Singer Donny Osmond has postponed several concerts, including a Sept. 10 show at The Paramount in Huntington, after learning he must undergo vocal-cord surgery.

"Doctors examining . . . [his] recent hoarseness have discovered a hemorrhagic polyp (or bleeding lesion) on his right vocal cord which will necessitate a microsurgical removal of the lesion," read a statement Wednesday on Osmond's official website. It said Harvard Medical School's Dr. Steven M. Zeitels, chief of the Center for Laryngeal Surgery & Voice Rehabilitation at Massachusetts General Hospital, who has performed the same procedure on Adele, Sam Smith and Lionel Richie, "will operate on Donny in Boston in the very near future."

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The statement added that his longtime engagement at the Flamingo Las Vegas hotel-casino would resume in October as scheduled.

No tickets were available Wednesday for his Sept. 5 show in Florence, Indiana, and his Sept. 6 Cleveland show has been rescheduled to Jan. 22. Tickets remained on sale Wednesday for his two remaining shows that month, Sept. 18 in Reno and Sept. 24 in San Diego.