Items tagged “oncology”
445 results found
Case
Pseudotumor and congestive cardiac failure
Published
16 Feb 2010
74% complete
CT
Article
Scleroderma (pulmonary manifestations)
Pulmonary manifestations of scleroderma are demonstrated histologically in 90% of patients with scleroderma. It is a leading cause of mortality and at autopsy the lung is reportedly involved in close to 100% of cases. However, only 25% of patients will present with respiratory symptoms or demons...
Article
Tuberculosis (intracranial manifestations)
Tuberculosis of the central nervous system can result from either hematogenous spread from distant systemic infection (e.g. pulmonary tuberculosis) or direct extension from local infection (e.g. tuberculous otomastoiditis).
Intracranial manifestations of tuberculosis are protean and can affect ...
Article
Pheochromocytoma
Pheochromocytomas are an uncommon tumor of the adrenal gland, with characteristic clinical, and to a lesser degree, imaging features. The tumors are said to follow a 10% rule:
~10% are extra-adrenal
~10% are bilateral
~10% are malignant
~10% are found in children
~10% are not associated wit...
Article
Malignant pleural mesothelioma (TNM staging)
Below is the eighth edition of the TNM staging system for malignant pleural mesothelioma, which was published in 2018 1.
T - Tumor
Tx: primary tumor cannot be assessed
T0: no evidence of primary tumor
T1
involving ipsilateral parietal pleura (inc. mediastinal and diaphragmatic pleura) +/- v...
Article
Malignant pleural disease
Malignant pleural disease usually heralds a poor prognosis, whether it represents a primary pleural malignancy or metastatic involvement.
Clinical presentation
Clinical presentation is variable. Patients may be asymptomatic or have pleuritic pain. If associated with a sizable pleural effusion...
Case
Rectal cancer
Published
27 Feb 2010
48% complete
CT
Article
Pulmonary metastases
Pulmonary metastases refer to distant tumor spread from a variety of primary tumors to the lungs via the blood or lymphatics.
This article primarily describes hematogenous pulmonary metastases while lymphangitic carcinomatosis is discussed separately.
Epidemiology
Lung metastases are common. ...
Case
Chondrosarcoma - occipital condyle
Published
12 Mar 2010
92% complete
CT
MRI
Article
Radial scar
Radial scar, or complex sclerosing lesion, is a rosette-like proliferative breast lesion. It is not related to surgical scarring. Some authors, however, reserve the latter term to lesions over 1 cm 5.
It is an idiopathic process with sclerosing ductal hyperplasia.
Its significance is that it...
Article
Primary cardiac tumors
Primary cardiac tumors are uncommon and comprise only a small minority of all tumors that involve the heart: most are mediastinal or lung tumors that extend through the pericardium and into the heart, or metastases 1.
Epidemiology
Primary cardiac tumors have an estimated autopsy prevalence of ...
Article
Primary benign cardiac tumors
Primary benign cardiac tumors are much less common than secondary metastatic deposits. However, they are more likely when a cardiac mass is seen outside of the setting of terminal metastatic disease. Tumors include 1,2:
cardiac myxoma
most common in adults
accounts for ~50% of all pr...
Article
FIGO staging system
The FIGO staging systems are determined by the International Federation of Gynecology and Obstetrics (Fédération Internationale de Gynécologie et d’Obstétrique).
In general, there are five stages:
stage 0: carcinoma in situ (common in cervical, vaginal, and vulval cancer)
stage I: confined to...
Article
Cancer staging list
Cancer staging involves a number of systems to help direct treatment and aid prognosis. The AJCC TNM staging schema is the most common, but other systems are used for specific malignancies or body parts.
Breast
breast cancer staging
Chest
lung cancer staging
malignant pleural mesothelioma s...
Case
Squamous cell carcinoma of the tongue
Published
23 Mar 2010
62% complete
CT
Case
Cavitary pulmonary metastases
Published
24 Mar 2010
75% complete
X-ray
Case
Mature mediastinal teratoma (gross pathology)
Published
25 Mar 2010
60% complete
Pathology
Article
Lymphoma
Lymphoma (historically lymphosarcoma was used for diffuse forms of the disease) is a malignancy arising from lymphocytes or lymphoblasts. Lymphoma can be restricted to the lymphatic system or can arise as extranodal disease. This, along with variable aggressiveness results in a diverse imaging a...
Article
Causes of perfusion defects on a VQ scan
There are several causes leading to a perfusion defect on a VQ scan with an acute pulmonary embolus being only one of them:
Vascular causes
acute pulmonary embolus
previous pulmonary embolus (including fat embolism, thromboembolism, air embolism, tumor)
vasculitides affecting the pulmonary v...
Article
WHO classification of haematolymphoid tumors
The World Health Organization (WHO) classification of haematolymphoid tumors is the most widely used pathologic classification system for hematopoietic and lymphoid neoplasms. The current revision 1, known as the 5th edition, was published in 2022 and supersedes the 4th edition revised published...