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https://www.selleckchem.com/MEK.html Acute aortic syndromes comprise a heterogeneous group of life-threatening disorders, characterized by acute-onset chest or back pain with or without cardiovascular collapse. The major entities include acute aortic dissection, penetrating atherosclerotic ulcer, and intramural hematoma. Spontaneous rupture of the aorta is an additional, rare cause of this syndrome, which frequently leads to sudden cardiac death. This is a report of two cases of this uncommon entity with detailed pathological analysis.Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is the most common adult leukemia. The coexistence of CLL and papillary thyroid carcinoma (PTC) is extremely rare. PTC sometimes shows microscopic vascular invasion but rarely cause a tumor thrombus in the internal jugular vein (IJV). It is also rare to find both differentiated and poorly differentiated types of thyroid cancer in the same metastatic location. We report a case of 63-year-old Turkish man with history of CLL who had CLL/SLL involvement and PTC metastasis in the same lymph node. Additionally, there was macroscopic metastasis to the IJV with poorly differentiated areas in the removed tumor thrombus. Patient was treated with total thyroidectomy, left radical neck dissection, resection of the left IJV segment that contained the tumor thrombus and radioactive iodine (RAI) therapy. Furthermore, metastatic lesions were found in the brain, lung and bone. Radiotherapy and chemotherapy were performed. However, our patient died approximately 12 months after thyroidectomy. To our knowledge, our present report is the first description with its current features.Pituicytoma is a distinct sellar or supracellar tumor which originates from specialized glial cells of neurohypophyses and infundibulum known as pituicytes. Because of its sellar location patients present with headache, visual disturbance, and endocrine abnormalities. Pituicytoma is difficult to diagnose on neuroi

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