Musculoskeletal Radiology Signs:
Many of the signs are not specific. Please click on the signs for other differentials.
Interactive Atlas of Signs in Musculoskeletal Radiology:
Absent Bow Tie Sign – Buckle Handle tear of Meniscus
Absent Middle Facet – Subtalar joint coalition
Ankle Teardrop Sign – ankle effusion
Anteater Nose Sign – Calcaneonavicular tarsal coalition
Anterior Tibial Translocation Sign – Anterior Cruciate Ligament Injury
Arcuate Sign – avulsion fracture of head of fibula
Blade of Grass Sign – active Pagets
Celery Stalk Sign – Mucoid degeneration of anterior cruciate ligament
Dense Metaphyseal Band Sign – lead poisoining
Double Posterior Cruciate Ligament Sign, Double Delta Sign – Bucket handle tear of medial meniscus
Double-Line Sign – Avascular necrosis
Dripping Candle Wax Sign – Melorheostosis
Fallen fragment sign – Unicameral bone cyst
Fat C2 Sign – Oblique C2 fracture
The Four-Tendon Sign – posterior tibialis longitudinal tendon tear
Hawkins Sign – no Avascular necrosis
Intravertebral Vacuum Cleft Sign – osteonecrosis of vertebral body
Ivory Vertebra Sign – metastases
J Sign – humeral avulsion of the glenohumeral ligament
Lateral Femoral Notch Sign – Osteochondral fracture
MR Corner Sign – Ankylosing Spondylitis
Musculoskeletal Crescent Sign – Avascular necrosis
Notch of Harty – Pseudodefect of the Tibial Plafond
Polka-Dot Sign – Vertebral body hemangioma
Pronator Quadratus Sign – fracture of distal radius or ulna
Rugger Jersey Spine Sign – chronic renal failure
Signs of repeat postoperative meniscal tear
Spur Sign – acetabular fracture
Target Sign Extremity – benign peripheral nerve sheath tumor
Trough Line Sign – Posterior dislocation of shoulder