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This is a case of severe chemical burns following prolonged accidental exposure to a glyphosate-surfactant herbicide. The patient developed local swelling, bullae and exuding wounds. Neurological impairment followed affecting finger flexion and sensation with reduced nerve conduction. Imaging revealed oedema of the soft tissue and juxta-articular osteopenia, and a causal relationship to exposure is suggested.

A case of multifocal steroid related osteonecrosis in a patient with ulcerative colitis is presented. The pathogenesis, diagnosis, natural history, and treatment of the disease is discussed briefly with emphasis on the importance of early diagnosis--preferably by magnetic resonance imaging. Early diagnosis often depends on the gastroenterologist considering the possibility of osteonecrosis.

Massive hematuria in a 73-year-old man, who 17 years previously had undergone aorto-iliac-femoral thrombendarterectomy, was found to originate from an iliac artery-ureteral fistula due to a false aneurysm. Fistula formation should be kept in mind when investigating such hematuria in patients with a history of vascular surgery in the iliac segment.

Ten patients with a discharging perineal sinus that developed after proctectomy were treated with a new fibrin adhesive system in order to close the sinus. Four of the patients also had a fistula that extended from the sinus to the vagina. Treatment was unsuccessful in two patients: one had retained foreign bodies in the sinus and the other had a rather large spheric cavity. In eight patients the sinus healed after application of fibrin adhesive, even when a fistula to the vagina was present. The method seems to be effective for closing a long, narrow perineal sinus.

Eight patients with severe peripheral vascular atherosclerosis scheduled for abdominal aortic surgery were investigated to detect coexisting coronary artery disease. None of the patients had a history of angina pectoris or previous myocardial infarction. Preoperative computerised thallium-201 dipyridamole myocardial scintigraphy was abnormal in all patients, showing either myocardial scar tissue and/or ischaemia with redistribution and/or low washout. In all but one patient, the serum level of creatin kinase was elevated during the first postoperative days. In two patients, the serum concentrations of aspartate aminotransferase and lactate dehydrogenase were elevated. None of the patients showed clinical or electrocardiographical signs of acute myocardial infarction. Thallium-201 dipyridamole myocardial imaging is a new noninvasive method for detection of ischaemic heart disease in patients with severe peripheral atherosclerosis who are unable to perform a bicycle exercise test. The new programme for determination of regional washout appeared to be very precise and may be especially applicable in the case of low washout values.