Displaying publications 1 - 20 of 51 in total

  1. Ho CC, Ahmad K
    J Colloid Interface Sci, 1999 Aug 1;216(1):25-33.
    PMID: 10395758
    The effect of metal cations, both nonhydrolyzable and hydrolyzable, on the zeta potential of palm olein emulsions stabilized by the nonionic emulsifier, polyoxyethylene nonyl phenyl ether, was investigated as a function of pH and cation concentrations, respectively. The oil drops were found to be negatively charged in the presence of simple mono- and divalent cations. Charge reversal of the oil drops was observed when hydrolyzable cations (Zn2+, Cu2+, Fe3+, and Al3+) were used and the behavior is strongly dependent on the type of cation, its concentration, and the pH of the dispersion. The results are discussed in terms of current theories of electrophoresis and adsorption-precipitation at interfaces. The chemical free energies of adsorption of the cations were calculated. Copyright 1999 Academic Press.
  2. Ho CC
    Med J Malaysia, 1980 Jun;34(4):375-8.
    PMID: 7219267
    A case of pseudomyxoma peritonei is reported. Pathogenesis, clinical features and modes of treatment are discussed. This patient appears to have responded to laparotomy, paracentesis and instillation of cyclophosphamide intraperitoneally.
  3. Ho CC, Ideris N
    Infection, 2013 Aug;41(4):893-6.
    PMID: 23471824 DOI: 10.1007/s15010-013-0443-x
    Parasite infestation of the testicular tunica and spermatic cord by filariae are rarely reported and may present with few clinical signs, depending upon the stage. Occasionally, it may mimic a testicular tumor. We present a case of a 29-year-old man who presented with left testicular swelling and discomfort for 4 months. Clinical examination and imaging suggested an intrascrotal cystic lesion with a normal left testis. However, the intraoperative findings revealed a tumor-like mass; hence, a left orchidectomy was performed. However, histopathology reported a diagnosis of a cystic testicular tunica and spermatic cord with parasite infection. Here, we review the literature of scrotal and testicular parasite disease and discuss the course of the appropriate management involved.
  4. Ho CC, Tan HM
    Aging Male, 2013 Sep;16(3):81-4.
    PMID: 23822757 DOI: 10.3109/13685538.2013.809414
    Men's health has gained prominence over the past few years but it is still not on par with the attention or funding that women and child health is getting. In Asia, this issue is even more conspicuous. With westernization of lifestyle, Asian men's problems emulate their Western counterparts but there are certain issues unique to Asian men due to cultural differences. This review will discuss the health issues affecting Asian men and suggest measures that can be taken to overcome them.
  5. Ho CC, Tan HM
    Curr Urol Rep, 2011 Dec;12(6):470-8.
    PMID: 21948222 DOI: 10.1007/s11934-011-0217-x
    Herbal medicine long has been used in the management of sexual dysfunction, including erectile dysfunction. Many patients have attested to the efficacy of this treatment. However, is it evidence-based medicine? Studies have been done on animal models, mainly in the laboratory. However, randomized controlled trials on humans are scarce. The only herbal medications that have been studied for erectile dysfunction are Panax ginseng, Butea superba, Epimedium herbs (icariin), Tribulus terrestris, Securidaca longipedunculata, Piper guineense, and yohimbine. Of these, only Panax ginseng, B. superb, and yohimbine have published studies done on humans. Unfortunately, these published trials on humans were not robust. Many herbal therapies appear to have potential benefits, and similarly, the health risks of various phytotherapeutic compounds need to be elucidated. Properly designed human trials should be worked out and encouraged to determine the efficacy and safety of potential phytotherapies.
  6. Lee PC, Ho CC
    World J. Microbiol. Biotechnol., 1996 Jan;12(1):73-5.
    PMID: 24415093 DOI: 10.1007/BF00327805
    Palm and palm-kernel oils and their olein and stearin fractions were suitable as the main carbon sources for growth and production of clavulanic acid by Streptomyces clavuligerus. However, oleic and lauric acids were not utilized for growth. A spontaneous mutant, which was selected for higher cephamycin C production, also produced more clavulanic acid with these oils in the medium.
  7. Tan IK, Ho CC
    Appl. Microbiol. Biotechnol., 1991 Nov;36(2):163-6.
    PMID: 1368105
    The utilisation of palm oil and its fractions by Penicillium chrysogenum for growth and penicillin production is strain-dependent. Strain H1107 could utilise crude palm oil, its liquid (palm olein) and solid (palm stearin) fractions and its component fatty acids (oleic, palmitic, stearic and myristic) as the main carbon source; strain M223 could not. Cell-bound lipase activity was higher in H1107 than in M223.
  8. Ho CC, Tan HM
    Sex Med Rev, 2013 May;1(1):42-49.
    PMID: 27784559 DOI: 10.1002/smrj.4
    INTRODUCTION: Testosterone treatment for hypogonadism is detrimental for men in reproductive age as it impairs spermatogenesis, and therefore affects fertility. It is, therefore, not indicated in men with hypogonadism and infertility.

