Osteoporosis Caused by Systemic Mastocytosis: Prevalence in a Cohort of 8392 Patients with Osteoporosis.

Indolent systemic mastocytosis (ISM) is a group of heterogenous diseases characterized by abnormal accumulation of mast cells in at least one organ. ISM can be a cause of osteoporosis. The aim of this study is to determine the prevalence, and the prognosis of ISM in a cohort of patients with osteoporosis.

Long-term outcome of patients with pregnancy and lactation-associated osteoporosis (PLO) with a particular focus on quality of life.

Background: Pregnancy and lactation-associated osteoporosis (PLO) is a very rare form of osteoporosis. Vertebral fractures either occur in the last trimester of pregnancy or after childbirth. Pathogenesis is still unclear.