Nishiyama S

IntroductionOsteoarthritis (OA) is more common in women, suggesting a link to estrogen. Estrogen supports cartilage homeostasis and metabolism via two receptors: ERα and ERβ. Mechanical stress is the primary cause of OA and affects cellular…

Salmonella species are common causes of foodborne illnesses, typically resulting in self-limiting gastroenteritis. In rare cases, however, they can cause extraintestinal infections, including pelvic infections. This report concerns a rare c…

The case report describes the management of endometriotic cysts in a woman taking adjuvant tamoxifen. A diagnosis of endometriosis was made at the age of 38, and the condition was initially managed with a low-dose estrogen-progestogen combi…

Tamoxifen, a selective estrogen receptor modulator, is widely used as adjunctive therapy for women with breast cancer. However, tamoxifen has an agonistic effect on the endometrium and may be associated with endometrial proliferation, hyper…

Clear cell carcinoma (CCC) of the uterine cervix without prenatal diethylstilbestrol exposure is rare, and its etiology is unclear. We present a case of cervical CCC presenting as a submucosal tumor, which strongly suggests an association b…