Questions for this month’s clinical challenge are based on articles in this issue. The clinical challenge is endorsed by the RACGP Quality Improvement and Continuing Professional Development (QI&CPD) program and has been allocated 4 Category 2 points (Activity ID:19983). Answers to this clinical challenge are available immediately following successful completion online at http://gplearning.racgp.org.au. Clinical challenge quizzes may be completed at any time throughout the 2014–16 triennium; therefore, the previous months answers are not published.
Case 1 – Shane
Shane, 17 years of age, presents with a right ingrown toenail. He has had multiple presentations with the same problem over the past 6 months, and has not responded to conservative management techniques. You are considering surgical management techniques.
Which one of the following risk factors is associated with the development of ingrown toenails?
- Female gender
- Age group 26–35 years
- Isotretinoin use
- Thinning of the nail plate
Which one of the following statements regarding surgical management techniques is correct?
- A recent large case series reported 96.3% patient satisfaction with the Winograd procedure.
- Phenol matrixectomy was first described by Boll in the 1800s.
- The Winograd technique uses chemical ablation to destroy the nail matrix.
- At least 30 seconds is necessary for phenol to penetrate matrix tissue.
Case 2 – Sharon
Sharon, 53 years of age, presents with pain in the inferior portion of her left heel of several months duration. The pain is sharp and aggravated by weight-bearing.
Which one of the following structures is a common source of inferior heel pain?
- Achilles tendon insertion
- Sinus tarsi
- Superficial calcaneal bursa
- 4. Calcaneal fat pad
You suspect that Sharon has plantar fasciitis. Which one of the following historical features is commonly associated with plantar fasciitis?
- Young age
- Night pain
Which one of the following features on physical examination is the most helpful to diagnose plantar fasciitis?
- Tinel’s sign
- Calcaneal tuberosity tenderness
- A positive Simmond’s test
- Posterior impingement test
Which one of the following management options is recommended for plantar fasciitis?
- Heel raises in shoes
- Hirudoid/voltaren gel wrap
- Low height isometric heel raise sustained hold
- Neural mobilisation
Case 3 – Sam
Sam, 74 years of age, presents with intermittent numbness and tingling in his right foot of several months duration. He has a past medical history of ischaemic heart disease. He is an ex-smoker, drinks alcohol infrequently and is on a number of medications.
Which one of the following terms best describes his symptoms?
Peripheral neuropathy is a well-recognised side effect of which one of the following medications?
Case 4 – Sophia
Sophia, 10 years of age, presents with left mid-foot pain of 1 month duration.
Which one of the following is a chronic overuse condition mostly seen in younger children?
- Mid-foot osteoarthritis
- Peroneus longus enthesopathy
- Kohler’s osteochondrosis
- Stress fracture at base of fifth metatarsal
Physical examination reveals tenderness at the lateral aspect of the mid-foot. Which one of the following structures is most likely associated with tenderness in this location?
- Accessory navicular bone
- Peroneus longus tendon
- Base of fifth metatarsal
- Tibialis posterior tendon
Considering Sophie’s history and physical examination findings, what is the most likely cause of her mid-foot pain?
- Accessory cuboid bone
- Kohler’s osteochondrosis
- Tibialis anterior enthesopathy
- Traction apophysitis at the base of the 5th metatarsal
You suspect that Sophie has traction apophysitis at the base of the fifth metatarsal. Which one of the following is the most appropriate management consideration?
- Magnetic resonance imaging to confirm diagnosis
- A CAM walker for more severe cases
- Orthopaedic referral for consideration of surgical management
- Early consideration of corticosteroid injection