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Definition / generalCite this page: Al-Hussain T. De la Chapelle. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/testisdelachapelle.html. Accessed January 18th, 2021.
Definition / general
- Small stature (smaller than Klinefelter), sparse pubic and facial hair, occasional gynecomastia, possibly reduced size of testes, prostate, penis
- High FSH and LH, low testosterone, invariably sterile
- May be due to XXY with loss or translocation of Y during development, hiostologic features of testis closely resemble those in Klinefelter snydrome