December 2020 in “Skin appendage disorders” This study describes a 17-year-old male with Klinefelter syndrome who developed androgenetic alopecia and showed a good response to treatment with oral minoxidil, finasteride, and low-level light therapy.
October 2025 in “Journal of the Endocrine Society” This report highlights that Klinefelter syndrome is often underdiagnosed due to phenotypic variability and emphasizes the importance of thorough physical examinations to improve diagnostic timing.
March 2021 in “AACE clinical case reports” This case study reports a rare combination of primary hyperparathyroidism with Klinefelter syndrome in a 44-year-old male, highlighting an unusual KS mosaicism with a mild phenotype.
April 2019 in “Journal of the Endocrine Society” This case report described a 39-year-old male with 47XXY/46XX mosaic Klinefelter syndrome who presented with common features of the condition and male pattern baldness seen in his family.
February 2009 in “Journal of The American Academy of Dermatology” A man with Klinefelter syndrome had a leg ulcer that didn't heal well, even with treatment.