Anterior mediastinal mass in 18 yrs old male –
Correct Answer: Thymoma
Description: Ans. is 'a' i.e., Thymoma Mediastinumo It is situated b/w the lungs in the center o the thoraxo It is divided into 3 compartmentsy Anterior or Anterosuperioro It lies in front of the anterior pericardium &trachea.y Middle mediastinum or Visceral compartmento It lives within the pericardial cavity including the tracheay Posterior mediastinum or paravertebral suleio It lies posterior to te post pericardium & trachea Anatomic division of the mediastinumLocations of the common Mediastinal MassesAnterior mediastinumMiddle MediastinumPost. Mediastinumo Thymoma (most common in Ant. med.)o Cysts (MC in Mid. Med.)o Neurogenic tumors (MC overall)# pleuropericardialo Meningoceleso Lymphoma# bronchogenico Gastroenteric cysto Germ cell tumors# enterogenouso Mesenchymal tumorso Mesenchymal tumors# neuroenterico Pheochromocytomao Thyroid & parathyroid masseso Vascular masses (aneurysm)o Lymphomao Lymph node enlargement (including lymphoma)o Thymic cysto Mesenchymal tumorso Pheochromocytomao MC tumor in middle Mediastinum-Lymphoma
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