Displaying all 16 publications

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  1. Krishnappa A
    Dent J Malaysia Singapore, 1967 Oct;7(2):32-9.
    PMID: 5247439
    Matched MeSH terms: Mouth Diseases/pathology
  2. Jalil AA, Zain RB, van der Waal I
    Br J Oral Maxillofac Surg, 2005 Aug;43(4):336-8.
    PMID: 15993288
    The diagnosis of Darier disease of the oral mucosa was made only after biopsying a leukoplakia-like lesion of the palate.
    Matched MeSH terms: Mouth Diseases/pathology*
  3. Yaacob HB
    Med J Malaysia, 1981 Dec;36(4):239-42.
    PMID: 7334961
    Fifty-Jour patients with oral lichen planus were studied over a three-year period. The important sites were the cheek mucosa, tongue and gingiva. The reticular pattern was the most common type. The professionals and the white collar workers formed the majority of the cases. Emotional disturbances was a predominant factor in this lesion. The rate of malignant change ranges from one to ten percent. Treatment included reassurance, good oral hygiene, avoidance of hot and spicy foods and topical corticosteroids.
    Matched MeSH terms: Mouth Diseases/pathology*
  4. Jalil Ab, Hin-Lau S
    Int J Paediatr Dent, 2009 Sep;19(5):349-53.
    PMID: 19486369 DOI: 10.1111/j.1365-263X.2009.00985.x
    BACKGROUND: Oral Langerhans cell histiocytosis is generally seen in children.
    OBJECTIVE: To determine the clinicopathological features of oral LCH in Malaysian paediatric patients.
    METHODS: A retrospective study was carried out to determine the clinicopathological features of Langerhans cell histiocytosis (LCH), Letterer-Siwe disease, Hand-Schuller-Christian disease, eosinophilic granuloma, and histiocytosis X occurring in the oral cavity in children, diagnosed histologically in the main oral histopathology laboratory in Malaysia from 1967 to 2007.
    RESULT: There were 17 cases (eight girls and nine boys) with age ranging from 1 to 7 years. There were ten Malays, four Chinese, two Indians, and one of other ethnicity. Thirteen cases presented as gingival swellings with six of these cases accompanied with mobility of the teeth. Nine cases involved the mandible, two in the maxilla, and two cases in both the maxilla and mandible. The radiographic findings were mentioned only in nine cases with presence of bony erosion or destruction of the jaw bones. Four cases had punched-out radiolucencies of the skull. The patients also had other systemic signs and symptoms: skin lesions (n = 5), hepatosplenomegaly (n = 2), prolonged fever (n = 2), diabetes insipidus (n = 1), and exophthalmos (n = 1). Two cases were known cases of systemic LCH.
    CONCLUSION: The histopathologic features of LCH are easily recognized; however, with the development of immunostaining, the use of CD1a helps in confirming the diagnosis.
    Matched MeSH terms: Mouth Diseases/pathology*
  5. Zain RB, Khoo SP, Yeo JF
    Singapore Dent J, 1995 Jul;20(1):8-10.
    PMID: 9582682
    A clinical analysis of 304 cases of pyogenic granuloma (excluding pregnancy tumour) were obtained from the clinical evaluations submitted by clinicians while sending specimens for biopsy. The average age of the patients with pyogenic granuloma was 28.9 years with a peak age incidence in the second decade. More female patients were affected and the lesions present mainly in the Chinese. The majority of the lesions were ulcerated and pedunculated. The lesions had a mean diameter of 10.8 mm with a mean lesion duration of 6.0 months. The gingiva was the prevalent site for these lesions with a greater number being located in the maxilla. The recurrence rate was found to be 14.1%.
    Matched MeSH terms: Mouth Diseases/pathology
  6. Ramanathan K
    Med J Malaysia, 1979 Sep;34(1):28-31.
    PMID: 542146
    Matched MeSH terms: Mouth Diseases/pathology
  7. Ch'ng CC, Wong SM, Lee YY
    Cutis, 2017 Jan;99(1):E1-E3.
    PMID: 28207013
    Matched MeSH terms: Mouth Diseases/pathology
  8. Thomson PJ, Goodson ML, Smith DR
    J Oral Pathol Med, 2017 Nov;46(10):888-895.
    PMID: 28833670 DOI: 10.1111/jop.12625
    BACKGROUND: Oral potentially malignant disorders harbour variable and unpredictable risk for squamous carcinoma development. Whilst current management strategies utilise histopathological diagnoses, dysplasia grading and targeted intervention for "high-risk" lesions, clinicians are unable to predict malignant potential.

