Andre Villas-Boas was confident Chelsea had avoided a goalkeeping crisis, despite Petr Cech needing hospital treatment after Wednesday night's dramatic Carling Cup victory over Fulham.

Cech was forced off at half-time of the third-round tie at Stamford Bridge after suffering a head injury in a collision with Orlando Sa. Chelsea were already without understudy Hilario, meaning losing Cech left them with Ross Turnbull as their only recognised first-team goalkeeper.

But after Turnbull helped his side to a controversial 4-3 penalty shootout win, Blues boss Villas-Boas revealed Cech had been given the all clear. "Petr went for a scan in the hospital and he's okay," he said.

"He felt a little bit dizzy from the early concussion at half-time. We decided, and he decided as well, it was better not to take risks."

Cech could be forgiven for playing it safe. The 29-year-old became the first high-profile goalkeeper to wear protective headgear in all matches after suffering a fractured skull in a sickening collision with Stephen Hunt at Reading five years ago.

He also watched team-mate Didier Drogba knocked clean out by Norwich goalkeeper John Ruddy almost four weeks ago, with the striker only fit enough for a place on the bench.

Villas-Boas had planned to bring Drogba on but was forced to think again, with Cech's injury part of a triple blow for Chelsea either side of half-time.

The first befell Daniel Sturridge, who hurt himself netting a disallowed goal shortly before the break.

Revealing the striker had a knee problem, Villas-Boas added: "The ligaments are okay. If he misses one (game), it won't be more than that."

The final calamity occurred less than two minutes after the break, with Alex sent off for bringing down Kerim Frei.

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