Items tagged “oncology”

476 results found
Article

Malignant melanoma

Malignant melanoma is a malignant neoplasm that arises from melanocytes (or cells that derive from melanocytes).  Melanocytes predominantly occur in the basal layer of the epidermis and most melanomas, therefore, arise in the skin.  However, melanocytes do occur in other locations and can give r...
Article

Asbestosis

Asbestosis refers to later development of diffuse interstitial fibrosis secondary to asbestos fibre inhalation and should not be confused with other asbestos related diseases. Epidemiology Asbestosis typically occurs 10-15 years following the commencement of exposure to asbestos and is dose re...
Case

Cerebral metastases: multiple

 Diagnosis almost certain
A.Prof Frank Gaillard
Published 12 Dec 2008
62% complete
CT
Case

Medulloblastoma

 Diagnosis certain
A.Prof Frank Gaillard
Published 01 Jan 2009
92% complete
CT
Case

Chondrosarcoma - low grade - nasal septum

 Diagnosis certain
A.Prof Frank Gaillard
Published 14 Jan 2009
95% complete
CT
Case

Leptomenigeal carcinomatosis - cauda equina

 Diagnosis certain
A.Prof Frank Gaillard
Published 19 Jan 2009
74% complete
MRI
Case

Meningioma of tuberculum sella

 Diagnosis certain
A.Prof Frank Gaillard
Published 27 Jan 2009
80% complete
MRI
Case

Parotid pleomorphic adenoma

 Diagnosis almost certain
Dr G Balachandran
Published 27 Feb 2009
62% complete
CT
Case

Glomus vagale tumour

 Diagnosis certain
Dr Ashwin M Polnaya
Published 30 Mar 2009
86% complete
CTDSA (angiography)
Article

Adrenal calcification

Adrenal calcification is not a rare finding in healthy asymptomatic people and is usually the result of previous haemorrhage or tuberculosis. Addison disease patients only occasionally develop calcification.  Pathology Aetiology Haemorrhage sepsis: Waterhouse-Friderichsen syndrome blunt abd...
Case

Wilms tumour

Abdominal x-ray d...
 Diagnosis certain
A.Prof Frank Gaillard
Published 02 Apr 2009
89% complete
X-rayCT
Article

Duodenal filling defects

Duodenal filling defects may be caused by a wide variety of duodenal pathology which may be divided by their location and pathological process. Extrinsic gallbladder impression common bile duct impression gas-filled diverticulum Intrinsic Note: please refer to duodenal mucosal nodular fill...
Case

Atypical teratoid rhabdoid tumour (AT/RT)

 Diagnosis almost certain
A.Prof Frank Gaillard
Published 16 Apr 2009
69% complete
CTMRI
Article

Hepatomegaly

Hepatomegaly refers to an increase in size or enlargement of the liver.  Pathology Aetiology Hepatomegaly can result from a vast range of pathology including, but not limited to, the following: malignancy/cellular infiltrate multiple metastases lymphoma(s) leukaemia(s) hepatocellular car...
Case

Orbital apex tumour

 Diagnosis certain
Dr Jeremy Jones
Published 20 Jun 2009
71% complete
CT
Article

Cervical lymph node (staging)

Cervical lymph node staging is important in a variety of tumours, especially squamous cell carcinoma of the head and neck. TNM nodal staging Nodal staging is the same for squamous cell carcinomas of most regions of the upper aerodigestive tract of the head and neck, including those of the of t...
Article

Tram-track sign (orbit)

Tram-track sign refers to the parallel thickening and enhancement around the optic nerve, and is most frequently seen in the setting of optic nerve meningioma. It may however also be seen in 1: orbital pseudotumour perioptic neuritis orbital sarcoidosis oribtal leukemia orbital lymphoma or...
Article

Optic nerve enlargement

Enlargement of the optic nerves is uncommon and has a surprisingly broad differential: optic nerve glioma optic nerve meningioma orbital pseudotumour optic neuritis sarcoidosis leukemia orbital lymphoma metastases perioptic haemorrhage Erdheim-Chester disease juvenile xanthogranuloma ...
Article

Brain abscess

Brain abscess is a potentially life threatening condition requiring rapid treatment, and prompt radiological identification. Fortunately, MRI is usually able to convincingly make the diagnosis, distinguishing abscesses from other ring enhancing lesions.  Epidemiology Demographics reflect at-ri...
Article

Cerebral ring enhancing lesions

The differential for peripheral or ring enhancing cerebral lesions includes: cerebral abscess tuberculoma neurocysticercosis metastasis glioblastoma subacute infarct /haemorrhage /contusion demyelination (incomplete ring) tumefactive demyelinating lesion (incomplete ring) radiation necr...

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