Case 1. It could be cholangitis due to lithiasis in the bile ducts or gallbladder. The pain in this area is usually referred to the shoulder on the same side. Abdominal ultrasound and laboratory should be performed to corroborate diagnosis, start antibiotics and analgesics and then schedule surgery.
Case 2.Definitely it is about osteogenesis imperfect, the finding of multiple fractures in childhood without apparent trauma with blue scleras are diagnostic criteria. These cases should be treated with bisphosphonate cycles to avoid fractures.