Yes. There's a 40% risk of altered gonads becoming malignant. This can occur in childhood or early adolescence, even before the syndrome is diagnosed.
The most common tumors are gonadoblastoma and dysgerminomas.
Read the full article on: Swyer’s syndrome: causes, symptoms and possibility of pregnancy ( 47).

Marta Barranquero Gómez
B.Sc., M.Sc.
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).
License: 3316-CV