Receptor activator of nuclear-factor kappa-B ligand (RANKL) is an important regulator of bone resorption. Which of the following cells is the MAJOR source of RANKL in bone remodelling?

Figure A is the radiograph of a 10-year-old girl who sustain...

Sorry, only PEAK Subscribers can view this question

An 82-year-old woman with a history of hypertension and osteoporosis presents after a ground-level fall, complaining of severe left hip pain and inability to bear weight. At baseline, she is a household ambulator using a front-wheeled walker, requiring caregiver support for many activities of daily living. Radiographs reveal a displaced femoral neck fracture. You decide to proceed with operative intervention. Which of the following is the most appropriate choice for fixation in this patient?

A 35-year-old heavy laborer presents to your clinic with a history of lateral-sided ankle and foot pain. He notes that this pain has been present since he sustained a calcaneus fracture following a fall from a ladder. His calcaneus fracture was treated non-operatively, but he adds that he was non-compliant with weight-bearing restrictions and did not keep regular follow-ups. The visual appearance of the foot is seen in Figure A. On physical examination, he has 5/5 dorsiflexion, plantarflexion, and inversion strength, but 4/5 strength with significant pain on eversion testing. Which number correctly identifies the pathological tendon as seen on the MRIs in Figures B and C?

A 4-year-old girl presents with left foot turning in since s...

Sorry, only PEAK Subscribers can view this question

A 73-year-old man stepped off a street curb and felt a crack...

Sorry, only PEAK Subscribers can view this question

A 16-year-old girl presents with hip and thigh pain for 3 months. Examination reveals an antalgic gait. A radiograph, coronal MRI scans (T1 pre- and post-contrast, and T2), and biopsy are shown in Figures A through E. What is the most likely diagnosis?

A 16-year-old girl presents with hip and thigh pain for 3 months. Examination reveals an antalgic gait. A radiograph, coronal MRI scans (T1 pre- and post-contrast, and T2), and biopsy are shown in Figures A through E. What is the most likely diagnosis?

A 68-year-old woman is undergoing a cementless medial/latera...

Sorry, only PEAK Subscribers can view this question

A 2-year-old child is diagnosed with a septic hip. Initially, no organisms grew on the standard blood agar plate. However, after 1 week, the offending organism was recovered in an aerobic blood culture medium. Which of the following organisms was the most likely cause?

A 73-year-old woman with a history of type II diabetes melli...

Sorry, only PEAK Subscribers can view this question

A 68-year-old man is scheduled to undergo total hip arthropl...

Sorry, only PEAK Subscribers can view this question

In his first day home after undergoing a total hip arthroplasty a 65-year-old male falls down the stairs and sustains the fracture seen in Figure A and B. Intra-operative examination reveals the stem to be loose. What is the preferred treatment for this injury?

A 68-year-old man reports a 4-week history of progressive left-sided lower back and hip pain. The pain is in the posterior buttock region with radiation to the groin and to the left anterior knee region. The pain is aggravated with walking and improves with rest. There is no history of previous trauma. Radiographs are seen in Figures 14a and 14b, and MRI scans are seen in Figures 14c through 14e. What is the most appropriate treatment option at this time?