2024年10月31日 · Primary tracheal and endobronchial lesions occur within the tracheal or bronchial lumen 8. They are rare and are more commonly malignant than benign ref. Pathology Malignant. primary malignant endobronchial lesions. bronchogenic adenocarcinoma. squamous cell carcinoma: commonest malignant lesion in the tracheal region. small cell carcinoma ...

2013年7月24日 · MDCT has emerged as the modality of choice for imaging suspected large-airway diseases. It allows a rapid and noninvasive evaluation of the tracheobronchial tree. Importantly, with current CT detectors, the spatial resolution is …

Squamous cell carcinoma usually has a destructive pattern with invasion of surrounding structures. Carcinoid is a well circumscribed endobronchial lesion, that rarely involves the trachea. Macroscopic fat may be seen in either hamartoma or lipoma. Mucus has low density and is usually only seen in lung window settings.

2016年9月20日 · Air crescent around lesion should suggest endobronchial lesion (also seen with intracavitary lesions)

2024年10月17日 · Endobronchial lipomas are rare benign lesions arising from the adipose tissue in the submucosal layer of the bronchial wall. Rare benign tumor with a possible male predilection. Presenting symptoms include a cough, sputum, hemoptysis and dyspnea; however, patients may be asymptomatic.

CT scan at level of right bronchus intermedius obtained after administration of contrast material shows horseshoe-shaped, fat-attenuated endobronchial lesion in right bronchus intermedius. Fig. 1B —75-year-old man with endobronchial hamartoma with fat …

2023年8月10日 · In this article, the broad range of malignant and benign tracheobronchial neoplasms is reviewed, including epidemiologic factors, imaging findings, typical anatomic locations, bronchoscopic appearances, and histopathologic features, as a practical guide for radiologists who interpret chest CT studies.

2021年7月3日 · Endobronchial metastases are an uncommon form of intrathoracic metastases. They are much less common than intrapulmonary metastases. Clinical presentation. The clinical presentation varies and includes: Frequently described primary malignancies associated with endobronchial metastases include: Treatment and prognosis.

2024年11月2日 · Cross-sectional imaging and bronchoscopy have been used for mapping and sampling endoluminal bronchial lesions. Exophytic polypoidal growth, bronchial wall thickening, finger-glove shape or branching configuration is seen on …

A, Contrast-enhanced CT scan shows low-attenuation (42 H) endobronchial mass ( arrow ) obstructing apical segmental bronchus of right upper lobe. B, Lung specimen shows mass ( arrows ) in segmental bronchus.