 exposed sinuses) and covers dura mater defects more than all other options, reducing postoperative wound infections and CSF leakages.Disadvantages are the complexity of the operation, leading to prolonged operation times, the need for specialised personnel, and the chance for total flap necrosis due to microvascular complications.Another challenge with the use of free flaps is to achieve an aesthetically pleasing result with good color and contour match, especially if the defect is deep.