Checking anaesthetic machines--checklists or visual aids?
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A seven-point scoring system has been adopted by the Cancer Research Campaign to help non-dermatologists recognize melanoma (MM). Its value is reviewed in the light of increasing referrals of pigmented lesions. One-hundred and ninety-five patients (M:F, 43:152; mean age = 43 years, s.d. = 19) were asked whether their lesions possessed the seven points before diagnosis. The dermatologist assessed the signs. Six patients were unable to comply and some had multiple lesions; thus, 216 lesions were fully assessed by patient and dermatologist, and six by the dermatologist alone. Histology was obtained where appropriate. There were eight MMs, 95 naevi, 80 seborrhoeic warts, three dysplastic naevi, and 36 other lesions. Seven of the eight MMs were diagnosed clinically; the other was biopsied because of suspicious features and was a nodular MM. Four lesions suspected to be MMs proved benign. The predictive value (PV) of a clinical diagnosis of MM was 64% and of non-MM was 99%. Using accepted cutpoints for the seven-point system (refer if score greater than or equal to 3) patients' scores gave a PV for MM of 7% and for non-MM of 99%. Two MMs scored less than three. Dermatologists' scores gave a PV for MM of 8% and for non-MM of 99%. One MM scored less than 3. Univariate analyses showed that enlargement (P less than 0.05), dermatologists' assessments of an irregular margin (P less than 0.001), size (P less than 0.05) and pigmentary irregularity (P less than 0.05), and patients' assessments of size (P less than 0.05) were statistically significant.(ABSTRACT TRUNCATED AT 250 WORDS)
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OBJECTIVES: To compare six promising mania measures, the Parent Mood Disorder Questionnaire (P-MDQ), the Adolescent self-report MDQ, the 10-item short form of the Parent General Behavior Inventory (PGBI-SF10), the 28-item Adolescent General Behavior Inventory (AGBI), the Parent Young Mania Rating Scale (P-YMRS), and the adolescent YMRS, in a demographically diverse outpatient sample. METHODS: Participants were 262 outpatients (including 164 males and 131 African-Americans) presenting to either an academic medical center (n = 153) or a community mental health center (n = 109). Diagnoses were based on semi-structured interviews with the parent and then youth sequentially. RESULTS: Ninety youths (34%) met criteria for a bipolar spectrum disorder. Parent measures yielded Areas Under the Receiver Operating Curve (AUROC) values of 0.81 for the PGBI-SF10 to 0.66 for the P-YMRS. Adolescent report measures performed significantly less well, with AUROCs ranging from 0.65 to 0.50. There were no significant differences in the diagnostic performance of the measures across the sites or by racial groups, although the reliability of measures tended to be lower in the urban community mental health site. The PGBI-SF10 made a significant contribution to logistic regression models examining all combinations of the instruments. The P-MDQ added information in the younger age group, and no measure improved classification of bipolar cases after controlling for the PGBI-SF10 in the older age group. DISCUSSION: Results replicate previous findings that, in decreasing order of efficiency, the PGBI-SF10, P-MDQ, and P-YMRS significantly discriminate bipolar from non-bipolar cases in youths aged 5-18; and they appear robust in a demographically diverse community setting. Adolescent self-report measures are significantly less efficient, sometimes performing no better than chance at detecting bipolar cases.
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We evaluated the convergence of CBCL scales with the diagnosis of ADHD and comorbid disorders in 133 ADHD and 118 normal control boys, aged 6-17 years old. We evaluated the strength of association between each CBCL scale and structured-interview derived diagnoses with Total Predictive Value (TPV) and the odds-ratio (OR). Excellent convergence was found between the CBCL Attention Problems scale with the diagnosis of ADHD, between the Delinquent Behavior scale and the diagnosis of CD, and between the Anxiety/Depression scale and the diagnoses of Anxiety Disorders. These findings indicate that the CBCL could serve as a rapid and useful screening instrument to identify comorbid and non-comorbid cases of ADHD.
BACKGROUND: This study examines the diagnostic accuracy of the CBCL syndrome AS scales for predicting DSM-IV Attention Deficit-Hyperactivity Disorder (ADHD) and Oppositional Defiant Disorder with or without Conduct Disorder (ODD/CD). METHODS: The sample included 370 children (187 probands and 183 siblings) participating in a family genetic study of attention and aggressive behavior problems. Univariate and stepwise logistic regression analyses were used to derive models for predicting two diagnostic conditions: ADHD and ODD/CD. RESULTS: The Attention Problems syndrome significantly predicted ADHD, and ODD/CD was significantly predicted by the Aggressive Behavior syndrome. Both scales demonstrated good diagnostic accuracy, as assessed through receiver operating characteristics analyses. Cut-point analyses confirmed the utility of low T-scores, 55 on the respective syndromes, for efficiently discriminating cases from noncases. CONCLUSIONS: CBCL syndromes display good diagnostic efficiency for assessing common externalizing disorders in children.
BACKGROUND: This study investigated the occurrence, cross-informant agreement, 1-year stability, and context characteristics of externalizing behaviors in 12-month-old children, as compared to 24- and 36-month-olds. METHOD: In a general population sample of 786 12-month-olds, 720 24-month-olds, and 744 36-month-olds, the CBCL/ 1(1/2)-5 was obtained from mothers and fathers and again one year later for a subsample of 307 children. Mothers of 1,831 children also provided complete data on child, mother, and family characteristics. RESULTS: Over three-fourths of the externalizing behaviors occurred in more than 10% of 12-month-olds, over one-third of the items in more than 25%. For almost all externalizing behaviors, the occurrence was significantly lower in 12-month-olds compared to 24- and 36-month-old children. Mother-father agreement and 1-year stability of externalizing behaviors in 12-month-old children were significant, but generally somewhat lower than in 24- and 36-month-olds. Context characteristics were related to externalizing behaviors in 12-month-olds as well as in older children. Some associations were less pronounced in 12-month-old children, but the overall pattern of correlates was similar across age groups. CONCLUSIONS: The results of this study show that externalizing behaviors in 12-month-old children merit further research and can be assessed with the CBCL in a valid way.
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World literature on Plasmodium of squamate reptiles (1909-1975) includes 156 published accounts on 54 valid species and subspecies. AFRICA: 30 reports on 9 species; AUSTRALIA, ASIA & OCEANIA: 12 reports on 6 species and 2 subspecies; AMERICAS: 116 reports on 37 species. More than half of these reports and new species descriptions appeared during the last 10 years. Most concern plasmodia in lizards of the Neotropics, Georgia (Plasmodium floridense, a Neotropical-Caribbean parasite) and California (Plasmodium mexicanum). African host species are all lizards: 4 agamids, 3 skinks, 2 chamaeleonids, one chordyline, and one gerrhosaurine. Australasian host species are also all lizards: 6 agamids, 9 skinks, 2 lacertids, one (or two?) gekkonids, and one varanid. Known American host species include 12 snakes and 87 lizards: 34 anoline species, 12 sceloporines (plus 11 others experimentally infected), 4 basiliscines, 5 tropidurines, 2 iguanines, 2 skinks (one questionable), 2 anguids (a total of 4 animals), 4 sphaerodactylines, 2 gekkonines and 11 teiid species.
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