Displaying publications 1 - 20 of 64 in total

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  1. Armstrong RW, Kutty MK, Dharmalingam SK
    Br. J. Cancer, 1974 Jul;30(1):86-94.
    PMID: 4413823
    A "registry" of all known cases of nasopharyngeal carcinoma in Malaysia, 1968-72, was established. Attention was focused on the State of Selangor where conditions are best for case finding. Age-adjusted incidence rates among Chinese males and females were 17·3 and 7·3 per 100,000; among Malay males and females, the rates were 2·5 and 0·3 and among Indian males, 1·1. The detailed ethnicity of 192 cases in Selangor was established. Estimated incidence rates for the Chinese sub-groups agreed with the pattern observed elsewhere: highest among the Cantonese, lowest among the Hokkien/Teochiu, with the Khek in between. There was no correlation between histological type and sub-ethnic group among the Chinese cases.
    Matched MeSH terms: Carcinoma/pathology
  2. Islam N, Hasan M, Ali SM
    Med J Malaysia, 1977 Jun;31(4):322-5.
    PMID: 927240
    Matched MeSH terms: Carcinoma/pathology
  3. Ng KH, Siar CH
    Med J Malaysia, 1986 Sep;41(3):213-9.
    PMID: 2444865
    The morphology, incidence and distribution of hyaline cells in ten cases each of pleomorphic adenoma, adenoid cystic carcinoma, adenocarcinoma and mucoepidermoid tumour were studied by conventional light microscopy. Results showed that the hyaline cells were identified in 60% of pleomorphic adenoma and in 20% of mucoepidermoid tumours, but were absent in adenoid cystic carcinoma and adenocarcinoma. Relative area estimation of hyaline cells in pleomorphic adenomas showed that this may range from 2.2% to 30.4% of the total tumour area. The usefulness of the hyaline cell as a diagnostic criteria in distinguishing between some of the salivary gland tumours was also discussed.
    Matched MeSH terms: Adenocarcinoma/pathology; Carcinoma/pathology
  4. Pathmanathan R, Kan SP
    Med J Malaysia, 1987 Sep;42(3):212-4.
    PMID: 3147362
    The first two cases of human muscular sarcocystosis are reported from East Malaysia, in Sabalt and Sarawak respectively. Sarcocysts were seen iin biopsied specimen from the nasopharynx of both patients who had carcinoma of the nasopharynx. The measurements and appearances of the cysts and the zoites within the cysts were compared with the human cases of sarcocystosis previously reported in West Malaysia. Zoonotic and other aspects of these cases of East Malaysian sarcocystosis are discussed.
    Matched MeSH terms: Carcinoma/pathology*
  5. Said H, Phang KS, Gibb AG
    J Laryngol Otol, 1988 Jan;102(1):83-6.
    PMID: 3343572
    A case of mucoepidermoid carcinoma of the trachea in a 26-year-old female is presented. Diagnosis was confirmed by histopathology. On the basis of the clinical and histological picture, the tumour is classified as a low grade mucoepidermoid carcinoma. Conservative surgical treatment was the primary mode of treatment. The patient showed no clinical evidence of recurrence twelve months after local resection of the tumour.
    Matched MeSH terms: Carcinoma/pathology*
  6. Sam CK, Prasad U, Pathmanathan R
    Eur J Surg Oncol, 1989 Aug;15(4):357-60.
    PMID: 2547665
    The titres of IgA against Epstein-Barr virus, viral capsid antigens and the titres of IgG against early antigen were found to be useful markers for the diagnosis of different histopathological types of nasopharyngeal carcinoma.
    Matched MeSH terms: Carcinoma/pathology
  7. Ng KH, Siar CH
    Singapore Dent J, 1989 Dec;14(1):42-5.
    PMID: 2487475
    Mucoepidermoid tumours of the minor salivary glands of the tongue are rarely encountered. A case of a high-grade malignant type is reported here. Merits of subdivision of the mucoepidermoid tumour on the basis of its malignant potential are outlined, and variations of histological presentation of the present tumour at its primary and nodal sites are discussed.
    Matched MeSH terms: Carcinoma/pathology
  8. Sivanesratnam V
    Med J Malaysia, 1991 Sep;46(3):205-11.
