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S N Curve of Biomaterials

Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) tutorials S N Curve of Biomaterials

Fractures Of the Tibia in Children

Courtesy: Kaye Wilkins MD, Lynn Staheli MD Pediatric Tibial Fractures Proximal Tibial Metaphyseal Fracture Key complication Progressive valgus deformity (Cozen phenomenon). Cause Biological overgrowth is the most common cause. Increased vascularity produces greater medial than lateral growth. Not always related to inadequate reduction. Fibular tether theory is no longer accepted. Clinical features Valgus deformity […]

Ulnar collateral ligament of Thumb and its Functions

Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials

Fractures Of The Shoulder Girdle in Children

Courtesy: Kaye Wilkins MD, Prof Lynn Staheli MD Sternoclavicular Injuries Key concept Usually represent Salter Harris Type I or II physeal injuries of the medial clavicle rather than true sternoclavicular dislocations. Medial clavicular physis is the last epiphysis to ossify and fuse at 20 to 25 years. Ligaments are stronger than the physis, so failure […]

Fractures of the Femur neck in children

Courtesy: Kaye Wilkins MD, Prof Lynn Staheli MD, www.global-help.org Pediatric Hip Fractures (Proximal Femur Fractures) Overview Rare injuries in children, accounting for less than 1% of pediatric fractures Usually caused by high-energy trauma Associated with significant complications, especially avascular necrosis (AVN) Pediatric vs Adult Femoral Neck Fractures Feature Pediatric Adult Incidence Rare Common Mechanism […]

Radiological anatomy of Spine with Imaging correlation

Courtesy: Douglas Gillard, BS, DC, Spine Researcher http://chirogeek.com/

MR Anatomy of Articular Cartilage

Courtesy: RadNet

Articular Cartilage Anatomy

? Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials Articular cartilage Contents Chondrocytes(5%)- synthesis, homeostasis and maintenance of cartilage Extra cellular matrix(95%) Layers SUPERFICIAL ZONE (TANGENTIAL ZONE)-more water and collagen, less proteoglycan INTERMEDIATE ZONE DEEP ZONE- more proteoglycan TIDEMARK CALCIFIED ZONE-Round chondrocytes buried in calcium matrix that has a high concentration of […]

Spinal cord Cross sectional Anatomy

Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials

Safe zones for Halo pin Placement

Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials Historical Background The concept of halo traction can be traced back to ancient Egypt. Its modern application for spinal deformity correction was revived in 1971 by Pierre Stagnara. Halo gravity traction was reintroduced as a safe and effective method for managing severe thoracic kyphoscoliosis. […]