Klinefelter Syndrome in a 20-Year-Old Man
A photo shows a 20-year old male patient, approximately 5.7 feet tall, absence of body hair, small penis, and triangular pubic hair pattern.
Klinefelter syndrome in a 20-year-old man. Note relatively increased lower/upper body segment ratio, gynecomastia, small penis, and sparse body hair with a female pubic hair pattern. (Reproduced, with permission, from Greenspan FS, Strewler GJ [editors]. Basic & Clinical Endocrinology, 5th ed. Copyright © 1997 by The McGraw-Hill Companies, Inc.)