Items tagged “cases”
5,525 results found
Article
Cullen sign
Cullen sign refers to superficial edema visible as periumbilical discolouration and is most commonly seen in patients with acute pancreatitis 1-3.
Clinical presentation
Clinically patients with pancreatitis present with epigastric pain that radiates to the umbilical/periumbilical region and th...
Article
Cervical disc arthroplasty
Cervical disc arthroplasty is a procedure involving the replacement of degenerative cervical intervertebral discs with artificial discs to enable decompression of the cervical spinal cord.
This procedure is an alternative to anterior cervical discectomy and fusion (ACDF) and avoids the loss o...
Article
Laminotomy
A laminotomy is a spinal decompression procedure with partial removal of the vertebral arch usually at its base. Laminotomies might be combined with other spinal procedures such as discectomy or spinal fusion procedures. If a laminotomy is combined with a foraminotomy, then the procedure is call...
Article
Complications of spinal surgery
Complications of spinal surgery are common and can occur at different time intervals after the surgery. Some of them are related to instrumentation, the procedure and/or the approach others are not. Anyhow, it is essential for the radiologist to be aware of them in the assessment of radiographs,...
Article
Anterior meniscofemoral ligament (of Humphrey)
The anterior meniscofemoral ligament (aMFL) or ligament of Humphrey) is one of two variably present bands of the meniscofemoral ligament.
Gross anatomy
The anterior meniscofemoral ligament inserts to the lateral aspect of the medial femoral condyle and runs between the anterior cruciate ligam...
Article
Subsidence
In a medical sense, subsidence refers to the collapse or settling of bone located immediately next to an implantable device in direction of the loading force. It can lead to a loss of the desired postoperative result and to further complications 1.
Epidemiology
Associations
Subsidence can be ...
Article
Oblique lumbar interbody fusion (OLIF)
Oblique lumbar interbody fusion (OLIF) is one of several techniques used in lumbar interbody fusion. It provides minimally invasive access to the disc space, passing between the peritoneum and the psoas muscles.
Indications
Indications for the procedure generally overlap with those of LLIF and...
Article
Osteoporotic vs pathological vertebral fractures
Discriminating between acute osteoporotic and pathological vertebral fractures is sometimes challenging. This may be especially true in the elderly population, in which both osteoporosis and malignant disease often co-occur, and vertebral fractures of both kinds are common and indeed may coexist...
Article
Odontoid process fixation
Odontoid process fixation or odontoid process repair refers to the surgical fixation of an odontoid fracture.
Anterior odontoid screw fixation is performed with single and double screw techniques, non-cannulated and cannulated screws, and uni- or bicortical fixation techniques.
Odontoid plate ...
Article
Ventilator induced lung injury
Ventilator-induced lung injury (VILI) is a type of acute lung injury usually inflicted or aggravated by mechanical ventilation. It may occur during invasive or non-invasive ventilation.
Pathology
The predominant mechanisms include:
alveolar overdistention (volutrauma) / regional lung overdist...
Article
Hardware failure
Orthopedic implant or hardware failure refers to the failure of the implant to live up to its expected requirements with respect to the manufacturer's or the surgeon's allegations. This includes any complication directly related to the implant such as wear, fractures, dissociations and dislocati...
Article
Interspinous device
Implantation of interspinous devices is one option for treating lumbar canal stenosis and other causes of low back pain. These devices attempt to produce lumbar flexion by distracting the lumbar spinous processes restoring height and resulting in tightening of the thickened ligamentum flavum, an...
Article
Acute gouty arthritis
Acute gouty arthritis, also known as a gout flare, is the acute symptomatic phase of gout due to the deposition of monosodium urate crystals in a synovial joint.
Clinical presentation
Acute gouty arthritis presents as a tender, erythematous, swollen joint. Involvement is typically monoarticula...
Article
Spinal instrumentation hardware
Spinal instrumentation hardware refers to various types of implants used for fixation in spinal surgery. They can be used in various combinations and include wires, clamps, screws, different plate-screw and rod-screw interfaces, intervertebral prostheses and disk replacements.
Cervical spine in...
Article
Posterior instrumentation and fusion (scoliosis)
Posterior instrumentation and fusion is a surgical technique to improve spinal curvature in scoliosis patients.
Procedure
The vertebral column is manipulated into the desired position and held in place with metalwork namely pedicle screws and/or hooks transfixed with rods with or without in si...
Article
Quadratus femoris injection (technique)
Quadratus femoris injections under image guidance ensure precise delivery of an injectate and ensure the sciatic nerve is avoided during the procedure. CT and ultrasound can be used, with ultrasound becoming more challenging in those with larger body habitus.
Indications
therapeutic for ischi...
Article
Anectasis
Anectasis is a term that describes primary atelectasis, as distinct from secondary atelectasis.
Anectasis refers to the failure of the lung to expand fully at birth.
See also
atelectasis
Article
Implant malposition
Implant malposition or hardware malposition refer to inappropriately positioned implants or hardware. It can be associated with various complications related to injury of adjacent structures.
Terminology
For implants with variant positions and no complications or increased risk, the term devia...
Article
Flexor carpi radialis brevis vel profundus
The flexor carpi radialis brevis (FCRB) vel profundus muscle is an accessory muscle of the forearm and wrist and a normal anatomical variant.
Epidemiology
The flexor carpi radialis brevis vel profundus muscle has been found in 2-8% of anatomical dissections 1-3.
Summary
origin: anterior...
Article
Pituitary height grading
Pituitary height grading describes degrees of loss of the pituitary height (concavity), which encompasses gradations of (partially) empty sella.
Grading
As originally described by Yuh et al. 1, the loss of pituitary height (h) and the sellar height (H) are measured on a midsagittal T1-weighted...