The 1998 Atlantic Coast Conference men's basketball tournament took place from March 5–8 in Greensboro, North Carolina, at the Greensboro Coliseum. North Carolina won the tournament for the second year in a row, defeating Duke in the championship game. From 1998 to 2000, the ACC Tournament adopted a format that in which the top-seeded team played the last-place team in the first round. The winner of this game received a bye into the semifinals. A second first-round game pitted the #7 seed versus the #8 seed. The winner of that game played the #2 seed in the quarterfinals. Antawn Jamison of North Carolina was named tournament MVP. Bracket AP rankings at time of tournament Awards and honors Everett Case Award All Tournament Teams First Team Second Team External links Tournament ACC men's basketball tournament College sports tournaments in North Carolina Basketball competitions in Greensboro, North Carolina ACC men's basketball tournament ACC men's basketball tournament