Tsuneo Ozaki's research while affiliated with Kyorin University and other places
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Publications (3)
Background and Aims
The present study was carried out to examine the predictive value of endocrine profiles as indicators of the sperm retrieval rate on testicular sperm extraction (TESE) in azoospermic men.
Methods
Prior to TESE, the serum levels of follicle stimulating hormone (FSH), luteinizing hormone (LH), prolactin, testosterone, dihydrotesto...
To assess endometrial receptivity in terms of endometrial tissue blood flow (ETBF) measured hysterofiberscopically by laser blood-flowmetry, and to examine the technique's effectiveness in an in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) program.
A prospective clinical study.
IVF program in a university hospital.
A total of 75...
Citations
... In a study of 106 azoospermic patients, small testicular size (< 4 cm) and elevated FSH (> 10) was associated with a decrease in the success rate of sperm retrieval rate from 77% to 29%[21]. In another report it was found that a level above 60 mIU/mL of serum FSH could completely exclude the possibility of sperm retrieval from testis; the sperm retrieval rate was 100% for FSH ≤15 mIU/mL [22] . Although measurement of serum FSH is a non-invasive test for predicting success rate of sperm retrieval in azoospermic patients, the cut-off value for FSH for predicting spermatogenesis is rather variable. ...
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... These findings appear to suggest that the inner cells of the large cysts lost pluripotency [65] and gradually became apoptotic, as shown by the fragmented cellular configuration. The deterioration of the inner cells of the large cysts can probably be attributed to the following reasons: (1) insufficient blood supply as opposed to the endometrium, (2) inadequate cytokine environment, and (3) detachmentinduced cell death (anoikis) [66][67][68]. ...
