Browsing by Author "Hough S.F."
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- ItemA previously undescribed ectodermal dysplasia of the tricho-odonto-onychial subgroup in a family(1986) Tsakalakos N.; Jordaan F.H.; Taljaard J.J.F.; Hough S.F.We encountered two family members with a previously undescribed pure ectodermal dysplasia. The propositus exhibited hypotrichosis, hypodontia, focal linear dermal hypoplasia on the tip of her nose, irregular hyperpigmentation on her back, bilateral amastia and athelia, and mild nerve hearing loss. Her mother displayed similar characteristics, except for present, although hypoplastic, areolae and nipples. Both mother and daughter appeared to be clinically euhidrotic. Despite a comprehensive endocrine workup, the only abnormality detected was a suboptimal cortisol response to hypoglycemia in the propositus. Five other family members seemed to be affected. The pattern of inheritance appeared to be affected. The pattern of inheritance appeared to be autosomal-dominant, with variable penetrance and expressivity.
- ItemBone mineral density in long-term survivors of childhood cancer(1998) Hesseling P.B.; Hough S.F.; Nel E.D.; Van Riet F.A.; Beneke T.Bone mineral density (BMD) of the lumbar spine was measured in 97 long-term survivors of childhood cancer 5-23 years after diagnosis using dual-energy X-ray absorptiometry (DXA). They had been treated for acute leukemia (n = 22), brain tumors (n = 16), lymphomas (n = 16), Wilms' tumor (n = 10), neuroblastoma (n = 7) and other cancers (n = 26). The correlations between BMD and the Z-scores for weight for height, height for age and weight for age at diagnosis and follow-up were evaluated with stepwise multiple regression. Correlations with cumulative corticosteroid and radiation dose were examined with Spearman's correlation coefficient. The number and nature of fractures were noted. A BMD Z-score of below -2 was present in 13 and a BMD Z-score of - I to -2 in 31 children. In total, a low BMD was observed in 45% of children. Height for age at follow-up correlated significantly with BMD Z-score. Increasing doses of cranial irradiation (18-54 Gy) were associated with lower BMD (p = 0.001, Spearman). This was true also for 22 children with acute lymphoblastic leukemia (ALL) who had received 18-24 Gy cranial irradiation (p = 0.04, Spearman). Fractures occurred in 14 children following trauma. The difference in BMD Z-scores of children with and without fractures did not achieve statistical significance although the majority of the children with fractures had low BMD Z-scores. The significant inverse correlation between height for age at follow-up and BMD must be interpreted with the realization that DXA is not a volumetric measurement of BMD and that short stature is associated with a smaller skeletal mass. © 1998 Wiley-Liss, Inc.
- ItemCirculating acute phase reactive proteins as indicators of infection in poorly controlled diabetes mellitus(1988) Van Eeden S.F.; Strachan A.F.; Hough S.F.Serum levels of six acute phase proteins (APP) - C-reactive protein (CRP), serum amyloid A (SAA), α1-antitrypsin, haptoglobin and complement fractions C3 and C4 - were serially studied in 24 patients with poorly controlled diabetes mellitus, ten of whom had unequivocal evidence of an underlying infection. In diabetic patients without infection, no change in APP levels was noted suggesting that hyperglycaemia per se does not quantitatively influence the acute phase response. No correlation between the presence of infection, and fever, leukocytosis, a raised erythrocyte sedimentation rate, or serum levels of α1-antitrypsin, haptoglobin or complement was apparent in these patients. However, serum CRP and SAA were initially increased 10-100 times above normal in diabetic patients with an underlying infection (P < 0.01); during the following week circulating levels of CRP and SAA decreased steadily in response to the infection being brought under control. We conclude that serial measurement of CRP and/or SAA is a sensitive, albeit non-specific, parameter to detect and monitor the activity of infection in patients with diabetes.