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Behçet's disease (BD) is a multisystemic disorder that involves vessels of all sizes. Superior vena cava (SVC) thrombosis is a rare complication that can lead to the development of various collateral pathways. A 31-year-old man presented with SVC syndrome. He had a history of recurrent genital aphthosis. Computed tomography revealed extensive thrombosis of the right internal jugular, axillary, and subclavian veins with collateral circulation. The patient was diagnosed with BD, and he was started on anticoagulation and immunosuppressive therapy. One week later, he presented with haematemesis. Upper gastrointestinal endoscopy disclosed varices in the upper third of the oesophagus with stigmata of recent bleeding. Portal hypertension was ruled out. Anticoagulation therapy was discontinued. He was discharged on immunosuppressive therapy. Bleeding from downhill oesophageal varices should be suspected in any patient presenting with upper gastrointestinal bleeding and a history of SVC syndrome due to BD., (Copyright © 2015 Arab Journal of Gastroenterology. Published by Elsevier B.V. All rights reserved.)

Introduction: We present one patient with acute myeloblastic leukemia diagnosed two months after the onset of Takayasu's arteritis., Exegesis: A 21-year old woman with a previous history of erythema nodosum and episcleritis was admitted for a left cervical mass. Diagnostic imaging showed an aneurism of the left extracranial internal carotid and a stenosis of the left subclavian artery. Histological findings of the carotid aneurism revealed a granulomatous giant cell arteritis consistent with Takayasu's arteritis. Two weeks after, she was discharged, elevated white cell count (440.000/mm3 ) was disclosed. A bone marrow aspirate documented an acute myeloid leukemia. The patient died of intracerebral hemorrhage., Conclusion: Leucocytoclastic vasculitis and polyarteritis nodosa occur in acute myeloid leukemia, but the association with Takayasu's arteritis is new. In our knowledge, only two documented cases of Takayasu's arteritis in association with acute myeloblastic leukemia have been published.

Exceptionally, acute pancreatitis and reactive hemophagocytic syndrome (RHS) are observed in the course of systemic lupus erythematosus (SLE). However, the association of the two conditions has never been reported before. A 31-years-old woman with a 7-year history of SLE was admitted for abdominal pain and fever. Elevated serum amylase and pancreatic enlargement on computerized tomography confirmed the diagnosis of pancreatitis. Laboratory examinations revealed pancytopenia, abnormal hepatic tests, and elevation of serum LDH and triglyceride levels. Bone marrow aspiration showed hemophagocytosis. The patient responded well to high dose corticosteroids. About eighty cases of pancreatitis have been reported in patients with SLE. The mechanisms are still unclear: SLE as the primary etiologic factor, drug toxicity, especially steroids which play a controversial role, or infection. About 40 cases of RHS have been reported in patients with SLE, sometimes associated with active infection. Overall mortality is 38.5%. When RHS occurs as an initial manifestation of SLE, or in the course of active SLE, it responds well to immunosuppressive therapy.

The association of Behçet's disease and non-Hodgkin's lymphoma is very rare. The first case of primary intestinal lymphoma with intestinal Behçet's disease is reported. A 37 year-old woman had been treated for Behçet's disease with colchicine for 2 years. In July 1997, she developed uveitis and was treated by monthly intravenous pulses of cyclophosphamide for 6 months, but uveitis persisted; so cyclophosphamide was replaced by cyclosporin 300 mg/day. One month later, she suffered from diarrhea. Colonoscopy showed ileocoecal ulcerations. Histological examination of surgical biopsy revealed B large cell type lympocytic malignant lymphoma and vasculitis lesions compatible with intestinal Behçet's disease. Cyclosporin was stopped and treatment with prednisone was instituted. The relationship between non-Hodgkin's lymphoma and immunosuppressive drugs in Behçet's disease is discussed.