Primary ovarian insufficiency (POI) represents the cessation of ovarian function before age 40 due to follicular depletion or dysfunction. Affecting 1% of women, POI causes infertility and systemic health complications. Current treatments focus on symptom management rather than restoring ovarian function. Mesenchymal stem cells (MSCs) offer promising regenerative potential through paracrine activity, immunomodulation, and tiss...

Sentinel lymph node (SLN) sampling is important for evaluating the nodal stage of breast cancer when the axillary nodes are clinically free of metastasis. The intraoperative frozen section (IFS) of SLN is used for lymph node assessment. This meta-analysis aims to provide evidence about the diagnostic accuracy and the applicability of IFS of SLN in breast cancer patients. Data were collected by searching PubMed, Cochrane, Scopu...