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The true incidence and prognosis of autoimmune thrombocytopenic purpura (ITP) in adults is unknown. We present the results of a prospective study in a population-based cohort of newly presenting adults (> or = 16 years) with ITP and platelet count of < 50 x 109/l, which took place between 1 January 1993 and 31 December 1999 in the former Northern Health(More)
Soil erosion is a severe problem for many developing regions that lack adequate infrastructure to combat the problem. The authors established a first-order method for prioritizing areas to be examined and remediated using preexisting data and expert knowledge where data are lacking. The Universal Soil Loss Equation was applied to the Rio Lempa Basin in(More)
Common pulmonary vein atresia is a rare congenital anomaly; all four pulmonary veins drain into a common dilated chamber with no direct connections to the heart or systemic venous system. Since its first description in 1962, 16 cases have been reported. Only four patients were surgically managed and none survived. This communication presents the seventeenth(More)
BACKGROUND AND PURPOSE The prone position is the most commonly used position for percutaneous endourologic procedures. It is usually combined with a general anesthesia. In high-risk patients, this approach can lead to circulatory and respiratory compromises. Operating on such patients in a full lateral position will minimize the hemodynamic and respiratory(More)
OBJECTIVES To assess the feasibility of setting up a register of patients with asplenia within a defined geographical area; to ensure that guidelines on best practice were implemented; to obtain information on antibody levels to pneumococcal capsular polysaccharides and Haemophilus influenzae type b capsular polysaccharide, before and after immunisation and(More)
AIMS To describe the histological appearances of bone marrow infiltrated with rhabdomyosarcoma at presentation and to determine their value in establishing the diagnosis. METHODS Patients presenting over seven years in the northern health region of England with rhabdomyosarcoma were studied. Bone marrow aspirates and trephine biopsy specimens taken at(More)