Items tagged “oncology”

447 results found
Article

Hypothalamic lesions

Hypothalamic lesions are numerous representing some entities that are unique to the hypothalamus, as well as many lesions that can be seen elsewhere within the brain. Additionally, due to its proximity to the optic chiasm, third ventricle and pituitary region, many lesions of these locations can...
Article

Renal osteodystrophy

Renal osteodystrophy (ROD), also known as uremic osteopathy, is a constellation of musculoskeletal abnormalities that occur in patients with chronic renal failure, due to concurrent and superimposed: osteomalacia (adults)/rickets (children) secondary hyperparathyroidism: abnormal calcium and p...
Case

Mucoepidermoid carcinoma - parotid

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 06 Aug 2008
56% complete
CT
Article

Cerebral ring enhancing lesions (mnemonic)

Convenient mnemonics for the causes of cerebral ring enhancing lesions are: MAGIC DR or DR MAGIC DR MAGIC L MAGICAL DR Mnemonics MAGIC DR or DR MAGIC M: metastasis A: abscess G: glioblastoma I: infarct (subacute phase), inflammatory - neurocysticercosis (NCC), tuberculoma C: contusion ...
Case

Carotid body tumor on angiography

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 26 Sep 2008
68% complete
DSA (angiography)Annotated image
Article

Unilateral testicular lesions

The differential diagnosis for unilateral testicular lesions is wide-ranging.  Neoplastic Common seminoma (40-50% of testicular malignancies) non-seminomatous germ cell tumors: testicular teratoma testicular epidermoid (teratoma with ectodermal elements only) testicular choriocarcinoma t...
Article

Bilateral testicular lesions

Bilateral testicular lesions have a relatively limited differential diagnosis.  Differential diagnosis Neoplastic  lymphoblastic leukemia (acute or chronic) lymphoma (non-Hodgkin's) primary testicular lymphoma is rare but the testes are often the site of lymphoma/leukemia recurrence due to ...
Case

Orbital pseudotumor

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 08 Oct 2008
50% complete
CT
Case

Metastatic malignant melanoma

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 09 Oct 2008
80% complete
CT
Article

Pedunculated intratracheal mass

A pedunculated intratracheal mass has a variety of differential diagnoses: benign tumor, e.g. hamartoma, chondroma, lipoma hemangioma inspissated mucus metastasis to tracheal mucosa, e.g. renal cell carcinoma, melanoma polyp, e.g. inflammatory, antrochoanal papilloma post-intubation trach...
Article

Cerebral radiation necrosis

Cerebral radiation necrosis (or radionecrosis) refers to necrotic degradation of brain tissue following intracranial or regional radiation either delivered for the treatment of intracranial pathology (e.g. astrocytoma, cerebral arteriovenous malformation) or as a result of irradiation of head an...
Case

Skull metastasis and pachymeningeal extension

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 28 Oct 2008
53% complete
CT
Case

Pott puffy tumor

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 31 Oct 2008
48% complete
CT
Article

CT angiogram sign (lungs)

The CT angiogram sign refers to vessels appearing prominent during a contrast enhanced CT as they traverse an airless low attenuation portion of consolidated lung. Although initially thought to be specific for bronchoalveolar carcinoma, it has now been recognized as a generic appearance provided...
Case

Cerebral metastases - lung cancer

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 12 Dec 2008
56% complete
CT
Case

Medulloblastoma

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

Chondrosarcoma - nasal septum

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

Leptomenigeal carcinomatosis - cauda equina

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

Meningioma of tuberculum sella

 Diagnosis certain
Assoc 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