May 6, 2024 · Mediastinal masses may be caused by a wide variety of neoplastic and non-neoplastic pathologies. It is helpful to identify the location of the mass since this significantly reduces the breadth of the differential diagnosis.

Dec 23, 2024 · Anterior mediastinal masses can be caused by neoplastic and non-neoplastic pathology. These masses arise in the anterior mediastinum, that portion of the mediastinum anterior to the pericardium and below the level of the clavicles. Epidemiology. The prevalence of anterior mediastinal masses on CT is estimated at 0.4-0.9% 4. Differential diagnosis

Jun 28, 2024 · On chest radiography, the differential is that of mediastinal lymph node enlargement and of an anterior mediastinal mass. On CT the differential diagnosis includes: thymic tumors. mediastinal germ cell tumors. sarcoidosis. infection: especially tuberculosis

Apr 19, 2021 · The differential diagnosis for cystic masses of the mediastinum include: foregut duplication cysts. bronchogenic cyst; esophageal duplication cyst; neuroenteric cyst; pericardial cyst; meningocele; lymphangioma; thymic cyst; cystic teratoma of mediastinum; cystic degeneration of an intrathoracic tumor; mediastinal thoracic duct cyst

Oct 18, 2024 · The differential for plain radiography is that of an anterior mediastinal mass. On cross-sectional imaging (CT/MRI), the differential is usually narrowed down to: primary tumors of the thymus. thymic rebound, e.g. post chemotherapy. thymic hyperplasia. lymphoma: primary thymic lymphoma or involvement from systemic lymphoma. mediastinal germ ...

Mar 6, 2020 · The differential diagnosis for a middle mediastinal mass includes 1-3: lymphadenopathy; aneurysm e.g. aortic, pulmonary artery, bronchial artery; congenital cyst. pericardial cyst; foregut duplication cyst (e.g. esophageal, bronchial) pericardial tumor; primary/secondary cardiac tumor; neurogenic tumor (from vagal or phrenic nerves) abscess ...

Superior mediastinum: Yellow. Anterior mediastinum: Orange. Middle mediastinum: Green. Posterior mediastinum: Blue

Feb 27, 2024 · The differential diagnosis of a mediastinal mass is highly dependent on its location within the mediastinum, as this may reveal the structure of origin. Thus, there is a specific differential diagnosis for each compartment: thoracic inlet masses. anterior mediastinal masses. middle mediastinal masses. posterior mediastinal masses

Jun 6, 2024 · The differential diagnosis for a posterior mediastinal mass includes: neoplasm. neurogenic tumors: most common nerve sheath tumors. schwannoma. neurofibroma. malignant peripheral nerve sheath tumor. parasympathetic ganglion tumors. paraganglioma chemodectoma. pheochromocytoma 3. sympathetic chain tumors. neuroblastoma. ganglioneuroblastoma ...

Dec 14, 2024 · Appearances on chest radiography are usually indistinguishable from many of the other causes of an anterior mediastinal mass. Calcification may be visible. CT. CT is the mainstay of diagnosis. The appearance will depend on the type of teratoma, and whether or not a cystic teratoma has ruptured.