Items tagged “ortho”

46 results found
Case

Septic arthritis of the knee

  Diagnosis certain
Henry Knipe
Published 25 Oct 2016
94% complete
X-ray
Article

Periprosthetic fracture

Periprosthetic fracture is a term used to describe any fracture that occurs around an implanted orthopedic prosthesis, most commonly knee or hip arthroplasties. Epidemiology Periprosthetic fractures complicate, ~1% of total hip arthroplasties and ~1.5% of total knee arthroplasties 1,2 although...
Article

Total knee arthroplasty

Total knee arthroplasty (TKA), or total knee replacement (TKR), or tricompartmental knee replacement is an orthopedic procedure whereby the three articular surfaces of the knee (femoral, tibial, and patellar) are replaced by prosthetic components. TKA is the most common joint arthroplasty perfo...
Article

Fracture non-union

Fracture non-union describes the failure of normal fracture healing processes. Solid bone healing will not occur without further treatment or intervention. Terminology There is no consensus definition in the radiology or orthopedic literature, however, FDA (USA) defines it as a fracture with a...
Article

Shoulder arthroplasty (overview)

Shoulder arthroplasties are a common procedure, being third in joint replacements after knees and hips, and are used to treat a number of conditions, although the most common indication is osteoarthritis 1. There are a number of types of shoulder arthroplasties: anatomic total shoulder arthropl...
Article

Tibial tunnel cyst

Tibial tunnel cysts, including pretibial cysts, are occasional complications of autologous or synthetic anterior cruciate ligament (ACL) reconstruction surgeries. They are benign ganglion cysts that develop in or around the osseous tibial tunnel made during ACL reconstruction using the transtibi...
Article

Triple arthrodesis (foot)

Triple arthrodesis is a fusion procedure of three hindfoot joints: the subtalar joint, the talonavicular joint and the calcaneocuboid joint. It is often used as a definite or palliative treatment for many conditions. It reduces pain and enables patients to achieve propulsive gait but at the cost...
Article

Hill-Sachs remplissage procedure

The remplissage procedure is performed to treat engaging/off-track Hill-Sachs defects. Via an arthroscopic approach, the posterosuperior humeral head bone defect is filled with a capsulotendinosis of posterior capsule and infraspinatus. The open approach of the same procedure is the Connolly pro...
Case

Talar dome osteochondral injury with detached fragment

  Diagnosis certain
Magdalena Chmiel-Nowak
Published 18 Apr 2020
92% complete
MRI
Article

Post-traumatic osteoarthritis

Post-traumatic osteoarthritis (OA) is one of the forms of chronic post-traumatic arthritis.  Epidemiology Post-traumatic OA is common, accounting for ~12% of all OA and can account for ~50% of ankle OA, ~15% of shoulder OA, ~10% knee OA and ~2% of hip OA 1,2,4,6. Patients with post-traumatic O...
Article

Fracture malunion

Fracture malunion occurs when a fracture heals in a non-anatomical position, which can result in functional impairment and/or a poor aesthetic. If fracture malunions are asymptomatic or not limiting function there is no need for further surgical intervention.  Pathology Malunions can be second...
Case

Talocalcaneal coalition - non-osseous

  Diagnosis certain
Magdalena Chmiel-Nowak
Published 16 Jun 2020
92% complete
X-ray MRI
Article

TightRope fixation system

The TightRope fixation system (Arthrex, Germany) is a reconstruction technique most commonly used for fixation for distal tibiofibular syndesmotic injuries or acromioclavicular joint injuries. This technique uses a non-absorbable fiber wire held between two or more metal cortical buttons at the...
Article

Plate and screw fixation

Plate and screw fixation is a method of internal fixation used in orthopedic surgery. It is most commonly used in open reduction internal fixation (ORIF) surgeries as well as fixation of bone post osteotomy (e.g. high tibial osteotomy or rotational osteotomy).  When applied to the convex side o...
Case

Anterior tibial artery false aneurysm

  Diagnosis certain
Henry Knipe
Published 04 May 2021
95% complete
CT MRI
Case

Periprosthetic humeral fracture - type C

  Diagnosis certain
Domenico Nicoletti
Published 26 Sep 2021
85% complete
X-ray
Article

Tibial shaft fracture

Tibial shaft fractures are the most common long bone fractures and the second most common type of open fractures (second only to open phalanx fractures) 1.  Pathology Mechanism  Typically involve high-energy mechanisms such as road traffic accidents (incidence 43%) or sports 1. These are usua...
Case

Quadriceps tendon rupture post total knee replacement

  Diagnosis certain
Henry Knipe
Published 14 Jan 2022
95% complete
X-ray MRI
Article

Subscapularis tendon tear

Subscapularis tendon tears are a less common rotator cuff tear, and have been considered more difficult to diagnose pre-operatively (both clinically and radiological) and have been known as a "hidden lesion" 5. Accurate pre-operative diagnosis is important as it affects the surgical approach and...
Article

Sugaya classification

The Sugaya classification is a 5-point system used to evaluate rotator cuff repair. Usage The Sugaya classification is the most common system used to evaulate rotator cuff repair 2 although intra- and inter-observer reproducibility is variable 3,4.  Classification The Sugaya classification a...

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