A 32-year-old woman comes to her physician due to severe pain in the posterior aspect of the right foot that interferes with walking. She also has an increasing back pain for the past 10 months. The pain is worse in the morning when she wakes up and improves with activity. She used to practice yoga, but stopped 5 months ago as bending forward became increasingly difficult. She has also had bilateral hip pain for the past 4 months. She has not had any change in urination. Which of the following is the most probable location of the pathologic process responsible for this patient's foot pain?

Question

Quizplus · Accepted Answer

Eductional Objective: Enthesitis (inflammation at the bony insertions of tendons, ligaments, and joint capsules) is a prominent manifestation of spondyloarthritis (eg, ankylosing spondylitis).  Common clinical syndromes include Achilles tendinitis, plantar fasciitis, and dactylitis.  Achilles tendinitis affects the site of insertion of the Achilles tendon on the calcaneus and presents with severe pain at the posterior aspect of the foot.

A 32-Year-Old Woman Comes to Her Physician Due to Severe