13rd year Junior Resident, Department of Radiology, Krishna Institute of Medical Sciences, Karad
2Professor and Hod, Department of Radiology, Krishna Institute of Medical Science
3Consultant Physician and Diabetologist, Patil Hospital Pvt Ltd
4Statistician, Directorate of Research, Krishna Institute of Medical Sciences “Deemed To Be University”, Karad, Maharashtra (India)
*Corresponding Author: Dr. Utkarsha Patil, Department of Radiology, Krishna Institute of Medical Sciences, Karad, Maharashtra (India), Pin-415110 Phone: -+91-8380043770 Email: patilutkarsha3@gmail.com
Online published on 20 March, 2019.
The mediastinum is an extremely complex area. The multitude of diseases affecting the mediastinum vary considerably, ranging from tumors (benign to extremely malignant) cysts, vascular anomalies, lymph node (LN) masses, mediastinitis, mediastinal fibrosis, and pneumo-mediastinum. The differential diagnosis of a mediastinal mass on CT is usually based on several findings, including its location, identification of the structure from which it is arising. Hence the present study was done to assess the role of multi-detector CT in detection and evaluation of mediastinal masses.
51 patients with the clinically suspected cases of mediastinal masses or who had a chest radiograph with suspicion of mediastinal abnormality. Patients of all age group coming with a mediastinal mass or mediastinal widening on chest x-ray were included. Patients who are hypersensitive to contrast dye and patients with deranged renal parameters were excluded. Somatom emotion 16 slice equipment was used. Plain scan and triphasic scan. Which includes 3 phases viz. Arterial, venous & delayed with 3D reconstruction.
Anterior mediastenum comprised of Lymphoma (36.46%), Invasive thymoma (19.2%), thymoma (15.38%), Metastatic lymph nodes (11.53%), Tuberculous lymph nodes(7.69%), sarcoma, malignant teratoma and metastasis. Metastatic lymph nodes (46.15%), Tuberculous lymph nodes (38.46%). Other rare masses in middle mediastenum were, bronchogenic cyst and lymphatic malformation. Extra medullary hemopoiesis (33.33%), Neural tumours (33.33%), Paravertebral abscess (16.66%) and Tuberculous lymph node (8.33%) were the commonest lesions in the Posterior mediastinum.
Anterior mediastinal masses formed majority of the total masses while posterior mediastinal masses and middle mediastinal masses comprised 23.52% and 25.49% of the total masses respectively. In which we found that the CT is 95.83% accurate in diagnosing mediastinal masses as compared to histopathological examination. Hence finally we conclude that the use of CT scan greatly expedites the diagnosis process.
Computed Tomography, Mediastinal Masses, Mediastinal Abnormality