    PMID: 1839913
    Matched MeSH terms: Carcinoma/pathology
  9. Prasad U, Doraisamy S
    Eur J Surg Oncol, 1991 Oct;17(5):536-40.
    PMID: 1936303
    Five rare cases of nasopharyngeal carcinoma with optic nerve involvement are reported. Computerised Tomographic Scan (CT Scan) studies were performed in four of them. Evidence of intracranial spread of the tumour, from the roof of the fossa of Rosenmuller to the apex of the orbit through the cavernous sinus, was noted in three patients. In one of them there was extracranial extension of the tumour, to the orbit through the posterior ethmoid.
    Matched MeSH terms: Carcinoma/pathology*
  10. Maziah AM, Sharifah NA, Yahya A
    Malays J Pathol, 1991 Dec;13(2):105-8.
    PMID: 1823091
    Seventy-seven patients who had PAP smear cytology and colposcopic examination in a 2-year period between 1988 and 1989 were reviewed. Those with findings indicative or suspicious of malignancy were subjected to biopsy. All 50 patients thus biopsied were confirmed to have preclinical cancer on histological examination. Compared against histology, PAP smear cytology gave an accuracy rate of 90% (5 false negatives) and colposcopy gave an accuracy rate of 94% (3 false negatives). These results demonstrate that the two techniques are useful as screening tests for preclinical cervical cancer. The results are improved if they are used complementarily. However, there was poor specificity in the categorisation of cervical cancer by both methods. This was probably due to the subjectiveness of the two procedures. The study also raised the possibility of a higher incidence of preclinical cervical cancer in the Chinese ethnic group.
    Matched MeSH terms: Carcinoma/pathology
  11. Jalaludin MA, Rajadurai P, Va R, Prasad U
    J Laryngol Otol, 1994 Oct;108(10):886-8.
    PMID: 7989842 DOI: 10.1017/s0022215100128415
    Anaplastic nasopharyngeal carcinoma (NPC) metastatic to the thyroid gland is rare. We report the first such case in a 54-year-old Malaysian Chinese woman. The correct diagnosis should be made so that thyroidectomy may be avoided and an appropriate chemoradiotherapeutic regimen instituted.
    Matched MeSH terms: Carcinoma/pathology
  12. Ali AM, Mackeen MM, Intan-Safinar I, Hamid M, Lajis NH, el-Sharkawy SH, et al.
    J Ethnopharmacol, 1996 Sep;53(3):165-9.
    PMID: 8887024
    Matched MeSH terms: Carcinoma/pathology
  13. Jayaram G, Looi LM, Yip CH
    Malays J Pathol, 1997 Jun;19(1):69-73.
    PMID: 10879245
    A 39-year-old female presented with a mobile 1.5 cm nodule in the right breast. Fine needle aspiration cytology smears stained with May Grunwald Giemsa were highly cellular with a monotonous population of dissociated and clustered tumour cells that showed a bland cytological appearance with cytoplasmic vacuolation and occasional signet ring forms. Intracellular and extracellular mucus was present. Histological study of the excised breast mass showed a secretory carcinoma. This is a rare breast neoplasm in which cytological features are characteristic enough to permit a specific diagnosis on needle aspirates.
    Matched MeSH terms: Carcinoma/pathology*
  14. Shahrudin MD, Noori SM
    Hepatogastroenterology, 1997;44(14):441-4.
    PMID: 9164516
    BACKGROUND/AIMS: Recently an increasing number of young colorectal carcinoma patients attending the University Hospital, Kuala Lumpur were noted. This report represents our experience with patients suffering from colorectal cancer aged 30 years or younger.
    MATERIALS AND METHODS: All cases of primary carcinoma of the colon and rectum admitted to the University Hospital during 1990 to 1994 were respectively reviewed. Inclusion criteria was that the patient had been 30 years or younger. Data collected included age, gender, race, site of tumour, presenting symptomatology, duration of symptoms, histology, extension of tumour and nodal involvement predisposing factors, treatment and follow-up.
