Items tagged “case3”

243 results found
Article

Milan criteria in liver transplantation

The Milan criteria are used to assess suitability in patients for liver transplantation with cirrhosis and hepatocellular carcinoma (HCC) with comparable outcomes when compared to patients with liver cirrhosis but without HCC 3. Usage The Milan criteria are widely accepted and used, however, t...
Article

Positive carpal sign

The positive carpal sign is a useful radiographic sign for the diagnosis of Turner syndrome in association with other musculoskeletal manifestations. Abnormality in the shape of the proximal carpal row in the dorsopalmar radiographs of the wrist and hand (taken in the neutral position is key to ...
Article

WHO grading system for diffuse astrocytomas

The WHO grading system is the most widely used system for grading diffuse astrocytomas (c.2022). It is an adaptation of the now-superseded St Anne-Mayo grading system (also known as the Daumas-Duport grading system).  Classification Grade 1 is reserved for localised astrocytomas (see WHO class...
Article

Osteoarthritis of the vertebral column

Osteoarthritis of the vertebral column, also known as spinal osteoarthritis, is so common that it is widely known as spinal "degenerative change". Complications such as spinal stenosis are important to recognise.  Radiographic features Spinal osteoarthritis presents radiologically like other j...
Article

Wackenheim line

The Wackenheim line, also known as the clivus canal line or basilar line, can be used to assess for atlanto-occipital dissociation. Measurement The Wackenheim line is the caudal extension of a line drawn along the posterior cortex of the clivus on lateral cervical spine radiographs 1. Interpr...
Article

Ahlbäck classification of knee osteoarthritis

The Ahlbäck classification is one of many ways to grade knee osteoarthritis. Usage The Ahlbäck classification is in common use (c. 2012) in both clinical and research settings 2. Classification grade 1: joint space narrowing (<3 mm) grade 2: joint space obliteration grade 3: minor bone at...
Article

Miller Fisher syndrome

Miller Fisher syndrome is an immune-mediated condition characterised by the triad of cerebellar ataxia, areflexia, and external ophthalmoplegia. It is believed to represent, along with several other entities, different clinical manifestations of a similar underlying autoimmune disorder, the anti...
Article

RANO criteria for glioma

Response assessment in neuro-oncology (RANO) criteria, published in 2010 1, are used to assess response to first-line treatment of glioblastoma (as well as lower grade astrocytoma 3) and have largely superseded the older Macdonald criteria (which only dealt with glioblastoma multiforme) 2. For ...
Article

Bent bone dysplasias (differential)

Bent bone dysplasias are a class of skeletal dysplasia included in a 2010 classification of genetic skeletal disorders 1: campomelic dysplasia Stuve-Weidemann dysplasia kyphomelic dysplasias, a diverse class, including congenital bowing of the long bones cartilage-hair hypoplasia (CHH; meta...
Article

MRI grading system for abnormal meniscal signal intensity

MRI grading system for abnormal high meniscal signal intensity was reported by Lotysch et al.   Classification Grade 1 to 3 have been described on MRI: grade 1: small focal area of hyperintensity, no extension to the articular surface grade 2: linear areas of hyperintensity, no extension to ...
Article

Missing IUCD

A missing IUCD is considered when the retrieval strings of certain types of intrauterine contraception devices (IUCD) cannot be seen on physical examination. The possibilities are expulsion of IUCD migration of IUCD detachment of IUCD thread uterine perforation in IUCD embedd...
Article

Myxoinflammatory fibroblastic sarcoma

Myxoinflammatory fibroblastic sarcoma is an uncommon intermediate-grade fibroblastic/myofibroblastic tumour.  Terminology When occurring the finger, the term acral myxoinflammatory fibroblastic sarcoma is used. Epidemiology It typically affects adults. Clinical presentation The patient ma...
Article

Localisation of parotid lesions

Localisation of parotid lesions to the superficial and/or deep parotid gland is an essential aspect of imaging and vital information which needs to be conveyed to the surgeon. Measurement The following lines are proposed for differentiating superficial from deep lobe: Conn's arc (CA): drawn w...
Article

Plantar xanthoma

Plantar xanthoma is a condition when xanthomatous deposits occur within the plantar fascia.  Clinical presentation Plantar xanthomas are usually asymptomatic, although in some instances may result in vague pain and may also have unfavourable cosmetic effects. Pathology Xanthomas consist of l...
Article

Postcaval recess

The postcaval recess is one of the pericardial recesses forming a small space within the pericardium, which arises from the pericardial cavity proper. It is located posterior to the superior vena cava and superior to the right superior pulmonary vein. It may mimic mediastinal lymphadenopathy or ...
Article

Left pulmonic recess

The left pulmonic recess is one of the pericardial recesses forming a small space within the pericardium, which arises from the transverse pericardial sinus. It is located posterior to the pulmonary trunk and left pulmonary artery. It may mimic mediastinal lymphadenopathy or a bronchogenic cyst.
Article

Complex midfacial fracture

Complex midfacial fractures consist of multiple facial fractures that cannot be classified as any of the defined complex facial fractures (e.g. Le Fort fracture, zygomaticomaxillary complex fracture, naso-orbital-ethmoid fracture).
Article

Eaton classification of volar plate avulsion injury

The Eaton classification can be used to classify volar plate avulsion injuries of the fingers. Usage Along with the Keifhaber-Stern classification, this classification is considered (c. 2016) one of the most useful classifications for the management of volar plate avulsion injuries 2.  Knowle...
Article

Dameron-Lawrence-Botte classification of proximal 5th metatarsal fractures

The Dameron-Lawrence-Botte classification, or Lawrence-Botte classification, is a commonly used system for proximal fifth metatarsal fractures as it has management implications 3. Classification Under this system, proximal fifth metatarsal fractures are categorised into one of three anatomic ...
Article

Pituitary carcinoma

Pituitary carcinomas are rare tumours indistinguishable from pituitary adenomas on imaging and defined only by the presence of central nervous system or systemic metastases. Epidemiology The incidence is estimated at less than 0.5% of the pituitary symptomatic tumours 1.  Clinical presentatio...

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