Items tagged “cases”

4,672 results found
Article

Epidermolysis bullosa

Epidermolysis bullosa refers to a rare group of genetically determined conditions characterised by blistering of the skin. This can be limited to the soles and palms or extensive whole body involvement.  Radiographic features Gastrointestinal manifestations: limited to the mucosa of the gastr...
Article

Essex-Lopresti fracture-dislocation

Essex-Lopresti fracture-dislocations comprise of a comminuted fracture of the radial head accompanied by dislocation of the distal radioulnar joint. The force of trauma is transmitted down the forearm through the interosseous membrane causing disruption. The distal radioulnar joint injury may be...
Article

Eustachian tube dysfunction

Eustachian tube dysfunction (ETD) is considered by many to be the underlying cause of chronic otomastoiditis, although both the exact pathogenesis and role of ETD in chronic middle ear infections is unclear. Epidemiology ETD is estimated to be present in ~1% of the adult population. Pathology...
Article

Extension tear drop fracture

Extension tear drop fracture typically occurs due to forced extension of the neck with resulting avulsion of the anteroinferior corner of the vertebral body. Extension teardrop fractures are stable in flexion, and unstable in extension as the anterior longitudinal ligament is disrupted. Extensio...
Article

Extension tear drop fracture

Extension tear drop fracture typically occurs due to forced extension of the neck with resulting avulsion of the anteroinferior corner of the vertebral body. Extension teardrop fractures are stable in flexion, and unstable in extension as the anterior longitudinal ligament is disrupted. Extensio...
Article

External petrosal nerve

The external petrosal nerve is one of the three branches from the geniculate ganglion. It carries sympathetic fibers to the middle meningeal artery.
Article

Extramural air cell

An extramural air cell is one that is not contained within its named parent bone. So, the infraorbital ethmoidal air cells that lie within the maxilla rather than the ethmoidal bone are an example of extramural air cells.
Article

Eye of the tiger sign (globus pallidus)

The eye of the tiger sign refers to abnormal low T2 signal on MRI (due to abnormal accumulation of iron) in the globus pallidus with a longitudinal stripe of high signal (due to gliosis and spongiosis).  The eye of the tiger sign is most classically associated with pantothenate kinase-associate...
Article

Facet joint injection

Facet (zygapophyseal) joint injections are one of the most frequently performed spinal interventional procedures, as both treatment for and diagnosis of radicular pain syndrome and facet syndrome. It can be performed under fluoroscopic, or CT image guidance and cervical, thoracic or most commonl...
Article

Facial colliculus

The facial colliculus is an elevation on the floor of the fourth ventricle and is not formed by the facial nerve nucleus, but by the fibres of the facial nerve arching backwards around the abducens nerve (CN VI) nucleus before turning forwards once more in the caudal pons. Related pathology A ...
Article

Facial nerve choristoma

Facial nerve choristomas are rare, being characterised by non-neoplastic proliferation of smooth muscle cells and fibrous tissue. Facial nerve choristomas presumably can occur anywhere along the course of the facial nerve (CN VII), although the only cases reported are in the internal acoustic me...
Article

Venous vascular malformation of the facial nerve

Venous vascular malformations of the facial nerve, previously known as facial nerve haemangiomas, are rare benign vascular malformations of the facial nerve usually presenting as a facial nerve palsy, which can be rapid onset mimicking a Bell palsy.  Terminology As they do not appear to have c...
Article

Uterine tube

The uterine tube, also known as the Fallopian tube or less commonly the oviduct, is a paired hollow tube that bridges between each ovary and the uterus and functions to convey the mature ovum from the former to the latter. If conception occurs, it normally does so within the tube. It can be affe...
Article

Fatty nodal metaplasia

Fatty nodal metaplasia in the neck occurs as a result of chronic inflammation or radiotherapy 3. The normal fatty nodal hilum enlarges, such that the lymph node appears cystic. However, its center is of fatty density. There is no surrounding stranding, and the node otherwise looks normal. Diffe...
Article

Fishhook ureters

Fishhook ureters, also known as J-shaped ureters or hockey stick ureters describe the appearance of the distal ureter in patients with significant benign prostatic hypertrophy. It has also been used to describe the appearance of a retrocaval ureter further up, as the right ureter hooks behind th...
Article

Fishhook ureters

Fishhook ureters, also known as J-shaped ureters or hockey stick ureters describe the appearance of the distal ureter in patients with significant benign prostatic hypertrophy. It has also been used to describe the appearance of a retrocaval ureter further up, as the right ureter hooks behind th...
Article

Funnel trachea

Funnel trachea is a colloquialism for a congenital long-segment intrathoracic tracheal stenosis.  The diameter of the trachea immediately below the cricoid is normal, and becomes progressively more stenotic caudally. The posterior, membranous portion of the trachea may be partially or completel...
Article

Gardner syndrome

Gardner syndrome is one of the polyposis syndromes. It is characterised by: familial adenopolyposis (FAP) multiple osteomas especially of the mandible, skull and long bones epidermal cysts fibromatoses desmoid tumours of mesentery and anterior abdominal wall  Other abnormalities include: ...
Article

String sign (bowel)

The gastrointestinal string sign (also known as the string sign of Kantor) refers to the string-like appearance of a contrast-filled bowel loop caused its severe narrowing. Originally used to describe the reversible narrowing caused by spasms in Crohn disease, it is now used for any severe narr...
Article

String sign (bowel)

The gastrointestinal string sign (also known as the string sign of Kantor) refers to the string-like appearance of a contrast-filled bowel loop caused its severe narrowing. Originally used to describe the reversible narrowing caused by spasms in Crohn disease, it is now used for any severe narr...

Updating… Please wait.
Loadinganimation

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.