A. Multiple myeloma is a malignant, clonal disorder of plasma cells that originates in the bone marrow. Itâs a relatively common disorder, accounting for 1% of all malignancies and 10% of all hematologic malignancies in adults.
torsion, n 1. , motion or state of torque in which one end of an anatomical component is twisted about its longitudinal axis as the opposite end is either immobile or moves in the opposite direction.
Ovarian torsion is a medical condition where the ovary rotates to such an extent that it causes occlusion of the ovarian artery and/or vein. Ovarian torsion occurs as a result of other medical conditions such as structural abnormalities of the ovary and tube, tumors, cysts etc. In majority of the cases, ovarian torsion is found in women aged between 20 and 40 years. Pregnancy and menopause increases the risk.