amastia and athelia — rare absence of breast tissue or of the nipple.
Common congenital breast differencesThree front views: tuberous breasts with narrow bases and enlarged areolas, Poland syndrome with a missing chest muscle and underdeveloped breast on one side, and asymmetry with one smaller breast. Tuberous breastPoland syndromeAsymmetry / underdevelopment
Figure 1The three most common congenital breast differences: tuberous breasts, Poland syndrome and asymmetry.

Why correction matters

These differences often become noticeable at a sensitive age and can affect self-confidence, clothing choices and relationships. Correction is a reconstructive operation: its aim is to create a balanced, natural breast shape, not simply to enlarge the breasts.

Breast asymmetry correctionTwo breasts of clearly different size and shape, compared with a balanced result after enlarging the smaller side and adjusting the larger side. SMALLER, UNDERDEVELOPED SIDELARGER SIDE SIZE, SHAPE AND NIPPLE LEVEL MATCHEDBreast asymmetryBalanced result
  1. Smaller, underdeveloped side
  2. Larger side
  3. Size, shape and nipple level matched
Figure 2The aim of correction is a balanced pair of breasts, not simply larger breasts.
Two women embracing each other
Reconstruction affects more than the body; support from loved ones matters.

When can correction be performed?

Surgery is usually planned once breast development is complete — generally from the late teens. Earlier staged treatment, such as a tissue expander, may be considered in selected cases of severe asymmetry. Adults of any age can be treated.

  1. 01Common typesTuberous · Poland · Asymmetry
  2. 02Typical timingAfter breast development
  3. 03Stages1–3 depending on severity
  4. 04Stay in IstanbulAbout 7–14 days
Figure 3Congenital breast correction at a glance.

Techniques used

  • Release of a constricted breast base and lowering of the breast fold
  • Silicone implants or a temporary tissue expander
  • Fat grafting to add volume and soften contour
  • Latissimus dorsi muscle transfer to replace missing chest muscle
  • Areola reduction and nipple reconstruction
  • Lift or reduction of the opposite breast for symmetry
Tuberous breast correctionA tuberous breast with a narrow constricted base, high fold and enlarged areola, compared with the shape after release of the constriction, lowering of the fold and areola reduction. NARROW, CONSTRICTED BASEENLARGED, HERNIATED AREOLA RELEASED BASE, LOWERED FOLDTuberous breastAfter correction
  1. Narrow, constricted base
  2. Enlarged, herniated areola
  3. Released base, lowered fold
Figure 4Example: a tuberous breast before and after release of the base, lowering of the fold and areola reduction.
A patient and doctor talking during a consultation
Every plan begins with an unhurried conversation about your history and goals.

Congenital breast deformity correction in Istanbul, Turkey

Women from abroad often travel to Istanbul for correction of tuberous breasts, Poland syndrome or marked asymmetry, because these operations are reconstructive and need a surgeon experienced in both implant and own-tissue techniques. Photographs from the front and both sides allow a first assessment before you travel.

Poland syndrome reconstructionOne side of the chest with an absent chest muscle and underdeveloped breast, compared with the result after staged reconstruction restoring breast volume and the front fold of the armpit. MISSING CHEST MUSCLEUNDERDEVELOPED BREAST & NIPPLE VOLUME & MUSCLE FOLD RESTOREDPoland syndromeAfter staged reconstruction
  1. Missing chest muscle
  2. Underdeveloped breast & nipple
  3. Volume & muscle fold restored
Figure 5Example: Poland syndrome before and after staged reconstruction of breast volume and the chest muscle fold.

Frequently asked questions

Is tuberous breast correction the same as breast augmentation?

No. Augmentation adds volume to a normally shaped breast. Tuberous breast correction releases the constricted base, lowers the fold and reshapes the areola — an implant or fat may be added as part of the reconstruction.

At what age can congenital breast deformities be corrected?

Usually once breast development is complete, typically from the late teens. Adults of any age can be treated.

Will one operation be enough?

Mild cases often need one operation. Poland syndrome and severe asymmetry are frequently corrected in stages.

Dr. Fatih Kılıç

Medically reviewed by Dr. Fatih Kılıç, Plastic, Reconstructive and Aesthetic Surgeon. This page is for general information and does not replace an individual consultation.

Further reading — independent sources

Information & application

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