Medical Mysteries: Rare syndrome diagnosed after arthritis misdiagnosis

During a two-week rafting trip through the Grand Canyon, Steve Kramer’s neck and feet became stiff, making it hard to take in panoramic views of majestic cliffs and hike to campsites.

After he returned home to New Jersey, the normally healthy 55-year-old started to feel pain and swelling in his shoulders and hands. Rolling over in bed hurt so much, he could barely sleep. At a hotel, tightly tucked sheets made even going to bed a challenge.