Items tagged “oncology”

445 results found
Case

Tenosynovial giant cell tumor

  Diagnosis probable
Frank Gaillard
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)

  Diagnosis almost certain
Frank Gaillard
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

  Diagnosis probable
Hani Makky Al Salam
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

  Diagnosis probable
Frank Gaillard
Published 10 Jan 2010
50% complete
CT
Case

Pott puffy tumor

  Diagnosis almost certain
Frank Gaillard
Published 17 Jan 2010
71% complete
CT
Case

Neuroblastoma

  Diagnosis certain
Jeremy Jones
Published 17 Jan 2010
87% complete
CT
Case

Gastrointestinal stromal tumor complicated by liver abscess

  Diagnosis probable
Hani Makky Al Salam
Published 18 Jan 2010
68% complete
CT
Case

Dysembryoplastic neuroepithelial tumor

  Diagnosis probable
Hani Makky Al Salam
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

  Diagnosis certain
Frank Gaillard
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

  Diagnosis probable
Hani Makky Al Salam
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...