    RESULTS: 21 patients were included, 5 patients (24%) were 30 years old at diagnosis, 12 (57%) patients were aged 20-29 years and 4 patients (19%) were less than 20 years old. Thirteen of the 21 patients were female, and 8 (38%) were male, 6 of the 21 patients (29%) were Malaysian, while 1 was Indian (4%). The remainder were Chinese, 14 patients (67%). Six patients (29%) had their primary tumour located in the rectosigmoid, 4 (19%) in the left colon, 1 (4%) in the splenic flexure, 2 in the transverse colon (9%), 1 in the hepatic flexure (4%) and 5 in the caecum 24(%). One patient had a tumour too diffuse to detect a primary site at the time of operation. One patient with a family history of polyps had his entire colon removed at age 14. He had 3 separate foci of tumour. The 5-year survival rate was 25%.
    DISCUSSION: Most patients with extensive disease and mucinous histology. Lesions are commonly seen beyond the transverse colon (57%). Presentation included most commonly abdominal pain, haematochezia or haemoccult positive stools.
    CONCLUSION: The symptoms above should alert surgeons to colorectal carcinoma as a differential diagnosis
    Matched MeSH terms: Carcinoma/pathology
  15. Zheng WQ, Zhan RZ
    Anal. Quant. Cytol. Histol., 1998 Feb;20(1):1-6.
    PMID: 9513685
    To clarify the correlation between apoptosis and tumor cell proliferative activity in human breast cancer and to investigate their relevance to p53 protein.
    Matched MeSH terms: Adenocarcinoma/pathology; Carcinoma/pathology*
  16. Cheah PL, Looi LM
    Malays J Pathol, 1999 Jun;21(1):1-15.
    PMID: 10879274
    Since its recognition about 150 years ago, there has been much progress in the understanding of the pathogenesis, prevention, early detection and management of carcinoma of the uterine cervix. Important historical landmarks include the (1) recognition of pre-invasive and pre-clinical lesions, and the devise of various systems for reporting these lesions, (2) improvements in diagnostic techniques particularly colposcopy, (3) advent of therapeutic procedures (electrocoagulation, cryotherapy, laser therapy and loop electrosurgical excision), and (4) recognition of the aetiological relationship between the human papillomavirus and cervical neoplasia. The susceptibility of the cervical transformation zone to malignant change is now well recognised. The WHO classification system remains the one most commonly utilised for histological reporting of cervical cancers. In the recent 1994 update, cervical carcinoma is divided into 3 main categories: squamous cell carcinoma, adenocarcinoma and other epithelial tumours. Squamous cell carcinoma (60-80%) predominates among invasive cervical carcinoma. Recognised variants include verrucous, warty (condylomatous), papillary squamous (transitional) and lymphoepithelioma-like carcinoma. Adenocarcinoma (5-15% of invasive carcinomas) shows an increasing trend in young females. Like its squamous counterpart, preinvasive and microinvasive versions are known. Variants such as mucinous, endometrioid, clear cell, mesonephric, serous, villoglandular and minimal deviation carcinoma are now defined. Adenosquamous carcinoma (5-25%), adenoid-cystic, adenoid-basal, neuroendocrine and undifferentiated carcinomas constitute other epithelial tumours of the cervix. The management of invasive cervical carcinoma remains heavily dependent on its stage. The FIGO staging system remains the most widely used. The 1995 update provides more definite criteria in subdividing stage IA tumours by delimiting stromal invasion of stage IA1 lesions to a maximum depth of 3 mm and a horizontal axis of 7 mm. In Malaysia, an appreciation of the cervical carcinoma problem has to take into consideration the population at risk, its multi-ethnicity, its socio-economic and geographical diversities and the constraints of the health care system. Females form 48.9% of the Malaysian population. 52.9% of them are in the sexually active age group of 15-50 years, indicating a significant population at risk for cervical carcinoma. Cervical carcinoma was the third most common cause of death due to solid tumours among Malaysian females in 1995 following carcinoma of the breast and respiratory tract. East Malaysia is predominantly rural with many communities having limited modern facilities. Such areas imply a lower educational and socio-economic status, raising the worry of a population at higher risk for developing cervical carcinoma. The population: doctor for Malaysia of 2153:1 compares poorly with nearby Singapore. Besides a shortage of doctors, there is also an uneven distribution of doctors, resulting in a ratio in East Malaysia of > 4000:1. Although Malaysia does not have a national cervical cancer-screening programme, many action plans and cancer awareness campaigns have been launched throughout the years, which appear to have made an impact as evidenced by the decreasing mortality rates from cervical carcinoma. Another interesting feature of cervical carcinoma in Malaysia relates to its multiethnic population. In Malaysian Chinese and Malay females, the prevalence of cervical carcinoma ranks second to breast cancer whereas the pattern is reversed in Malaysian Indian females. Studies into its aetiology and pathogenesis are being undertaken and may shed more light on this matter.
