A 60-year-old woman was critically injured after being stabbed in the neck inside a Queens massage parlor on Sunday night, the NYPD and sources said.

The victim was attacked inside the business on 40th Road near Main Street in Flushing just before 7:30 p.m., according to cops.

She was slashed once in the neck with an unknown object after getting into an argument with the perp, law enforcement sources said.

The suspect quickly fled the scene.

The seriously injured woman was rushed to Booth Memorial Hospital, police said.

Cops said they were still investigating the violence.

No arrests have been made, they added.