    AIM: The aim of this review is to analyze current data regarding options of treatment for men with hypogonadism and infertility.

    MAIN OUTCOMES MEASURES: A comprehensive review of the current literature on management of infertility among hypogonadal men.

    METHODS: A literature search using PubMed from 1980 to 2012 was done on articles published in the English language. The following medical subject heading terms were used: "infertility," "infertile," "hypogonadism;" "testosterone deficiency" and "men" or "male;" and "treatment" or "management."

    RESULTS: The options for hypogonadal testicular failure are limited. Hormonal treatment is by and large ineffective. For secondary hypogonadism (hypogonadotropic/normogonadotropic hypogonadism), the options include gonadotropin-releasing hormone, human chorionic gonadotropin (hCG), human menopausal gonadotropin (hMG), follicle-stimulating hormone (FSH), and anti-estrogens and aromatase inhibitors. Dopamine antagonist is indicated for prolactinoma. Artificial reproductive technique is indicated for primary testicular failure and also when medical therapy fails.

    CONCLUSION: The most suitable option with the current data available is hCG with or without hMG/FSH. Testosterone supplementation should be avoided, but if they are already on it, it is still possible for a return of normal sperm production within 1 year after discontinuing testosterone. Ho CCK and Tan HM. Treatment of the hypogonadal infertile male-A review. Sex Med Rev 2013;1:42-49.

