Pulmonary emphysema | Radiology Reference Article
2024年11月14日 · Pulmonary emphysema is defined as the "abnormal permanent enlargement of the airspaces distal to the terminal bronchioles accompanied by destruction of the alveolar wall and without obvious fibrosis" 1. Emphysema is best evaluated on CT, although indirect signs may be noticed on conventional radiography in a proportion of cases.
Emphysema on chest x-ray | Radiology Case | Radiopaedia.org
This case is a nice example of emphysema on chest x-ray without overtly flattened hemidiaphragms but quite increased retrosternal airspace that contributes to lung hyperexpansion. 3 articles feature images from this case
Chronic obstructive pulmonary disease | Radiology Reference …
2024年5月30日 · Emphysema. Emphysema is diagnosed by alveolar septal destruction and airspace enlargement, which may occur in a variety of distributions. Centrilobular emphysema is predominantly seen in the upper lobes with panacinar emphysema predominating in the lower lobes. Paraseptal emphysema tends to occur near lung fissures and pleura.
COPD (summary) | Radiology Reference Article - Radiopaedia.org
2024年6月27日 · in the absence of an alternative explanation for the symptoms and airflow limitation is diagnostic of COPD 1. chest x-ray. exclude alternative diagnoses. evaluate for co-morbidities. e.g. interstitial lung disease, lung cancer with airway obstruction ... centrilobular emphysema: this is the most common type of smoking-related emphysema; ...
Centrilobular pulmonary emphysema | Radiology Reference Article ...
2024年10月7日 · Centrilobular or centriacinar pulmonary emphysema is the most common morphological subtype of pulmonary emphysema 2. Epidemiology Centrilobular emphysema may be found in up to one-half of adult smokers at autopsy 1. Risk factors cigarette smo...
Pulmonary interstitial emphysema | Radiology Reference Article ...
2024年4月18日 · Pulmonary interstitial emphysema may also present with air-block complications such as pneumomediastinum, pneumothorax, pneumopericardium, pneumoperitoneum, or subcutaneous emphysema. Pathology. Pulmonary interstitial emphysema almost always occurs during the first weeks of life in newborns on ventilatory support.
Pulmonary bulla | Radiology Reference Article - Radiopaedia.org
2024年10月2日 · Terminology. A giant bulla (see: Idiopathic giant bullous emphysema) is arbitrarily defined as one that occupies at least one third of the volume of a hemithorax 5. Pathology. Although bullae are typically larger than blebs, there is no defining size limit for either entity in the 2024 Fleischner glossary 6, although a size of >1 cm was defined in the 2008 Fleischner glossary 7.
Panlobular emphysema | Radiology Reference Article
2024年10月7日 · Microscopically emphysema is depicted by abnormally enlarged alveoli with floating alveolar septa but as the disease progresses the lung parenchyma is further destroyed and intervening alveoli walls become harder to find. The term "panlobular" refers to the involvement of the entire acinus in contrast to the centrilobular distribution in a smoker.
Surgical emphysema (summary) | Radiology Reference Article ...
2018年5月24日 · This is a basic article for medical students and other non-radiologists Surgical emphysema (or subcutaneous emphysema) occurs when air/gas is located in the subcutaneous tissues (the layer under the skin). This usually occurs in the chest, face ...
Combined pulmonary fibrosis and emphysema | Radiology …
2024年4月2日 · Treatment and prognosis Complications. The risk of the development of pulmonary hypertension is considered to be notably higher in those patients with CPFE than in those with idiopathic pulmonary fibrosis (IPF) without emphysema 1,2.. Patients may have a higher risk of developing lung cancer 11.. Lung cancer occurring in those with combined pulmonary fibrosis and emphysema may have a poorer ...