Medical Definition of Sternum. Sternum: The long flat bone in the upper middle of the front of the chest. The sternum articulates (comes together) with the cartilages of the first seven ribs and with the clavicle (collarbone) on either side.
Bowen disease was first described in the medical literature by a physician named JT Bowen in 1912. Bowen disease is also known as squamous cell carcinoma in situ, and is generally considered an early, noninvasive form of intraepidermal squamous cell carcinoma.esions are usually not painful or may not be associated with any symptoms (asymptomatic). In most cases, treatment is highly successful. Bowen disease is considered a pre-cancerous condition, although the risk of developing skin cancer is less than 10 percent. The disorder usually affects older adults.
Menetrier disease is a rare disorder characterized by massive overgrowth of mucous cells (foveola) in the mucous membrane lining the stomach, resulting in large gastric folds. The main symptom associated with Menetrier disease is pain in the upper middle region of the stomach (epigastric pain). The cause of Menetrier disease is unknown. There is considerable confusion and contradiction in the medical literature regarding disorders involving large gastric folds.