Items tagged “stub”
1,310 results found
Article
Bone deformity from softening
Conditions associated with bone deformity from softening includes:
hourglass thorax
bowing of long bones
acetabular protrusion
buckled/compressed pelvis
biconcave vertebral bodies / codfish vertebra
Article
Lytic bone lesion on both sides of joint (mnemonic)
Lesions that can cause a lytic bone lesion on both sides of joint includes :
synovioma
angioma
chondroid lesion
This can be remembered by the mnemonic - SAC
Article
Epiphyseal overgrowth (differential)
The differential diagnosis of epiphyseal overgrowth includes:
juvenile rheumatoid arthritis
hemophilia
Legg-Perthes disease (healed )
dysplasia epiphysealis hemimelica
fibrous dysplasia of epiphysis
Winchester syndrome
infection
tuberculous arthritis
pyogenic arthritis (chronic)
fungal...
Article
Dialysis disequilibrium syndrome
Dialysis disequilibrium syndrome (DDS) is characterized by the development of neurological symptoms following the rapid removal of urea during hemodialysis. It develops primarily from an osmotic gradient that develops between the brain and the plasma as a result of rapid haemodialysis. It usuall...
Article
Very bizarre generalized lesions of bone (differential)
Very bizarre generalized lesions of bone tend to make you exclaim "Oh my! What is going here?" Although there are numerous potential causes, in this situation it is worth thinking of a number of entities:
skeletal dysplasias and metabolic diseases
Paget disease
fibrous dysplasia
phakomatose...
Article
Contrast resolution
Contrast resolution in radiology refers to the ability of any imaging modality to distinguish between differences in image intensity. The inherent contrast resolution of a digital image is given by the number of possible pixel values, and is defined as the number of bits per pixel value.
Imagi...
Article
Signal flare phenomenon
The signal flare phenomenon is a useful sign to identify active bleeding in a liquefied hematoma with hematocrit effect on dynamic CT scan images.
When active arterial hemorrhage is present in a liquefied hematoma that has a hematocrit effect, a signal flare phenomenon may be seen as a linear, ...
Article
Parachordoma
Parachordomas are rare neuroepithelial tumors with glial differentiation that are histologically similar to chordomas but do not occur in the axial skeleton.
Pathology
They are generally slow growing and non-disseminating, and sometimes have a late local recurrence after resection.
Location
...
Article
Cavitating mesenteric lymph node syndrome
Cavitating mesenteric lymph node syndrome is seen in association with celiac disease and is characterized by the triad of:
splenic atrophy
low attenuation lymphadenopathy that sometimes contains fat-fluid levels
villous atrophy
Terminology
Both "cavitating" and "cavitary" are ...
Article
Guardsman fracture
A guardsman fracture, also referred to as parade ground fracture, is one of the common forms of mandibular fracture which is caused by a fall on the midpoint of the chin resulting in fracture of the symphysis as well as both condyles.
It is usually seen in epileptics, elderly patients and occas...
Article
Hepatic haemangiomatosis
Hepatic haemangiomatosis is a condition in which there are multiple hemangiomas affecting the liver.
Terminology
When the lesions are spread throughout the liver, then this is termed diffuse hepatic haemangiomatosis.
Pathology
Associations
giant liver hemangioma 2
Radiographic features
CT...
Article
Salt and pepper sign (skull)
Salt and pepper sign or pepper pot skull refers to multiple tiny well-defined lucencies in the calvaria caused by resorption of trabecular bone in hyperparathyroidism. There is a loss of definition between the inner and outer tables of the skull and a ground-glass appearance as well as spotty de...
Article
Rice grain calcification
Rice grain calcification is characteristic of infection with Taenia solium (cysticercosis); when the inflammatory response of the host kills the larval cysts (cysticerci), they undergo granulomatous change and become calcified.
Radiographic features
Ovoid flecks of calcification resembling gra...
Article
Champagne glass pelvis (achondroplasia)
The champagne glass pelvis is a helpful sign in achondroplasia in which the iliac blades are flattened, giving rise to a pelvic inlet that resembles a champagne glass. The acetabular angles are flattened (horizontal) and the sacrosciatic notch is small.
Article
Loop-to-loop colon
The loop-to-loop colon describes an abnormal colonic course associated with the absence of the left kidney from the renal fossa.
The transverse colon extends to the lateral margin of the abdominal wall and the descending colon courses medially to fill the renal fossa, resulting in a "looped" c...
Article
Triangular cord sign (biliary atresia)
The triangular cord sign is a triangular or tubular echogenic cord of fibrous tissue, representing the ductal remnant of the extrahepatic bile duct, seen in the porta hepatis at ultrasonography, and is relatively specific for the diagnosis of biliary atresia 1,2.
This sign is useful in the eval...
Article
Gallbladder sludge
Gallbladder sludge, also known as biliary sand, biliary sediment, or thick bile, is a mixture of particulate matter and bile, normally seen as a fluid-fluid level in the gallbladder on ultrasound, corresponding to the precipitate of bile solutes.
Terminology
The term biliary microlithiasis is...
Article
Heiner syndrome
The Heiner syndrome is a rare form of primary pulmonary hemosiderosis associated with an allergy to cow's milk. The syndrome includes:
rectal blood loss with hypochromic microcytic anemia
pulmonary infiltrates (often recurrent)
hypoproteinemia
See also
pulmonary hemosiderosis
Article
Microcystic honeycombing
Microcystic honeycombing is an HRCT imaging descriptor not in common use that is given to denote extremely small cysts typically occurring in a subpleural location on a background of interstitial lung disease. Some authors suggest that the size of cysts should be <4 mm in order to be classified ...
Article
Fibrotic idiopathic interstitial pneumonia
The term fibrotic idiopathic interstitial pneumonia (FIIP) refers to a morphological subset of idiopathic interstitial pneumonia where there is greater than 5% of honeycombing present on HRCT 1.
See also
fibrotic non specific interstitial pneumonitis