Dobson suffered an injury to his right leg when it bent awkwardly after a check by Columbus’ Cole Sillinger 1:16 into the third period of Monday night’s 3-1 win over the Blue Jackets at UBS Arena. He left the ice and did not return.

He has been the lone player in the Islanders’ top four who hasn’t dealt with injuries this season, but his status is a major concern after Monday night.

Noah Dobson had just starting heating up for the Islanders, but the defenseman is out indefinitely after suffering a lower-body injury.

And with his latest signing of Tony DeAngelo, that tells us one thing: The Islanders' playoff push is still on.

Could miss time

New York Islanders defenseman Noah Dobson is out indefinitely with a lower-body injury. The Islanders say there is no timeline for a return. Dobson left Monday’s 3-1 win versus the Columbus Blue Jackets after suffering an apparent leg injury in a collision with Blue Jackets forward Cole Sillinger.

Dobson did not participate in Tuesday’s practice at Northwell Health Ice Center and the team announced he was dealing with a lower-body injury suffered in Monday night’s 3-1 win over the Blue Jackets at UBS Arena. The Islanders said there was no timetable yet for Dobson’s recovery.

Noah Dobson is out week to week for the Islanders because of a lower-body injury that will not require surgery. The defenseman was injured on a hit by Columbus Blue Jackets forward Cole Sillinger at 1:14 of the third period during a 3-1 win Monday. Dobson left under his own power but did not return.

During practice, Patrick Roy had Alexander Romanov with Scott Mayfield as a pairing, with Dennis Cholowski and Isaiah ... likely keep him in the lineup if Dobson is out long-term.

New York Islanders defenseman Noah Dobson (lower body) is week-to-week. The team has announced that Dobson will not require surgery to fix a lower-body injury he sustained on Monday against the Columbus Blue Jackets.

As soon as they brought Tony DeAngelo in to help fill the hole left by Noah ... Dobson, it’s not clear what move the Islanders can make to spell Pulock, should this absence be of any length ...

The New York Islanders announced that the club placed defenseman Ryan Pulock and goaltender Marcus Hogberg on the Injured Reserve list.