If you have asthma, you may experience one or more of the following symptoms: Wheezing - A whistling sound heard when breathing in or out. Coughing - A cough that may not go away and often occurs or worsens at night or early morning. Chest Tightness - Feeling as if something is squeezing or sitting on your chest.
A mediastinoscopy may be performed on an outpatient basis or as part of your stay in a hospital. The procedure will be performed while you are asleep under general anesthesia. Procedures may vary depending on your condition and your doctorâs practices.
1 Mediastinal masses are diagnosed by CT scan, barium studies, nuclear scans, FNAC, mediastinoscopy. 2  The CT scan can help define the anatomic location of the mass, determine its morphology and attenuation coefficient (cystic, fatty, enhancement characteristics, and soft tissue),