Milano Shrimp Fettuccine

4 ounces uncooked spinach or egg fettuccine
1/2 pound medium shrimp, peeled and de-veined
1 garlic clove, minced
1 tablespoon olive oil
1 (14 1/2 ounce) can diced tomatoes with
    basil, garlic and oregano, undrained
1/2 cup whipping cream
1/4 cup sliced scallions

Cook fettuccine according to package directions; drain.

Meanwhile, saut