Items tagged “neoplasm”

39 results found
Article

Butterfly glioma

Butterfly gliomas are a high grade astrocytoma, usually a glioblastoma (WHO grade IV), which crosses the midline via the corpus callosum. Other white matter commissures are also occasionally involved. The term butterfly refers to the symmetric wing-like extensions across the midline.  Most freq...
Article

Primary CNS lymphoma

Primary CNS lymphomas (PCNSL) are relatively uncommon tumours, accounting for 2.5% of all brain tumours. By definition, there is no co-existing systemic disease at the time of diagnosis, distinguishing it from CNS involvement from systemic lymphoma (secondary CNS lymphoma). On imaging, PCNSL ch...
Article

Dysembryoplastic neuroepithelial tumour

Dysembryoplastic neuroepithelial tumours (DNET) are benign (WHO Grade I) slow growing glioneuronal tumours arising from either cortical or deep grey matter. The vast majority are centred in cortical grey matter, arise from secondary germinal layers, and are frequently associated with cortical dy...
Article

Ependymoma

Ependymomas represent a relatively broad group of glial tumours most often arising from the lining the ventricles of the brain or the central canal of the spinal cord. They account for ~5% of all neuroepithelial neoplasms, ~10% of all paediatric brain tumours and up to 33% of brain tumours occur...
Article

Gastrointestinal tract lipomas

Gastrointestinal tract (GIT) lipomas are not common and can be found anywhere along the entire length of the gastrointestinal tract.  Epidemiology GIT lipomas are most frequently encountered between the ages of 50 and 70 years 3. Clinical presentation The majority of lipomas are asymptomatic...
Article

Leptomeningeal metastases

Leptomeningeal metastases, also know as carcinomatous meningitis, refers to the spread of malignant cells through the CSF space. These cells can be originated both in primary CNS tumours (e.g. drop-metastases), as well as from distant tumours that have metastasised (haematogenous spread). This ...
Article

Meningioangiomatosis

Meningioangiomatosis is a rare meningovascular hamartomatous plaque like or mass like cortical lesions extending to the overlying lepomeninges (crosses the boundary between intra and extra axial lesions). Given its frequent cortical location, often patients present with seizures. It can be spora...
Article

Meningioma

Meningiomas are extra-axial tumours and represent the most common tumour of the meninges. They are a non-glial neoplasm that originates from the meningocytes or arachnoid cap cells of the meninges, and are located anywhere that meninges are found, and in some places where only rest cells are pre...
Case

Lung carcinoma - on ultrasound

Lung
 Diagnosis possible
Dr Paresh K Desai
Published 01 Apr 2009
19% complete
Ultrasound
Article

Sonographic features of malignant lymph nodes

Lymphadenopathy is quite common, and it is many a time very difficult to differentiate malignant lymphadenopathy from reactive lymphadenopthy. Several gray scale and colour doppler features favour malignancy in a lymph node. Gray scale parameters that favour malignancy size: larger-more likel...
Case

Klatskin's tumour

Image 1
 Diagnosis almost certain
Dr Charudutt Jayant Sambhaji
Published 03 Apr 2009
50% complete
CTX-ray
Case

Maxillary osteosarcoma

Contrast CT
 Diagnosis probable
Dr Paresh K Desai
Published 12 Aug 2009
65% complete
CT
Case

Juvenile nasopharyngeal angiofibroma

Angiofibroma
 Diagnosis probable
Dr Hani Salam
Published 19 Sep 2010
35% complete
CTDSA (angiography)
Case

Islet-cell tumour or the pancreas

CT arterial phase...
 Diagnosis almost certain
Dr Erik Ranschaert
Published 19 Dec 2010
45% complete
CT
Article

Peritoneal mesothelioma

Peritoneal mesothelioma is an uncommon primary tumour of the peritoneal lining. It shares epidemiological and pathological features with but is less common than its pleural counterpart, which is described in detail in the general article on mesothelioma. Other sub-types (also discussed separatel...
Case

Invasive ductal breast carcinoma on CT

 Diagnosis almost certain
Dr Saeed Soltany Hosn
Published 13 Mar 2013
80% complete
CT
Case

Meningioma en plaque

 Diagnosis almost certain
Dr Ahmed Abd Rabou
Published 12 Apr 2013
77% complete
MRI
Case

Glioblastoma NOS

 Diagnosis certain
Dr Ahmed Abd Rabou
Published 21 Apr 2013
95% complete
MRI
Case

Lhermitte-Duclos disease

 Diagnosis probable
Dr Ahmed Abd Rabou
Published 23 Apr 2013
68% complete
MRI
Case

Astrocytoma - grade II

 Diagnosis certain
Dr Ahmed Abd Rabou
Published 03 May 2013
92% complete
MRI

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