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A mediastinal tumor is a tumor in the mediastinum, the cavity that separates the lungs from the rest of the chest. It contains the heart , esophagus , trachea , thymus , and aorta . The most common mediastinal masses are thymoma (20% of mediastinal tumors), usually found in the anterior mediastinum, followed by neurogenic Timor (15–20% ...
An incidentally discovered colloid nodule with calcification, shown on CT scan of a 58-year-old female patient. a Non-enhanced axial CT scan of the neck demonstrates a coarse calcification at the left thyroid inferior pole. b Sagittal grey scale ultrasound of the thyroid demonstrates a heterogeneous nodule with a predominant cystic component.
On resection this was found to be a benign solitary fibrous tumor of the pleura. The hilum overlay sign is an imaging appearance on chest radiographs in which the outline of the hilum can be seen at the level of a mass or collection in the mid chest. [ 1 ]
Mass effect; Mathe's sign; Mediastinal shift; Mercedes Benz sign; Mickey Mouse ears; Mickey Mouse pelvis; Midline shift; Misty mesentery sign; Modic changes; Molar tooth sign; Moulage sign; Mumoli's sign
CT scan of the chest showing bilateral lymphadenopathy in the mediastinum due to sarcoidosis. Bilateral hilar lymphadenopathy is a bilateral enlargement of the lymph nodes of pulmonary hila. It is a radiographic term for the enlargement of mediastinal lymph nodes and is most commonly identified by a chest x-ray.
Mediastinal shift is an abnormal movement of the mediastinal structures toward one side of the chest cavity. A shift indicates a severe imbalance of pressures inside the chest. [ 1 ] Mediastinal shifts are generally caused by increased lung volume, decreased lung volume, or abnormalities in the pleural space.
Tumor markers such as serum beta-human chorionic gonadotropin and alpha-feto protein are negative. The ultrasound patterns of epidermoid cysts are variable and include: A mass with a target appearance, i.e. a central hypoechoic area surrounded by an; echolucent rim; An echogenic mass with dense acoustic shadowing due to calcification;
Download QR code; Print/export ... Mediastinal lymph nodes are lymph nodes located in the mediastinum. [1] Pathology. Mediastinal lymphadenopathy; Mediastinal mass ...