Arthritides: Inflammatory and Degenerative — Flashcards

Flashcard 1: X-ray in gout will show _____ with overhanging margins, and in pseudogout will show chondrocalcinosis

Answer: periarticular erosions

Flashcard 2: 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 3: Calcification of the anterior longitudinal ligament in DISH leads to the appearance of _____ on radiography

Answer: Flowing candle wax

Flashcard 4: Rugger jersey appearance is seen due to _____ of the superior and inferior vertebral endplates.

Answer: osteosclerosis

Flashcard 5: The spinal X-ray in DISH/Forestier's disease shows _____ of disc height.

Answer: relative preservation

Flashcard 6: The _____ sign is seen in spinal metastases.

Answer: winking owl

Flashcard 7: The following sign is also known as _____ sign

Answer: dagger

Flashcard 8: Hole within a hole (beveled edge) appearance of the skull is seen in _____, which is a part of Langerhans cell histiocytosis.

Answer: eosinophilic granuloma

Flashcard 9: X-ray showing compression on one side of the radius causing the other side to bend/ buckle suggests a _____ fracture.

Answer: torus

Flashcard 10: The X-ray showing periosteal lifting and _____ appearance is suggestive of osteosarcoma

Answer: sunburst