Items tagged “stub”
1,307 results found
Article
Panda sign (disambiguation)
The humble panda has a few signs to its name:
panda sign of the midbrain
double panda sign
panda sign of sarcoidosis
panda eyes (base of skull fracture)
See also
animal and animal produce inspired signs
Article
Raccoon eyes sign (base of skull fracture)
Raccoon eyes sign (or panda eyes in the UK and Ireland) refers to periorbital ecchymosis with sparing of the tarsal plate 3 and is a physical examination finding indicative of a base of skull fracture of the anterior cranial fossa.
However it is not pathognomonic for trauma, and there are sever...
Article
Ballet sign (eyeball)
The ballet sign refers to the paralysis of voluntary movements of the eyeball with preservation of the automatic movements. Sometimes this sign is present with exophthalmic goiter and hysteria.
Article
Brudzinski sign (meningism)
Brudzinski sign occurs in meningitis (of any etiology) or meningism where passive flexion of a patient's neck elicits reflexive bilateral knee and hip flexion; it was originally known as the "nape of the neck sign" and was one of several physical exam maneuvers concurrently described to be chara...
Article
Howship-Romberg sign
The Howship-Romberg sign refers to obturator nerve neuropathy due to compression of the obturator nerve by an obturator hernia. Patients present with pain and paresthesia along the inner aspect of the thigh, down to the knee.
History and etymology
Named after Moritz Heinrich Romberg (1795-1873...
Article
Breast imaging-reporting and data system (BI-RADS) assessment category 6
BI-RADS 6 is one of seven categories of the ACR (American College of Radiology) BI-RADS system and is defined as known biopsy-proven malignancy. This category is used when:
imaging is performed post percutaneous biopsy that demonstrated a malignancy but prior to definitive therapy1
imaging dem...
Article
Rett syndrome
Rett syndrome is a rare neurodegenerative disease seen in young girls in the 2nd to 4th months of life. The majority of cases result from a mutation in the MECP2 gene; a more severe subset of the disease arises from a CDKL5 mutation 1.
Clinical presentation
Following a period of normal develop...
Article
Transverse ligament of the hip
The transverse ligament of the hip bridges the acetabular notch (located anteroinferiorly along the margin of the acetabulum) and joins the two ends of the acetabular labrum, thus forming a complete ring. Beneath it (through the acetabular foramen) pass nutrient vessels which enter the ligamentu...
Article
Viral bronchiolitis
Viral bronchiolitis (plural: bronchiolitides) refers to a bronchiolitis secondary to viral etiology.
Pathology
Viral bronchiolitis is due to viral infection of airways which results in inflammation and peribronchial edema. This can then result in occlusion of the small airways leading to hyper...
Article
Congenital contractural arachnodactyly
Congenital contractural arachnodactyly (CCA) (also known as Beals syndrome) is a rare connective tissue disorder that bears phenotypic similarities to Marfan syndrome, but is genetically distinct. Affected individuals have arachnodactyly, muscle contractures and ear anomalies, but without any oc...
Article
Double bleb sign
A double bleb sign is a sonographic feature where there is visualization of a gestational sac containing a yolk sac and amniotic sac giving an appearance of two small bubbles 2. The embryonic disc is located between the two bubbles. It is an important feature of an intrauterine pregnancy and thu...
Article
Fetal heart beat
Fetal heart beat can be detected as early as 34 days (just under 6 weeks) gestation on good quality, high frequency transvaginal ultrasound, as a crown rump length (CRL) of as little as 1-2 mm.
If a fetal heartbeat cannot be identified with a CRL ≥7 mm using transvaginal scanning, then embryona...
Article
Turbo inversion recovery magnitude
Turbo inversion recovery magnitude (TIRM) is an inversion recovery MRI pulse sequence that displays the magnitude of a turbo/fast spin echo, without regard for the phase/polarity of the longitudinal magnetization. This method of image reconstruction is the dominant form of inversion recovery use...
Article
Cottage loaf sign (liver)
The cottage loaf sign occurs as a result of a right-sided diaphragmatic rupture with partial herniation of the liver through the diaphragmatic defect. The herniated component is separated by a waist at the diaphragm from the larger intra-abdominal component. This shape is reminiscent of a cottag...
Article
FBI sign (lipohemarthrosis)
The FBI sign is an acronym referring to the components that form a lipohemarthrosis. It stands for:
fat
blood
interface
Article
Jumper's knee
Jumper's knee or patellar tendinosis is a chronic insertional injury of the posterior and proximal fibers of the patellar tendon at the site of its origin at the inferior pole of the patella.
Most patellar tendon injuries are the result of repetitive forced extension of the knee as seen in the ...
Article
Stress fracture of the 5th metatarsal
Stress fracture of the 5th metatarsal is the least common fracture type of the proximal 5th metatarsal, with an avulsion fracture being the most common, followed by Jones fracture. Stress fractures typically occur within 1.5 cm of the metadiaphyseal junction, slightly distal to the site of a Jon...
Article
Involucrum
An involucrum (plural: involucra) is a complication of osteomyelitis and represents a thick sheath of periosteal new bone surrounding a sequestrum.
Terminology
Involucrum should be used in the context of chronic osteomyelitis to describe an area of thickened viable bone that forms around an ar...
Article
Masaoka staging system of thymoma
The Masaoka staging system is commonly adopted for thymomas 1-3, and is the most important determinant of survival following surgical resection 4:
stage I: intact thymic capsule
stage II: capsular invasion into adjacent mediastinal fat or pleura
stage III: macroscopic invasion into adjacent o...
Article
WAGR syndrome
The WAGR syndrome or complex stands for:
Wilms tumors (greatly increased risk)
aniridia
genitourinary anomalies
intellectual retardation (disability)
Pathology
Genetics
Occurs from a mutation related to chromosome 11p13 3 which is in close proximity to the WT1 gene.