Effects of the treatment of straw with NaOH and urea solutions on ingestibility and digestibility in sheep.
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Biomedical subjects
Publications and source records attributed to H Saleh.
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We investigated eight hour distal intra-oesophageal ph testing to see if this could replace the traditional 24 hour test period without significant loss of sensitivity in the diagnosis of gastro-oesophageal reflux (GOR) disease in symptomatic refluxers. Thirty-four patients were tested, all of whom had classical De Meester symptoms of GOR. All patients were admitted to hospital and commenced on 24 hour ambulant ph monitoring of the distal oesophagus. This was followed by a period of eight hour testing. The following variables were determined: (i) total reflux time, (ii) number of reflux episodes (total, upright and supine), (iii) longest episode of reflux, (iv) percent of time that ph was below four (total, upright and supine). All patients underwent endoscopic examination of the oesophagus subsequently. Twenty four hour monitoring resulted in a positive diagnosis of GOR in 26 of 34 patients, giving an overall sensitivity of 75%. Eight hour testing was positive in 23 patients (sensitivity of 68%, not significantly different). The best correlations were obtained when comparing total reflux episodes (r = 0.75, p less than 0.001), and the percent time ph less than 4 (total) (r = 0.69, p less than 0.001). Nineteen patients had evidence of oesophagitis on endoscopy, and in all such patients both eight and 24 hour testing were positive. We conclude therefore, that eight hour ph monitoring can be reliably used in the diagnosis of pathological GOR in patients symptomatic for acid reflux.
Frequencies of the three common subtypes of PI M were studied in a Jordanian population. In comparison with other populations, PI*M3 was found to be low (0.038) and PI*M2 rather high (0.155).
BF phenotyping was performed in a population of Jordan. The observed allele frequencies were as follows: BF*S = 0.5457, BF*F = 0.3744, BF*SO7 = 0.0763, BF*F1 = 0.0075. These values are in agreement with the geographic position and the ethnic composition of Jordan.
Seventeen cases of aneurysmal bone cyst of the spine are reported. Clinical manifestations, methods of investigation, differential diagnosis, treatment, and pathogenesis are discussed. The condition is essentially a benign lesion, affects a young age group, and grows rapidly, often producing a paravertebral mass. Occasionally it becomes acutely exacerbated, causing irreversible damage to the spinal cord. For these reasons, prompt diagnosis and timely treatment are important. Excision of the lesion is the treatment of choice but, if not feasible, thorough curettage and radiotherapy not exceeding 2000 rads are indicated. With a two-stage operation, excision of the lesion is often possible, and the stability of the vertebral column is assured with bone-graft fusions.
Aneurysmal bone cysts rarely affect the skull. Thirty-six cases including four reported in this paper are reviewed. The condition usually affects children and young adults and progresses rapidly. It may result in raised intracranial or intraorbital pressure. Complete excision of the mass is the treatment of choice, but if not feasible curettage followed by low dose radiotherapy is effective. As the prognosis in this condition is good, prompt diagnosis and early treatment are of utmost importance.
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This paper reports on the orthopaedic rehabilitation of a patient with Tay-syndrome. Tay-syndrome is a rare monogen-inherited ektodermal dysplastic syndrome with ichtyosis, fragility of the hair and physical and mental retardation. The congenital ichtyosis is ubiquitous. Only the skin on the flexion side of the extremity joints are not involved (orthocerathosis combined with paraceratotic strings). In this case, a young boy developed bilateral subluxation of the hips and was not able to stand or walk freely. Contemporary pre- and neonatal care has prolonged the survival of newborns with severe genodermatoses, including this syndrome. In this case, it has provided the necessity for orthopaedic treatment of the problems caused by osteosclerosis and muscular spasticity.
Fine needle aspiration biopsy (FNAB) is currently considered a valid procedure in the diagnosis of various primary and metastatic neoplasms. It is also known that computed tomography (CT)-guided percutaneous FNAB of the kidney is very useful in diagnosing primary renal cell carcinoma (RCC) and has a high accuracy rate. Nonetheless, its usage in the detection of unsuspected metastatic RCC has been described rarely. Below we report four unusual cases of metastatic RCC discovered by FNAB. The patients presented with subcutaneous, pulmonary, adrenal and flank masses with no previous history of RCC. Immunocytochemical (ICC) stains, including cytokeratin, epithelial membrane antigen, vimentin and fat stain, were obtained on two cases and were very helpful in establishing the diagnosis. We suggest that cytopathologists consider metastatic RCC a possibility when evaluating patients with tumors of unknown origin and that FNAB can be useful in diagnosing unsuspected metastatic RCC, especially when assisted by ICC and fat stain.