LOS ANGELES (AP) -- Melissa Rycroft was the top scorer on "Dancing With the Stars" last week, but she was absent from Monday's show.

Host Tom Bergeron says Rycroft sustained a painful rib injury that prevented her from performing. Her professional partner, Tony Dovolani, said she also suffered complications from treatment for the injury.

The couple was judged on a rehearsal performance and earned 21 out of 30 points for their jive. Former contestant Steve-O was also judged on a rehearsal performance when he hurt himself early in this season's competition.

Doctors told Rycroft she has a hairline fracture but can continue competing on the ABC dance-off.