Displaying all 8 publications

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  1. Kamariah K, Lopez JB, Satgunasingam N
    Br J Biomed Sci, 1994 Sep;51(3):296-8.
    PMID: 7881328
    We assessed the analytical performance of the Abbott IMxTM immunoassay analyser for total beta human chorionic gonadotropin (Beta hCG), follicle-stimulating hormone (FSH) and luteinising hormone (LH). The within-run CVs for various analyte concentrations were 2% to 6% while those for between-run imprecision in routine assay ranged from 4% to 10%. IMxTM values correlated well with radioimmunoassay for beta hCG, and immunoradiometric assay for FSH and LH; the correlation coefficients (r) were 0.97, 0.99 and 0.98 for total beta hCG, FSH and LH respectively. The average sensitivities were approximately 3.1, 0.2 and 0.5 iu/l for beta hCG, FSH and LH, respectively. Sample carry-over was not detected and there was negligible cross-reaction between LH and beta hCG in the respective assays. The automatic sample dilution protocol for beta hCG was superior to the manual procedure. The IMxTM is easy to operate and is able to process 24 samples in 40-45 minutes.
    Matched MeSH terms: Chorionic Gonadotropin/blood
  2. Chang TC, Cheng HH
    Med J Malaysia, 1994 Dec;49(4):351-4.
    PMID: 7545778
    The use of maternal age alone to identify pregnant mothers at risk of a fetus with Down's syndrome has recently been supplemented by maternal serum screening using biochemical markers such as alpha-protein, human chorionic gonadotrophin and oestriol. These tests have been reported to increase the sensitivity of antenatal detection of such fetuses from 35% to 67% with a false positive rate of 5%. However, these maternal serum markers may be affected by maternal weight, the smoking history of mothers and diabetes mellitus. Furthermore, such sensitivities are achieved only when gestational age is assessed accurately by ultrasound. Many further studies need to be carried out before the introduction of maternal serum screening into routine obstetric practice in Singapore. These include studies on the incidence of Down's syndrome in the local population, studies on the distribution of these serum markers in the second trimester of pregnancy, sensitivities and positive predictive values of such a test in the local population as well as the socio-economic implications of implementing such a screening test in the local obstetric population.
    Matched MeSH terms: Chorionic Gonadotropin/blood*
  3. Rachagan SP, Neoh HS
    Med J Malaysia, 1990 Mar;45(1):84-6.
    PMID: 2152077
    A case of delayed haemorrhage after conservative surgery for ectopic pregnancy is presented. Brief pathophysiology of the condition is presented. The importance of beta-subunit human chorionic gonadotrophin monitoring of the serum in this patient is highlighted. Surgical procedures to prevent this complication are also discussed.
    Matched MeSH terms: Chorionic Gonadotropin/blood
  4. Tan PC, Tan NC, Omar SZ
    Clin Chem Lab Med, 2009;47(2):165-71.
    PMID: 19191722 DOI: 10.1515/CCLM.2009.041
    Serum human chorionic gonadotropin (hCG) and estradiol levels are higher in women with hyperemesis gravidarum (HG) than in unaffected pregnant controls. We postulated that higher levels of these hormones may be associated with clinically more severe HG. The aim of this study was to evaluate the effect of maternal hCG and estradiol levels on the severity of HG.
    Matched MeSH terms: Chorionic Gonadotropin/blood*
  5. Kamariah K, Satgunasingam N, Nasri NM, Ng KY
    Med J Malaysia, 1993 Mar;48(1):40-5.
    PMID: 7688063
    Eighty-nine patients who had hydatidiform moles evacuated at the General Hospital, Kuala Lumpur, were followed with serum beta hCG determinations from October 1988 to June 1991. A regression curve for serum beta hCG, as measured by RIA, was derived from the results of 47 of the patients who demonstrated spontaneous regression of serum beta hCG titres. All 47 patients had normal serum titres at 135 days after evacuation. The mean time taken to reach normal level was 82.6 days, while the range was 39 to 135 days (5 to 19 weeks).
    Matched MeSH terms: Chorionic Gonadotropin/blood*
  6. Sivanesaratnam V, Sen DK
    J Reprod Med, 1988 Apr;33(4):402-3.
    PMID: 2452881
    Pregnancy after treatment of choriocarcinoma with cerebral metastases is uncommon. We treated a patient successfully with less-toxic chemotherapeutic agents than those advocated by others together with whole brain irradiation. She subsequently had two uneventful pregnancies.
    Matched MeSH terms: Chorionic Gonadotropin/blood
  7. Sen DK, Sivanesaratnam V, Chuah CY, Ch'ng SL, Singh J, Paramsothy M
    Acta Obstet Gynecol Scand, 1987;66(5):425-8.
    PMID: 3425244
    Of 36 cases of choriocarcinoma treated at the University Hospital Kuala Lumpur during 1980-84 inclusive, 6 patients were found to have cerebral metastases. Intrathecal methotrexate and combination chemotherapy were started in all cases, with monitoring of tumor growth by serial beta-HCG assays and CT scanning of brain and lung. Chemotherapy was reduced because of severe toxicity in 2 patients, one of whom received radiotherapy to the brain. Four patients (66%) have now been in remission for 2.5-6 years. Two did not respond to therapy and died. The factors involved in therapy and response are discussed.
    Matched MeSH terms: Chorionic Gonadotropin/blood
  8. Tan GH, Azrif M, Shamsul AS, Ho CC, Praveen S, Goh EH, et al.
    Asian Pac J Cancer Prev, 2011;12(10):2727-30.
    PMID: 22320982
    INTRODUCTION: Testicular cancer mainly affects young men worldwide. There is lack of published data on patients with this malignant condition from the Southeast Asian region. The aim of this study was therefore to determine the clinicopathologic features of testicular cancer patients treated in a Southeast Asian university hospital and their overall survival rate.

    MATERIALS AND METHODS: This was a retrospective study of testicular cancer patients treated between January 2001 and February 2011. Their epidemiological data, clinical presentation, pathologic diagnosis, stage of disease and treatment were gathered and the overall survival rate of this cohort was analyzed.

    RESULTS: Thirty-one patients were included in this study. The majority of them were of Malay ethnicity. The average age at presentation was 33.7 years. The commonest testicular cancer was non-seminomatous germ cell tumour, followed by seminoma, lymphoma and rhabdomyosarcoma. More than half of all testicular germ cell tumour (GCT) patients had some form of metastasis at diagnosis. All the patients were treated with radical orchidectomy. Adjuvant chemotherapy was given to those with metastatic disease. Four seminoma patients received radiotherapy to the para-aortic lymph nodes. The 5-year survival rate for all testicular cancers in this cohort was 83.9%. The survival rate was 88.9% in 5 years when GCT were analyzed separately.

    CONCLUSION: GCT affects patients in their third and fourth decades of life while lymphoma patients are generally older. Most of the patients treated for GCT are of Malay ethnicity. The majority have late presentation for treatment. The survival rate of GCT patients treated here is comparable to other published series in other parts of the world.

    Matched MeSH terms: Chorionic Gonadotropin/blood
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