Items tagged “oncology”
445 results found
Case
Tenosynovial giant cell tumor
Published
16 Sep 2009
22% complete
Ultrasound
X-ray
Article
Brachytherapy
Brachytherapy, also known as sealed source radiotherapy or endocurietherapy, is a form of radiotherapy where a radioactive source is placed, under the guidance of imaging, within or next to the area requiring treatment. This provides localized targeted internal radiation.
Brachytherapy has been...
Case
Pulmonary metastases (colorectal carcinoma)
Published
24 Oct 2009
59% complete
CT
X-ray
Article
Vertebra plana
Vertebra plana (plural: vertebrae planae), also known as the pancake, silver dollar or coin-on-edge vertebra, is the term given when a vertebral body has lost almost its entire height anteriorly and posteriorly, representing a very advanced compression fracture.
Pathology
It can occur in a var...
Case
Carotid body tumor
Published
10 Nov 2009
68% complete
MRI
Article
Hepatic peliosis
Hepatic peliosis is a rare benign vascular condition characterized by dilatation of sinusoidal blood-filled spaces within the liver. There may be involvement of other organs, most commonly the spleen and bone marrow. It can be seen in a variety of settings and is important as appearances may mim...
Case
Pancoast tumor
Published
10 Jan 2010
50% complete
CT
Case
Pott puffy tumor
Published
17 Jan 2010
71% complete
CT
Case
Neuroblastoma
Published
17 Jan 2010
87% complete
CT
Case
Gastrointestinal stromal tumor complicated by liver abscess
Published
18 Jan 2010
68% complete
CT
Case
Dysembryoplastic neuroepithelial tumor
Published
20 Jan 2010
59% complete
MRI
Article
Neuroblastoma (staging)
There are two methods of neuroblastoma staging, one that is based on post-operative patients (INSS) and one developed for pre-treatment patients (INRGSS).
Staging
International Neuroblastoma Staging System (INSS)
This staging system is for post-operative patients and mainly for prognosis 1:
...
Article
Childhood malignancies
Unfortunately the pediatric population is susceptible to malignancies. The most common entities, in overall order of frequency, are 1-4:
leukemia/lymphoma: ~35% *
acute lymphoblastic leukemia: 23%
Hodgkin disease: 5%
acute myelogenous leukemia: 4%
central nervous system malignancies: ~20%
...
Article
Congenital neuroblastoma
Congenital neuroblastoma is defined as neuroblastoma identified within a month of birth, and is divided into:
fetal neuroblastoma
neonatal neuroblastoma
In most cases they present as stage 1, 2 or 4S (see neuroblastoma staging).
Fetal neuroblastoma
In 90% of cases, fetal neuroblastomas aris...
Case
Bone infarcts
Published
25 Jan 2010
86% complete
MRI
X-ray
Article
Solitary sclerotic bone lesion
Solitary sclerotic bone (osteosclerotic or osteoblastic) lesions are lesions of bone characterized by a higher density or attenuation on radiographs or computer tomography compared to the adjacent trabecular bone. However, a specific density range has not been specified for those terms 1.
Diffe...
Article
Congenital heart disease chest x-ray (an approach)
With the advent of echocardiography, and cardiac CT and MRI, the role of chest x-rays in evaluating congenital heart disease has been largely relegated to one of historical and academic interest. However, they continue to crop up in radiology exams. In most instances a definite diagnosis cannot ...
Article
Langerhans cell histiocytosis (skeletal manifestations)
The skeleton is the most commonly involved organ system in Langerhans cell histiocytosis (LCH) and is by far the most common location for single-lesion LCH, often referred to as eosinophilic granuloma (EG) (the terms are used interchangeably in this article). For a general discussion of this dis...
Case
Solid pseudopapillary tumor of the pancreas
Published
08 Feb 2010
39% complete
CT
Article
HIV associated neoplasms
HIV-associated neoplasms are numerous and can be broadly divided into two groups:
AIDS-defining malignancies
associated but not AIDS defining malignancies
AIDS-defining malignancies
The development of these malignancies in HIV affected individuals generally implies progression to AIDS...