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Updated: Feb 25, 2026

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
Published on: January 13, 2023
A STUDY OF SUPERIOR VENA CAVA OBSTRUCTION SYNDROME.
1Classified Specialists (Medicine & Chest Diseases), Dept of Respiratory Medicine, Army Hospital. Delhi Cantt - 110010.
Malignancy, particularly bronchogenic carcinoma, is the primary cause of superior vena cava obstruction syndrome (SVCOS). Benign causes are rare, and invasive procedures were safe in this study of 22 patients.
Area of Science:
- Oncology
- Pulmonology
- Radiology
Background:
- Superior vena cava obstruction syndrome (SVCOS) is a critical condition often associated with advanced thoracic malignancies.
- Understanding the etiological patterns and clinical presentations is crucial for timely diagnosis and management.
Purpose of the Study:
- To investigate the etiological factors and clinical characteristics of superior vena cava obstruction syndrome (SVCOS).
- To evaluate the safety of invasive diagnostic procedures in patients with SVCOS.
Main Methods:
- Retrospective analysis of 22 patients diagnosed with superior vena cava obstruction syndrome (SVCOS).
- Review of patient records, including diagnostic imaging (chest radiography, CT scan) and procedural outcomes.
- Correlation of smoking history with disease etiology.
Main Results:
- Malignancy was the predominant cause of SVCOS, accounting for 81.9% of cases.
- Bronchogenic carcinoma was the most frequent etiology (59.9% of all cases).
- Benign causes were identified in only 18.1% of patients; normal lung fields on imaging suggested benign disease in 2 cases.
- Heavy smokers were strongly associated with malignancy (59.9%).
- No complications were reported following invasive diagnostic procedures.
Conclusions:
- Superior vena cava obstruction syndrome (SVCOS) is predominantly caused by malignancy, with bronchogenic carcinoma being the leading contributor.
- Benign etiologies are uncommon. Normal lung fields on imaging may indicate a benign cause.
- Invasive diagnostic procedures are safe and effective in the workup of SVCOS.
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