    Matched MeSH terms: Carcinoma/pathology*
  17. Peh SC, Kim LH, Poppema S
    Pathology, 2002 Oct;34(5):446-50.
    PMID: 12408344
    AIMS: Epstein-Barr virus (EBV) is associated with many human malignancies. It is implicated in a pathogenetic role in some of these tumours. Two subtypes, type A and B have been identified on the basis of DNA sequence divergence in the nuclear protein genes (EBNA) 2, 3, 4 and 6. They differ in their transforming efficiency and prevalence pattern in different geographical locations. We aimed to identify the virus subtype infection pattern in our EBV-associated diseases.

    METHODS: Paraffin-embedded tissue from 38 lymphomas (17 Hodgkin's, 14 Burkitt's, four T cell and 3 B cell non-Hodgkin's lymphomas) and 14 nasopharyngeal carcinomas (NPC) were studied, with 12 reactive lymph nodes and tonsils as normal control. EBER in situ hybridisation was performed to confirm EBV association in the tumour cells. A nested polymerase chain reaction (PCR) protocol was employed using two pairs of consensus primers which flanked a 105-bp deletion in the type A virus. U2 region encoding for EBNA-2 was chosen as the target of amplification, with cell lines B95.8 and AG876 serving as positive controls for types A and B virus, respectively.

    RESULTS: All cases showed presence of type A virus, consistently detected with nested PCR protocol but not with single step PCR. There was no type B virus or mix infections detected.

    CONCLUSIONS: Nested PCR technique has successfully increased the sensitivity of EBV subtype detection, and type A virus is the prevalent strain associated with human diseases in Malaysia.

    Matched MeSH terms: Carcinoma/pathology
  18. Hisham AN, Sarojah A, Zanariah H
    Asian J Surg, 2003 Jan;26(1):40-2.
    PMID: 12527494
    A case of large adrenocortical carcinoma extending into the inferior vena cava and right atrium is reported. Computed tomography showed a large mass displacing the left kidney inferiorly with an intravascular tumour thrombus extending into the inferior vena cava and right atrium. Radical surgery under hypothermia and cardiopulmonary bypass was performed and the tumour mass, together with the tumour thrombus, was successfully removed. The presence of intravascular tumour extension alone should not be a contraindication to radical surgical therapy, as it is the best hope for prolonged survival.
    Matched MeSH terms: Adrenocortical Carcinoma/pathology*
  19. Suzina SAH, Hamzah M
    Med J Malaysia, 2003 Oct;58(4):539-45.
    PMID: 15190630
    The poor prognosis for patients with nasopharyngeal carcinoma is principally due to its advanced stage at the time of diagnosis. The symptoms and clinical findings at presentation of 56 patients with confirmed nasopharyngeal carcinoma is described and analysed. Recognising the common modes of presentation is essential to diagnose the disease at an early stage.
    Matched MeSH terms: Carcinoma/pathology*
  20. Tiong TS, Selva KS
    Med J Malaysia, 2005 Dec;60(5):624-8.
    PMID: 16515114
    Nasopharyngeal carcinoma (NPC) is a common cancer in Malaysia. The clinical presentation in Sarawak has not been well documented. A retrospective review of 213 selected NPC cases was undertaken on the clinical records in Sarawak General Hospital, Sarawak, from June 1999 to June 2003. There were 116 patients in Kuching and 97 in Serian. There were twice as many males as females. The youngest patient was 16 and the oldest 88 years old with a mean age of 51 years. The four most common symptoms in order of frequencies were cervical lymphadenopathy, epistaxis, hearing loss and diplopia. 80.8% of the patients presented with cervical lymphadenopathy and about 85% of the patients presented in the advanced stages. Very small percentages of the patients were found to have single presenting symptoms of epistaxis (2.4%) and hearing loss (0.5%).
    Matched MeSH terms: Carcinoma/pathology
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