  9. Ho CC, Rusdi AR
    Clin Ter, 2014;165(2):107-9.
    PMID: 24770814 DOI: 10.7471/CT.2014.1686
    Scrotal tuberculosis (TB) is rare. Lack of awareness may lead to a misdiagnosis and/or delayed diagnosis of scrotal TB. Clinicians should have a high suspicion index for scrotal TB when facing a patient with a chronic scrotal lump. Since scrotal TB can be medically cured, biopsy of the scrotal lump for pathology study and/or urine polymerase chain reaction (PCR) analysis for M. tuberculosis should be performed first for rapid diagnostic purposes, and therefore unnecessary surgery may thereby be circumvented.
  10. Ho CC, Mun KS, Naidu R
    Malays J Pathol, 2013 Jun;35(1):33-43.
    PMID: 23817393 MyJurnal
    Breast cancer is the most common malignancy in women worldwide. The incidence of breast cancer in Malaysia is lower compared to international statistics, with peak occurrence in the age group between 50 to 59 years of age and mortality rates of 18.6%. Despite current diagnostic and prognostic methods, the outcome for individual subjects remain poor. This is in part due to breast cancers' wide genetic heterogeneity. Various platforms for genetics studies are now employed to determine the identity of these genetic abnormalities, including microarray methods like high density single-nucleotide-polymorphism (SNP) oligonucleotide arrays which combine the power of chromosomal comparative genomic hybridization (cCGH) and loss of heterozygosity (LOH) in the offering of higher-resolution mappings. These platforms and their applications in highlighting the genomic alteration frameworks manifested in breast carcinoma will be discussed.
  11. Nakajima Y, Ho CC, Kudo T
    J. Gen. Appl. Microbiol., 2003 Jun;49(3):181-9.
    PMID: 12949699
    The taxonomic position of three actinomycete strains isolated from Malaysian soil was established by using a polyphasic approach. The isolates formed chains composed of four spores on the tip of sporophores branching from the aerial mycelium, and their chemotaxonomic properties were common to those of members of the family Streptosporangiaceae. These phenotypic properties as well as a phylogenetic analysis based on 16S rRNA gene sequences indicated that they should be classified in the genus Microtetraspora. The three isolates showed a unique pattern of cultural, physiological and biochemical properties that distinguished them from previously described species of the genus Microtetraspora. The isolates showed more than 72% DNA relatedness to each other, but only 58% or less relatedness to any previously described species. On the basis of the data presented, a new species of the genus Microtetraspora, Microtetraspora malaysiensis, is proposed. The type strain of the new species is strain H47-7(T) (=JCM 11278(T)=DSM 44579(T)).
  12. Praveen S, Ho CC, Fadilah S, Sagap I
    Med J Malaysia, 2010 Jun;65(2):98-100.
    PMID: 23756789
    Primary gastrointestinal (GIT) lymphoma constitutes only 5 - 10% of all gastrointestinal tumours. The optimal therapy for these lymphomas is poorly defined and still controversial. We present our experience in the treatment and outcome of primary GIT lymphomas in UKM Medical Center, Malaysia. A retrospective review of all patients with primary GIT lymphoma from the year 2002 until 2007 was done. Our series has shown that primary GIT lymphoma is a rare disease as it comprises only 6.5% of all lymphomas treated in this institution. We had a female predominance of this disease with a large majority at an advanced stage of the disease. There was equal distribution involving stomach, small and large intestines. The incidence of primary GIT lymphomas was 6.5% with a female predominance. The majority had advanced diseases (stage III and IV) with equal distribution involving the stomach, small and large intestines. The most common histological variant was diffuse large B cell lymphoma (66%). Most (83%) patients with intestinal lymphoma had surgical resection and adjuvant chemotherapy. All patients with gastric lymphomas had chemotherapy alone. The mortality rate was 22% predominantly in younger patients with aggressive histology subtypes and advanced disease.
  13. Ho CC, Zulkifli MZ, Nazri J, Sundram M
    Med J Malaysia, 2008 Mar;63(1):41-3.
    PMID: 18935731
    Hand-assisted laparoscopic nephrectomy (HAL-N) and nephroureterectomy (HAL-NU) were introduced to bridge the gap between open and laparoscopic surgery. This newer technique has the benefits of both laparoscopic and open surgical approaches but has a shorter learning curve and decreased operative time compared to laparoscopic surgery. A review of our 2-year experience showed that for the seventeen cases of HAL-N that was performed, the mean operative time was 187.8 minutes while the mean length of hospital stay was 4.1 days. For the two HAL-NU cases, the mean operative time was 415 minutes while the mean length of hospital stay was 5.5 days. Only one complication occurred and it was an incisional hernia at the hand-port site. There was no recurrence for the carcinoma cases. Our experience shows that this technique is feasible and safe.
  14. Ho CC, Md Zainuddin Z
    PMID: 22135514 MyJurnal
    Managing intractable haematuria is a daunting task. One cause of this condition is radiationinduced haemorrhagic cystitis. Several treatments for the condition have been proposed and one non-invasive option is alum irrigation. Here, we report on a 65-year-old woman with intractable haematuria secondary to radiation cystitis who was successfully treated with alum irrigation. Alum irrigation is safe, well tolerated and relatively cheap. A review of the literature and a comprehensive discussion on alum irrigation as treatment for haematuria is discussed here to create an awareness regarding this treatment option.
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