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8 thalassaemic patients with complications due to pressure by heterotopic marrow on the spinal cord, the vertebral column, or the airways were given radiotherapy. Small doses of radiotherapy (10 to 26 Gy) relieved symptoms in all of them. 3 of the patients were followed-up radiographically. In 2 the mass of heterotopic marrow regressed completely and in the(More)
In order to evaluate the sensitivity and specificity of magnetic resonance angiography (MRA) in spontaneous subarachnoid haemorrhage, 14 patients with recent haemorrhage verified by CT or lumbar puncture were investigated with both selective intra-arterial digital subtraction angiography (IA-DSA) and MRA by two independent teams, each having the same(More)
The features of computed tomography (CT) in 5 patients with hydatid disease of the urinary tract are described. The diagnosis of hydatid disease was based on the demonstration of unilocular or multilocular cysts with well defined walls which enhanced with contrast, which were often calcified and which contained daughter cysts within the large parent cyst.(More)
The records of 30 patients presenting radiological evidence of masses of extramedullary myeloadipose (hemopoietic) tissue, 25 patients suffering from thalassemia, one from sickle-cell anemia, and one from myelofibrosis were studied. Three patients presented with primary myelolipomas. Most of the patients with thalassemia presented with masses of hemopoiesis(More)
Two cases of extramedullary hemopoiesis in the lower spinal column are reported. One of them was due to thalassemia major and the other to thalassemia intermedia. CT and MRI studies showed paraspinal and presacral masses respectively which caused nerve root compression. It is concluded that the differential diagnosis of low back pain and radicular or(More)
Seventy hydatid cysts in 30 patients were studied with magnetic resonance imaging (MRI) and computed tomography (CT); all cases were confirmed surgically. MRI detected all cysts when confined to solid organs, whereas small-sized cysts (≤2 cm) may be missed when located in the peritoneal cavity. Hydatid cysts of less than 3 cm (noncomplicated) present no(More)
Fifteen patients with severe haematuria due to causes other than malignant disease were seen between 1981 and 1989. Arteriography was done in an attempt to treat these patients with superselective embolization. In 7 patients, the cause of bleeding was due to injuries of iatrogenic origin and of the remaining 8, 2 had been in a car accident, 2 had knife(More)
PURPOSE In the chronic anemias and particularly in the hemoglobinopathies and in the myeloproliferative disorders there is compensatory hypertrophy and expansion of the bone marrow. This results in severe rarefaction of the bone and in extramedullary hemopoiesis. METHODS AND MATERIALS Morbid clinical expressions of the osseous changes are spontaneous(More)
We present our experience in the treatment of growth hormone (GH)-producing pituitary adenomas using irradiation alone. Between 1983 and 1991, 21 patients suffering from GH-secreting pituitary adenomas were treated with radiotherapy alone. Two bilateral opposing coaxial fields were used in 10 patients and in the remaining 11 a third frontovertex field was(More)
There is evidence that patients under 30 years of age with nasopharyngeal cancer present a somewhat different form of disease than patients of the older age group. Serum immunologic reactivity in the former was quantitatively different. Histologically, tumors in the younger age group are always of the undifferentiated type, and clinically, the disease is(More)