Van Wyk and Grumbach syndrome

== English == === Etymology === Described in 1960 by Van Wyk and Melvin M. Grumbach. === Noun === Van Wyk and Grumbach syndrome (uncountable) A medical condition involving hypothyroidism, precocious puberty (with delayed bone age and lack of pubic hair), and ovarian cysts in pre- and post-pubertal girls or macroorchidism in boys.