CASE 1 -ANS

Explanation:
The correct answer is C. All the details are in the vignette, including the
association with a heel spur that in the past led many of these patients to
undergo unnecessary surgery to remove the spur. The spur is caused by
the pull of the fascia and is not the cause of the plantar fasciitis.
Epiphysitis of the calcaneus (choice A) affects children, and the pain
occurs along the sides of the heel where the heel growth centers are
located.
Fracture of the posterolateral talar tubercle (choice B) occurs from a
sudden jump on the ball of the foot, and the pain and swelling are behind
the ankle.
Posterior Achilles tendon bursitis (choice D) occurs mostly in young
women, and an erythematous, indurated, tender area is present at the
posterosuperior aspect of the heel.
Posterior tibial nerve neuralgia (choice E) is the foot's equivalent of the
carpal tunnel syndrome, with the pain often extending to the toes, and
tingling being produced by tapping the nerve.

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