The present report describes a successful intracytoplasmic sperm injection (ICSI) procedure performed with immotile spermatozoa from a young man with a combination of dysplasia of the fibrous sheath and dynein deficiency, a recently described variant of the immotile cilia syndrome. This methodology provides the only suitable solution for these patients in whom all other assisted fertilization technologies have previously failed, and opens the possibilities for treatment of male infertility due to severe, irreversible sperm defects such as the one reported here.
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Olmedo et al. (1997) studied this question.