Korean J Perinatol.  2015 Dec;26(4):352-354. 10.14734/kjp.2015.26.4.352.

Poland Syndrome in One Dizygotic Twin: A Case Report

• Yoo WH
• Bae MH
• Han YM
• Byun SY
• Park KH

• KMID: 2164192
• DOI: http://doi.org/10.14734/kjp.2015.26.4.352

Abstract

Poland syndrome, also known as pectoral aplasia-dysdactylia syndrome, is a rare anomaly, characterized by aplasia of the pectoralis major muscle with ipsilateral upper extremity anomalies. The cause of Poland syndrome is still unknown. Several twin patients were reported to propose a genetic or nongenetic hypothesis. We experienced a female baby showing absence of the pectoralis major muscle in a pair of mixed twin. The patient was referred to our hospital for evaluation of an asymmetric chest wall. She showed depression of the left chest wall, ipsilateral nipple hypoplasia, and axillary webbing. A chest CT scan showed aplasia of the left large pectoral muscle. Our patient had no abnormalities such as symbrachydactyly in an ipsilateral upper extremity. In comparison, a physical examination showed that the fraternal twin boy was completely normal.

Keyword

Poland Syndrome; Pectoralis Muscle Absence; Twin; Dizygotic

MeSH Terms

Depression
Female
Humans
Male
Nipples
Physical Examination
Poland Syndrome*
Poland*
Thoracic Wall
Tomography, X-Ray Computed
Twins
Twins, Dizygotic*
Upper Extremity

Figure

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  Fig. 1. The patient showed depression of the chest wall, ipsilateral nipple hypoplasia and an axillary webbing.

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  Fig. 2. A chest CT scan showed aplasia of the left large pectoralis muscle (arrow).

Reference

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