Musculoskeletal Ultrasound — Flashcards

Flashcard 1: Radiograph shows increased medial joint space on mortise view indicates injury to the _____ ligament

Answer: deltoid

Flashcard 2: _____ is the investigation of choice for the diagnosis of avascular necrosis of bone

Answer: MRI

Flashcard 3: Widening of the glenohumeral joint space > _____ mm, also known as rim sign is seen in posterior shoulder dislocation

Answer: 6

Flashcard 4: Radiological features of scurvy: Bleeding under the periosteum (_____)

Answer: Subperiosteal hemorrhage

Extra: Subperiosteal hemorrhage is a characteristic feature of scurvy. Upon healing, it calcifies and leads to extensive periosteal reaction. Note: Hemarthrosis (bleeding into joints) is rare in scurvy, which is a key point used to differentiate it from hemophilia in exams.

Flashcard 5: Calcification of the anterior longitudinal ligament in DISH leads to the appearance of _____ on radiography

Answer: Flowing candle wax

Flashcard 6: _____ shows eccentric well-lobulated lesions and sclerotic scalloped borders.

Answer: Non-ossifying fibroma (Bone tumor)

Flashcard 7: _____ is the most sensitive and specific investigation for Stress fracture.

Answer: MRI

Flashcard 8: The _____ sign is seen in spinal metastases.

Answer: winking owl

Flashcard 9: The following sign is also known as _____ sign

Answer: dagger

Flashcard 10: Hole within a hole (beveled edge) appearance of the skull is seen in _____, which is a part of Langerhans cell histiocytosis.

Answer: eosinophilic granuloma