The second child of a 37-...

The second child of a 37-year-old woman with persistent high blood pressure and no relevant family history was a female infant born at 38 weeks—eutocic, straightforward delivery with an Apgar score of 9/10/10. Birth weight (P50) was 3185g, length (P15–50), and head circumference (P15–50) was 47,5cm (P50). Right thoracic asymmetry and an axillary pterygium associated with pectoralis muscle agenesis were discovered during a physical examination at 15 hours of birth (figure 1), which was later verified by ultrasonography. She was released after 48 hours of life, with a multidisciplinary team continuing to monitor her daily (physiatry, plastic surgery and pneumology). At 22 months, thoracic asymmetry, diminished subcutaneous fat on the right side, and axillary pterygium (figure 2). The sternoclavicular component of the pectoralis major muscle, which conditions the tendinous axillary band, was still present, according to an ultrasound study.