Most teens with gynecomastia don’t need hormone lab tests

Routine assessment by an endocrinologist and laboratory tests to measure hormone levels aren’t necessary in most adolescent boys with gynecomastia (male breast enlargement), concludes a study in the July issue of Plastic and Reconstructive Surgery, the official medical journal of the American Society of Plastic Surgeons (ASPS).

The cause of adolescent gynecomastia can usually be identified without endocrine testing, according to the study by Jugpal S. Arneja, MD, MBA, and colleagues of University of British Columbia, Vancouver, Canada. They propose an “evidence-based rationale for evaluation and workup” for the distressing problem of breast enlargement in adolescent males—including referral for male breast reduction surgery if the problem persists beyond age 16.

Lab Tests Contribute Little to Gynecomastia Diagnosis and Treatment in Teens

The researchers analyzed 197 adolescents with gynecomastia seen at British Columbia Children’s Hospital from 1990 through 2015. Although adolescent…

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