Items tagged “oncology”

445 results found
Case

Pseudotumor and congestive cardiac failure

  Diagnosis certain
Natalie Yang
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

  Diagnosis almost certain
Dr Ruslan Asadov
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

  Diagnosis certain
Frank Gaillard
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

  Diagnosis almost certain
Frank Gaillard
Published 23 Mar 2010
62% complete
CT
Case

Cavitary pulmonary metastases

  Diagnosis almost certain
Maulik S Patel
Published 24 Mar 2010
75% complete
X-ray
Case

Mature mediastinal teratoma (gross pathology)

  Diagnosis not applicable
Frank Gaillard
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...

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