Metabolic Bone Diseases — Flashcards

Flashcard 11: Expansion of the distal ends of the femur with a loss of the normal concavity of the medial sides is known as _____ deformity

Answer: ErlenMeyer flask

Flashcard 12: Chalk stick-type fractures in the long bones of the lower extremities is seen in _____

Answer: Paget disease

Flashcard 13: Acetabular protrusion, also known as protrusio acetabuli, is intrapelvic displacement of the acetabulum and femoral head, seen in _____

Answer: Paget's disease of bone

Flashcard 14: Interosseous membrane ossification is characteristic of _____.

Answer: fluorosis

Flashcard 15: What is the earliest clinical symptom of corticosteroid-induced osteonecrosis?

Answer: Pain (typically localized to the joint involved)

Extra: Pain is the earliest clinical symptom of avascular necrosis (AVN). In the hip, it is often felt in the groin and is worsened by weight-bearing. Decreased range of motion (stiffness) and a limp generally develop later, as the disease progresses or the joint surface collapses.

Flashcard 16: Prolonged use of bisphosphonates can lead to atypical fractures of the _____

Answer: femur

Flashcard 17: A T-score of -2.8 with _____ fracture (vertebral fracture on trivial trauma) indicates _____.

Answer: fragility; severe osteoporosis

Flashcard 18: The only two characteristics consistently present in all patients with osteogenesis imperfecta are_____ and fractures.

Answer:  generalized osteoporosis