A rare case of extramedullary plasmacytoma in the mediastinum is reported. An 80-year-old man was admitted for further examination of a mediastinal tumor. Chest computed tomography (CT) revealed a large mediastinal mass and right interlobar pleural effusion. Needle biopsy under CT guidance established a diagnosis of plasmacytoma. Immunohistochemical staining revealed that the tumor cells were p...

Myxoid neurofibroma (MN) is a benign tumor of the peripheral nerves arising from connective tissue cells. This is a rare tumor characterized by immunostaining for S-100 protein [1]. From its nervous origin, its topography is fairly diverse. The most common locations of the MN are the face, shoulders, arms, periungual and in the feet. Mediastinal location has not yet been described. Through obse...

Large mediastinal masses are rare, and encompass a wide variety of diseases. Regardless of the diagnosis, all large mediastinal masses may cause compression or invasion of vital structures, resulting in respiratory insufficiency or hemodynamic decompensation. Detailed preoperative preparation is a prerequisite for favorable surgical outcomes and should include preoperative multimodality imaging...

We report a 55-year-old female with seropositive rheumatoid arthritis for 10 years who developed large mediastinal and hilar adenopathy while receiving etanercept therapy. Chest high resolution computed tomography (HRCT) showed mediastinal lymph nodes with size of 2.3 × 3.1 centimeters. Right paratracheal lymph node biopsy showed nonnecrotizing epithelioid granulomata. All infectious studies of...

Patients with mediastinal masses present unique challenge to anesthesiologists. Patients with anterior mediastinal masses have well documented cases of respiratory or cardiovascular collapse during anesthesia and in postoperative period. Masses in the posterior mediastinum have been traditionally regarded to carry a significantly lower risk of anesthesia related complications but cases of near ...

A 75 year-old man underwent right hemicolectomy for colon cancer 3 yrs and 6 months ago, followed by chemotherapy with capecitabine. One year and 10 months later, solitary liver metastasis was resected. Five months later, a bulky mediastinal mass of 6 cm in diameter was detected by chest computed tomography and he was referred to our department. The tumor was successfully extirpated by videotho...

An extremely rare case of anterior mediastinal mature teratoma with almost complete gastrointestinal and bronchial walls is described. A 65-year-old woman presented with left precordial pain. Chest computed tomography showed a huge anterior mediastinal tumor, 15 cm × 21 cm, occupying the left thoracic cavity. Post-resection histopathological examination confirmed the diagnosis of mature teratom...

Lipoblastomatous tumors are quite rare neoplasms deriving from embryonic white fatty tissues, most often seen in infancy and childhood. Lipoblastoma is the focal and well-circumscribed type, whereas lipoblastomatosis is the more infiltrating type of lipoblastomatous tumors. We present a 14-month-old male infant presenting with a mediastinal mass showing paraparesis, who had previously undergone...

Thallium (Tl) 201 and technetium (Tc) 99m tetrofosmin single-photon emission CT are routinely used in the evaluation of coronary artery disease. Mediastinal tumors demonstrate Tl 201 and Tc 99m tetrofosmin uptake. We report a 56-year-old man who developed chest pain after a previously successful angioplasty and stent of the left anterior descending coronary artery. He underwent a Tl 201, Tc 99m...