The exact cause of urachal abnormalities is unknown, but it's likely that many factors contribute to their development. Urachal cysts are a congenital condition (present at birth), so there could be a ...

For many women, this could be the unexpected result of a ruptured ovarian cyst. Ovarian cysts are fluid-filled sacs that can form inside or on the outer surface of an ovary. These cysts are quite ...

Since 1957, several different types of percutaneous tracheostomy techniques have been described and performed with the support of bronchoscopic transillumination. The authors present the case of a ...