Congenital cysts are typically unilocular and thin-walled to the point of translucency; careful histopathologic examination shows no evidence of inflammation. In contrast, acquired thymic cysts are usually multilocular, hence the commonly used term “multilocular thymic cyst (MTC).” These cysts have thick, fibrous walls, and histopathologic examination typically reveals significant inflammation ...

INTRODUCTION The thorax is an area in which distant metastases are frequently observed because it is located on the hematologic and lymphatic pathways (1). Various malignant neoplasms can metastasize to the lung (parenchymal or endobronchial), the hilar-mediastinal lymph nodes, pleura, pericardium, or to the chest wall. The lungs and mediastinum, especially, are the places where other malignanc...

BACKGROUND Biopsy of mediastinal masses can be invasive, but the procedure may be necessary if cytology of a mass aspirate is inconclusive. The 2 most common mediastinal masses, lymphoma and thymoma, may both be comprised of small lymphocytes. We investigated the ability of flow cytometry to distinguish between these 2 neoplasms. HYPOTHESIS Flow cytometry of mediastinal mass aspirates may pro...

thymoma is a term that should be restricted to neoplasms of thymic epithelial cells, irrespective of the presence or the number of lymphocytes. the usual location of thymoma is the antrosuperior mediastinum; however, this tumor can also occur in other mediastinal compartments, in the neck, within the thyroid gland, in the pericardial cavity, the pulmonary hilum, within the lung parenchyma, or t...

Abstract Objective Mediastinal schwannomas are sometimes confused with other neoplasms during initial radiological studies, especially when there is a history of cancer in another area. In these cases, more accurate analysis using computed tomography (CT) or even magnetic resonance (MRI) required. Our study aimed to perform retrospective the clinical and imaging features for series patients med...

UNLABELLED Syncope is a common complaint in clinical medical care. The etiology and mechanism can be complex. We report two cases experienced recurrent syncope to our emergency room without concomitant symptom. The image studies of both cases revealed apical neoplasms compress left common carotid artery with mediastinal lymphadenopathy and without cardiac/main artery trunk involved. After brain...

We report the case of a 79-year-old man for whom investigations of superior vena cava syndrome have revealed extramedullary plasmocytoma. Extramedullary plasmocytoma (EMP) is the less frequent form of plasma cell neoplasms. The mediastinal location of EMP is rare, and its compressive nature is exceptional. Another particular feature we observed is that the EMP was associated with an authentic k...

Liposarcomas constitute approximately 15% of all sarcomas among the mesenchymal neoplasms. They usually arise in the lower extremities or in the retroperitoneum but have been reported in sites such as abdomen, vulva and buttocks. Primary mediastinal liposarcomas are rare with less than 100 cases reported worldwide so far. We present an interesting case of primary myxoid LPS of the posterior med...

  Thymoma is a term that should be restricted to neoplasms of thymic epithelial cells, irrespective of the presence or the number of lymphocytes. The usual location of thymoma is the antrosuperior mediastinum; however, this tumor can also occur in other mediastinal compartments, in the neck, within the thyroid gland, in the pericardial cavity, the pulmonary hilum, within the lung parenchyma, o...

mediastinal neoplasms are uncommon tumors that can occur at any age but are most common through the fifth decades of life. a wide variety of systemic disorders are associated with 71% of thymomas. the symptoms of these as sociated disorders often lead to the original discovery of the mediastinal tumor. a 35-year-old female with petechia and purpura was admitted to sina hospital of the city of h...