The 10 most difficult and difficult medical specialties in the world. Plastic surgeons specialize in soft tissues such as skin, muscle and fat rather than bone, which are the domain of orthopedic surgeons. Neurosurgery is one of the most difficult branches of surgery. It requires surgeons to have a wide range of skills and knowledge.
It's demanding, time-consuming, and requires a surgeon to focus completely on the procedure at hand. For example, even though Internal Medicine is classified as a “least competitive specialty,” the most respected and recognized Internal Medicine residency programs are highly competitive and, therefore, difficult to access. As the year progresses, you'll also begin to consider the next direction you'll take within the fields of medicine you want to pursue.