Items tagged “re-write”
142 results found
Article
Viral meningitis
Viral meningitis is a relatively common self-limiting type of CNS infection clinically diagnosed based on the cerebrospinal fluid analysis and proportionally more frequent in young children than adults. Enteroviruses represent nowadays the most common cause of viral meningitis for all ages in th...
Article
Cerclage wire
Cerclage wire refers to a type of orthopedic fixation/stabilization wire placed to approximate fractured bone fragments.
Types
full - 360° circumferential wire used in diaphysis segments of long bones
hemicerclage - wire is placed through one of the main fractured bone fragments, as used in t...
Article
Chronic thromboembolic pulmonary hypertension
Chronic thromboembolic pulmonary hypertension (CTEPH) is a distinct subgroup of pulmonary hypertension that most frequently develops following massive or repeated pulmonary embolism.
Terminology
The term CTEPH should be used for patients with chronic thromboembolic disease and pulmonary hypert...
Article
Vermian lobulation
Evaluation of vermian lobulation is essential in assessment of the vermian maturity. MRI is a useful tool in assessment of the fetal posterior fossa.
Radiographic features
Normal vermian lobulation by weeks 1:
by 21 weeks: the prepyramidal fissure can be seen between the tuber and pyramis
21...
Article
Histoplasmosis
Histoplasmosis is an endemic mycosis caused by Histoplasma capsulatum.
Pulmonary histoplasmosis is the most common manifestation of this infectious disease. Disseminated histoplasmosis is often seen in immunosuppressed patients. As such, these are included among the infectious etiologies of AI...
Article
Craniorachischisis
Craniorachischisis, also known as craniorachischisis totalis, is a rare birth defect and the most severe of the neural tube defects. It refers to the presence of both anencephaly and spina bifida.
Epidemiology
In one study the prevalence of craniorachischisis was 0.51 per 10,000 live births in...
Article
Periprocedural anticoagulation
Periprocedural anticoagulation planning is essential when planning an interventional procedure so that the best balance between the risk of bleeding and thrombosis can be achieved.
The following must be considered in assessment of periprocedural anticoagulation:
bleeding risks associated with ...
Article
Cylindrical bronchiectasis
Cylindrical bronchiectasis, also known as tubular bronchiectasis, is the most commonly identified morphologic type of bronchiectasis where there is smooth uniform enlargement of bronchi with loss of the normal distal tapering of the airways but without focal outpouchings or tortuosity.
For a ge...
Article
Marginal zone lymphoma
Marginal zone lymphomas are a group of low grade non-Hodgkin lymphoma that arise from the marginal zone of B cell germinal follicles in lymph nodes. There are three types of marginal zone lymphomas depending on the site of origin, namely mucosa-accosiated lymphoid tissue (MALT), splenic and extr...
Article
Accessory anterior inferior tibiofibular ligament
The accessory anterior inferior tibiofibular ligament (accessory AITFL), also known as Bassett's ligament, is an anatomical variant present in many ankles. Pathological thickening of the accessory ligament is seen in the setting of inversion injury that causing the pain due to mild anterior inst...
Article
Skin cancer
Skin cancers refer to malignancies arising from the skin.
This is a general discussion of skin cancers, for discussions of specific skin cancers please refer to individual articles.
Epidemiology
Overall, skin cancers are the most common human malignancy 1.
Pathology
Primary skin malignancy ...
Article
Kashin-Beck disease
Kashin-Beck disease (KBD) is a rare chronic condition, comprising an osteochondropathy with a concurrent necrosis of the joints.
Epidemiology
The disease has traditionally been endemic to areas of Tibet, China, North Korea, and Siberian Russia, and is usually diagnosed in pre-teenage children....
Article
Pseudo-TORCH syndrome
Pseudo-TORCH syndrome is a term used to denote cases that clinically resemble congenital infection (see congenital TORCH infections) but where no organisms or serological, microbiological or immunological evidence of infection can be identified 1. It is believed that pseudo-TORCH syndrome is act...
Article
Sclerodactyly
Sclerodactyly refers to fibrotic tightening and thickening of the skin, with atrophy of the soft tissues, of fingers and toes.
Pathology
Etiology
scleroderma: seen in ~25%
CREST syndrome: seen in ~5%
mixed connective tissue disease
History and etymology
Sclerodactyly is derived from the ...
Article
Serpent sign
The serpent sign, (also knowns as the snake sign), is a sign described in hydatid disease. The WHO classification (2001) or Gharbi classification (1985) of hydatid disease describe several stages on ultrasound 1.
During the active stage, the cyst is composed of three layers: the outer (pericyst...
Article
Decompression illness
Decompression illness (DCI) encompasses decompression sickness (DCS) and arterial gas embolism. The term decompression illness refers to inert bubble-induced dysbaric disease regardless of the location of the bubbles, which may be in the tissues or in the intravascular spaces. The bubbles arise ...
Article
Hepatosplenomegaly
Hepatosplenomegaly is simply the simultaneous presence of a pathologically-enlarged liver (hepatomegaly) and spleen (splenomegaly).
Pathology
Etiology
Infection
Many infections can produce a mild concurrent enlargement of the liver and spleen. This list is by no means exhaustive.
viral
EBV...
Article
Pulmonary blastoma
Pulmonary blastomas comprise a rare group of lung tumors principally consisting of immature mesenchymal and epithelial structures that structurally mimic the embryonic lung.
Epidemiology
Pulmonary blastomas are usually diagnosed in pediatric populations, however have been identified in young a...
Article
Lichen planus
Lichen planus refers to a dermatological condition that typically affects the skin, nails, oral cavity, genitals or perineum.
Epidemiology
The prevalence of lichen planus varies according to studies but is estimated to be approximately 0.22-5% worldwide. Lichen planus occurs in all age groups,...
Article
Sanjad Sakati syndrome
Sanjad Sakati syndrome, also known as hypoparathyroidism-intellectual disability-dysmorphism syndrome, is a rare autosomal recessive disorder.
Epidemiology
The syndrome is almost exclusively found in people of Arab origin. There is an equal distribution in both sexes.
Clinical presentation
h...
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