    METHODS: Detailed, retrospective clinico-pathological analysis of potentially malignant lesions undergoing malignant transformation, from a 590 patient cohort treated by interventional laser surgery and followed for a mean of 7.3 years, was undertaken. Clinical outcome was documented at study census date (31 December 2014).

    RESULTS: A total of 99 patients (16.8%) developed cancer: 71 (12%) seen "unexpectedly" upon excision and 28 (4.8%) progressing to malignancy at a median of 87.3 months post-surgery. Thirty "unexpected" excisions were micro-invasive (42.3%) arising primarily in severely dysplastic precursors (75%) at ventro-lateral tongue and floor of mouth sites (54.5%); 1 patient (1.4%) had a cancer-related death, whilst 58 (81.7%) were disease free. A total of 19 of 28 "progressive" cancers (67.9%) arose at new sites, with erythroleukoplakia a significant predictor of malignancy (P = .0019). Nine (32.1%) developed at the same precursor site, with 6 (77.7%) on the ventro-lateral tongue and floor of mouth. Three (10.7%) were micro-invasive, 9 patients (32.1%) died from metastatic disease and 12 (42.9%) were disease free (P < .001).

    CONCLUSION: Squamous carcinoma may arise at the site of a precursor lesion as transformation or new-site development via field cancerisation. Whilst interventional surgery facilitates early diagnosis and treatment of occult disease, thus reducing risk from same-site transformation, new-site cancer is a significant long-term risk for patients with potentially malignant disorder.

    Matched MeSH terms: Mouth Diseases/pathology*
  9. Ram S, Siar CH
    Dent Update, 2004 Nov;31(9):557-9.
    PMID: 15612463
    Cannon's disease or white sponge naevus is a relatively rare genetically determined skin disorder. It is inherited as an autosomal dominant trait that displays a high degree of penetrance and expressivity. This article describes cases of Cannon's disease in a mother and her son.
    Matched MeSH terms: Mouth Diseases/pathology*
  10. Ng KH, Siar CH
    PMID: 8653464
    We reviewed biopsy records for 37 cases of oral histoplasmosis for patient characteristics, clinical features, and histopathologic findings. These represented cases diagnosed in the Division of Stomatology, Institute for Medical Research, Kuala Lumpur between July 1967 and October 1994. All were male patients who ranged in age from 11 to 79 years (mean age, 56.7 years). There were 40.6% Malays, 37.8% Chinese, 18.9% Indians, and 2.7% other races. Five patients with mouth lesions as the initial presenting lesions were proven to be cases of disseminated histoplasmosis. In the remaining cases apart from the biopsy-proven oral histoplasmosis lesions, the extent of the disease elsewhere was unknown. The majority of these lesions involved the gingiva, tongue, and palate in decreasing order of frequency. The most frequent presenting symptom was oral mucosal ulceration. Squamous cell carcinoma and tuberculosis were the two most common clinical differential diagnoses. Our present findings compare favorably with published reports from other regions.
    Matched MeSH terms: Mouth Diseases/pathology
  11. Kamin S
    Singapore Dent J, 1994 Jan;19(1):22-4.
    PMID: 9582680
    A case report of sequestra formation in the oral cavity most probably as a sequelae of periodontal abscess in a diabetic patient is presented. The sequestra probably formed as a complication of uncontrolled diabetes mellitus rather than erythroleukemia. The lesion was located at the bifurcation area of the lower left second molar. Removal of the sequestra, scaling and a course of antibiotics managed to control the lesion.
    Matched MeSH terms: Mouth Diseases/pathology
  12. Hedin CA, Axéll T
    J Oral Pathol Med, 1991 Jan;20(1):8-12.
    PMID: 2002444
    At the faculties of dentistry in Chiang Mai, Thailand (CM), and Kuala Lumpur, Malaysia (KL), 234 and 233 consecutive out-patients were interviewed concerning tobacco and chewing habits and examined for the presence of oral melanin pigmentation. Tobacco was regularly used by 32% and 28% of the studied populations in CM and KL. Cigarette smoking was the predominant habit, but the chewing of betel and tea leaves (miang) and the smoking of banana leaf cigars (khi yo) was also registered. The genetically acquired pigmentation dominated. Although nearly all non-tobacco users in the Malay and Indian populations had oral melanin pigmentation, it was found that tobacco smokers had significantly more oral surfaces pigmented than non-tobacco users. Among Thais, the percentage of pigmented individuals was significantly higher among tobacco smokers. It was concluded that tobacco smoking stimulates oral melanocytes to a higher melanin production also in dark-skinned ethnic groups.
    Matched MeSH terms: Mouth Diseases/pathology
  13. Ghazali N, Bakri MM, Zain RB
    J Oral Pathol Med, 2003 Aug;32(7):383-92.
    PMID: 12846784
    Some oral verrucal lesions may constitute parts of the clinicopathological spectrum of proliferative verrucous leukoplakia (PVL). Because of its idiopathic yet sinister nature, it is possible that PVL may exist in other populations. The aim of this study was to review the clinicopathological features of persistent, multifocal, oral verrucal lesions in Malaysian population.
    Matched MeSH terms: Mouth Diseases/pathology
  14. Ali TB, Zain RB, Adam BA
    Singapore Dent J, 1994 Jan;19(1):18-21.
    PMID: 9582679
    A case of bullous pemphigoid with extra-oral and intraoral lesions in a 60-year-old female is reported. Diagnosis is based on histopathology and direct immunofluorescence, and the treatment regime described included oral prescription of prednisolone and topical application of a mixture of fluocinonide ointment and triamcinolone acetonide in Orabase on the oral lesions.
    Matched MeSH terms: Mouth Diseases/pathology
  15. Patil S, Warnakulasuriya S, Raj T, Sanketh DS, Rao RS
    J Investig Clin Dent, 2016 Nov;7(4):417-423.
    PMID: 26075572 DOI: 10.1111/jicd.12166
    OBJECTIVE: Exophytic oral verrucous hyperplasia (OVH) is a new entity described by an expert working group from South Asia. First reported in Taiwan, there are no reports so far from an Indian population. The aim was to use the microscopic features described by the expert group to differentiate OVH from other oral verruco-papillary lesions in an Indian archive.

