Items tagged “oncology”
445 results found
Article
Primary mediastinal large B-cell lymphoma
Primary mediastinal large B-cell lymphoma is a distinct entity, recognized in the WHO classification of lymphoma.
Epidemiology
Primary mediastinal large B-cell lymphoma accounts approximately 5% of large B-cell lymphoma, which is usually disseminated or found in the abdomen. There appears to b...
Case
Gastrointestinal stromal tumor (GIST)
Published
27 Mar 2010
63% complete
Ultrasound
Case
Peripheral nerve sheath tumor
Published
27 Mar 2010
66% complete
Ultrasound
Case
Transitional cell carcinoma of urinary bladder
Published
27 Mar 2010
79% complete
Ultrasound
Case
Oncocytoma of salivary glands - submandibular
Published
09 Apr 2010
91% complete
Ultrasound
Article
Multiple myeloma
Multiple myeloma (MM), also known as plasma cell myeloma, is a multifocal proliferation of plasma cells based in the bone marrow. It is the most common primary malignant bone neoplasm in adults. It arises from red marrow due to the monoclonal proliferation of plasma cells and manifests in a wide...
Article
Hypopharyngeal carcinoma (staging)
Hypopharyngeal carcinoma staging refers to TNM staging of carcinomas originating in the hypopharynx. This system most commonly applies to squamous cell carcinomas but can also apply to rarer epithelial malignancies in the region. The following article reflects the 8th edition published by the Am...
Article
Optic nerve sheath meningioma
Optic nerve meningiomas are benign tumors arising from the arachnoid cap cells of the optic nerve sheath and represent ~20% of all orbital meningiomas, the majority of which are direct extensions from intracranial meningiomas.
These tumors typically appear as masses within the optic nerve, iso...
Article
Inverted papilloma
Inverted papillomas are a type of Schneiderian papilloma, representing an uncommon non-cancerous sinonasal tumor that mostly affects middle-aged men. They occasionally undergo malignant transformation. On imaging, they classically demonstrate a convoluted cerebriform pattern seen on both T2 and ...
Article
Leptomeningeal enhancement
Leptomeningeal enhancement refers to a diffuse or focal gyriform or serpentine enhancement that can be seen in the following conditions:
Diffuse
meningitis
pyogenic meningitis
viral meningitis
tuberculous meningitis (can also be focal)
CNS cryptococcal infection
coccidioidal meningitis (c...
Case
Transitional cell carcinoma of the bladder
Published
26 May 2010
39% complete
CT
Article
Synonyms
Synonyms, located below references when in edit mode, are used in a number of scenarios.
What is a synonym?
A synonym is essentially a 'redirect' to an article. This enables links created to article A to pass to article B, provided article B has an added synonym "article A".
Having extensiv...
Article
Breast imaging-reporting and data system (BI-RADS)
BI-RADS (Breast Imaging-Reporting and Data System) is a risk assessment and quality assurance tool developed by American College of Radiology that provides a widely accepted lexicon and reporting schema for imaging of the breast. It applies to mammography, ultrasound, and MRI. This article refle...
Article
Focal gas collection in right upper quadrant (differential)
Focal gas collection in right upper quadrant on plain radiographs can occur from a number of pathologies. Things to consider are:
enterobiliary fistula: common types include cholecystoduodenal fistula and cholecystocolic fistula. It may occur with:
gallstone ileus (being most common) 3
perfor...
Case
Gastrointestinal stromal tumor (GIST)
Published
19 Jun 2010
62% complete
X-ray
CT
Case
Insulinoma - MEN type 1
Published
12 Aug 2010
74% complete
MRI
Article
Orbital pathology
Orbital pathology covers a variety of diverse diseases that affect the orbit. The complicating factor is that the orbit is composed of a large number of different tissues which each have a plethora of pathologies that can affect them.
Classification
For simplification, they can be separated i...
Article
Parotid gland enlargement
Parotid gland enlargement (also known as parotidomegaly) has a wide differential given the significant breadth of pathology that can affect the parotid gland. These can be separated by a standard surgical sieve approach into infective, inflammatory, immune, neoplastic, infiltrative, and congenit...
Article
Pharyngeal mucosal space
The pharyngeal (or superficial) mucosal space is a deep compartment of the head and neck, located between the fascia of the pharyngeal constrictor muscles (buccopharyngeal or visceral fascia) and the mucosal surface of the nasopharynx, oropharynx, and hypopharynx.
Terminology
Not a true anatom...
Case
Sigmoidorectal intussusception caused by adenocarcinoma
Published
05 Sep 2010
83% complete
CT
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