Pregnancy related osteoporosis

Diamantopoulou S, Karanikolopoulos P, Kassanos D

Pregnancy related osteoporosis is a rare disease. Both etiology and mechanism remain unknown. Pregnancy causes considerable alterations in calcium levels, in hormones regulating calcium levels and homeostasis as well as a gradual decline of bone mineral density (BMD). Osteoporosis may also appear during the puerperium or affect pregnant teenagers. The usual symptoms are low back pain …

Pathogenesis of endometriosis: Classic theories and recent data

Papadias K, Αvgoulea A, Lambrinoudaki I, Κreatsa M, Christodoulakos G

Endometriosis is an enigmatic disease, as the etiopathogenetic mechanism remains still unclarified. The classic theories of implantation, induction and metaplasia are unable to give an explanation for all the cases of endometriosis. Based on the classic theories and mainly on the implantation theory of Sampson, many authors tried to analyze immunologic mechanisms responsible …