    MATERIALS AND METHODS: In a retrospective multicentre study, using pathology archives, 188 verruco-papillary lesions were retrieved from pathology archives. A proforma listing histopathological criteria for OVH based on published guidelines (Annals of Dentistry, University of Malaya, 2013) was used. Patients' demographic and clinical data were transcribed from patient charts. The Pearson chi-square test was used to determine associations between clinical and histopathological features.

    RESULTS: Of 188 oral verruco-papillary lesions that were evaluated, based on microscopic features the cases were reclassified as OVH (57), verrucous carcinoma (VC) (84), oral squamous cell carcinoma (16), and other verruco-papillary lesions (31). Both OVH (70%) and VC (60%) showed male predominance and commonly affected buccal mucosa (OVH 74% and VC 57%). Absence of downward growth of the hyperplastic epithelium into lamina propria when compared with the level of the basement membrane of the adjacent normal epithelium was a distinct feature in OVH. Keratin plugging, epithelial dysplasia and subepithelial lymphocytic infiltration were found to be significantly different (P 

    Matched MeSH terms: Mouth Diseases/pathology*
  16. Zain RB, Ikeda N, Gupta PC, Warnakulasuriya S, van Wyk CW, Shrestha P, et al.
    J Oral Pathol Med, 1999 Jan;28(1):1-4.
    PMID: 9890449
    A variety of betel/areca nut/tobacco habits have been reviewed and categorized because of their possible causal association with oral cancer and various oral precancerous lesions and conditions, and on account of their widespread occurrence in different parts of the world. At a recent workshop in Kuala Lumpur it was recommended that "quid" be defined as "a substance, or mixture of substances, placed in the mouth or chewed and remaining in contact with the mucosa, usually containing one or both of the two basic ingredients, tobacco and/or areca nut, in raw or any manufactured or processed form." Clear delineations on contents of the quid (areca nut quid, tobacco quid, and tobacco and areca nut quid) are recommended as absolute criteria with finer subdivisions to be added if necessary. The betel quid refers to any quid wrapped in betel leaf and is therefore a specific variety of quid. The workshop proposed that quid-related lesions should be categorized conceptually into two categories: first, those that are diffusely outlined and second, those localized at the site where a quid is regularly placed. Additional or expanded criteria and guidelines were proposed to define, describe or identify lesions such as chewer's mucosa, areca nut chewer's lesion, oral submucous fibrosis and other quid-related lesions. A new clinical entity, betel-quid lichenoid lesion, was also proposed to describe an oral lichen planus-like lesion associated with the betel quid habit.
    Matched MeSH terms: Mouth Diseases/pathology
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