The stomach is a rounded, hollow organ located just inferior to the diaphragm in the left part of the abdominal cavity. Located between the esophagus and the duodenum, the stomach is a roughly crescent-shaped enlargement of the gastrointestinal tract.
An osteoid osteoma is a benign bone tumor that arises from osteoblasts and was originally thought to be a smaller version of an osteoblastoma. Osteoid osteomas tend to be less than 1.5 cm in size.The tumor can be in any bone in the body but are most common in long bones, such as the femur and tibia.n osteoid osteoma is a benign bone tumor that arises from osteoblasts and was originally thought to be a smaller version of an osteoblastoma. Osteoid osteomas tend to be less than 1.5 cm in size. The tumor can be in any bone in the body but are most common in long bones, such as the femur and tibia.
What is mastoid surgery? The mastoid bone, part of the skull, lies right behind the ear lobe. Sometimes the cells of the mastoid bone, and/or the small bones (ossicles) inside the ear, are destroyed by chronic infection or a growth (cholesteatoma).When this happens, the affected mastoid cells may need to be removed (mastoidectomy).ometimes the cells of the mastoid bone, and/or the small bones (ossicles) inside the ear, are destroyed by chronic infection or a growth (cholesteatoma). When this happens, the affected mastoid cells may need to be removed (mastoidectomy).