Search results for “COPD”
15 results found
Article
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is an extremely rare but underdiagnosed pulmonary disorder at the benign end of the neuroendocrine cell proliferation spectrum of preinvasive lesions of the lungs.
The diagnosis can be suggested when CT demonstrates charact...
Article
CEA
Serum CEA (carcinoembryonic antigen) is a cell-adhesive glycoprotein that was discovered in colorectal cancer in 1965, and is hence one of the oldest and most used tumor markers. Its name derives from its normal expression in fetoembryonic liver, gut and pancreas tissue.
Normal range of CEA is ...
Article
Tobacco use
Tobacco use, most commonly by smoking cigarettes, is a drug habit of many throughout the world. It is a significant risk factor for many malignancies, and respiratory and cardiovascular diseases and is a major cause of premature mortality throughout the world.
Epidemiology
The World Health Org...
Case
Left upper lobe collapse
Published
07 Oct 2020
95% complete
CT
X-ray
Case
Incidental thoracic aortic pseudoaneurysms and pulmonary squamous cell carcinoma
Published
01 Oct 2021
71% complete
CT
X-ray
Article
Pleuropulmonary blastoma
Pleuropulmonary blastomas are a rare, variably aggressive, childhood primary intrathoracic malignancy. In up to 25% of cases, the mass can be extrapulmonary with attachment to the parietal pleura. They are classified under sarcomatoid carcinomas of the lungs.
Epidemiology
Pleuropulmonary blas...
Article
Pulmonary opacification
Pulmonary opacification represents the result of a decrease in the ratio of gas to soft tissue (blood, lung parenchyma and stroma) in the lung. When reviewing an area of increased attenuation (opacification) on a chest radiograph or CT it is vital to determine where the opacification is. The pat...
Case
Pancoast tumor presenting with Horner syndrome
Published
14 Jan 2020
94% complete
X-ray
Article
Syndrome of inappropriate antidiuretic hormone secretion
The syndrome of inappropriate antidiuretic hormone secretion (SIADH or SIAD) (also known as Schwartz-Bartter syndrome) was initially described in patients with lung cancer who developed hyponatremia associated with continued urinary sodium loss. The result is often dilutional hyponatremia in whi...
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...
Case
Diffuse large B cell lymphoma
Published
31 Aug 2020
92% complete
CT
Ultrasound
MRI
Article
Lung cancer
Primary lung cancer is a broad term referring to the main histological subtypes of primary lung malignancies that are mainly linked with inhaled carcinogens, with tobacco smoke being a key risk factor.
This article will broadly discuss all the histological subtypes as a group, focussing on the...
Case
Lung cancer with rib fracture
Published
18 Apr 2014
77% complete
X-ray
CT
Case
Colon cancer
Published
05 Jan 2021
92% complete
CT
Case
Silicosis complicated by lung cancer
Published
23 May 2020
80% complete
CT
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