Displaying publications 1 - 20 of 126 in total

  1. Mohamed KN
    Singapore Med J, 1991 Aug;32(4):276-8.
    PMID: 1776012
    A 60 year old male presented with pruritus, excoriations and enlargement of several groups of lymph nodes associated with constitutional symptoms following the intake of an aspirin preparation. Lymph node biopsy established the diagnosis of angioimmunoblastic lymphadenopathy. The need to be aware of this condition is highlighted when patients present with clinical features suspicious of lymphoma.
    Matched MeSH terms: Lymph Nodes/pathology
  2. Liam CK, Lee P, Yu CJ, Bai C, Yasufuku K
    Int J Tuberc Lung Dis, 2021 01 01;25(1):6-15.
    PMID: 33384039 DOI: 10.5588/ijtld.20.0588
    Advances in bronchoscopic and other interventional pulmonology technologies have expanded the sampling procedures pulmonologist can use to diagnose lung cancer and accurately stage the mediastinum. Among the modalities available to the interventional pulmonologist are endobronchial ultrasound-guided transbronchial needles aspiration (EBUS-TBNA) and transoesophageal bronchoscopic ultrasound-guided fine-needle aspiration (EUS-B-FNA) for sampling peribronchial/perioesophageal central lesions and for mediastinal lymph node staging, as well as navigational bronchoscopy and radial probe endobronchial ultrasound (RP-EBUS) for the diagnosis of peripheral lung cancer. The role of the interventional pulmonologist in this setting is to apply these procedures based on the correct interpretation of clinical and radiological findings in order to maximise the chances of achieving the diagnosis and obtaining sufficient tissue for molecular biomarker testing to guide targeted therapies for advanced non-small cell lung cancer. The safest and the highest diagnosis-yielding modality should be chosen to avoid a repeat sampling procedure if the first one is non-diagnostic. The choice of site and biopsy modality are influenced by tumour location, patient comorbidities, availability of equipment and local expertise. This review provides a concise state-of-the art account of the interventional pulmonology procedures in the diagnosis and staging of lung cancer.
    Matched MeSH terms: Lymph Nodes/pathology
  3. Liam CK, Pang YK, Kow KS
    J Thorac Oncol, 2014 Jan;9(1):e8-9.
    PMID: 24346108 DOI: 10.1097/01.JTO.0000438376.45132.9c
    Matched MeSH terms: Lymph Nodes/pathology*
  4. Sivakumar S
    Acta Cytol., 2007 Sep-Oct;51(5):803-6.
    PMID: 17910352 DOI: 10.1159/000325846
    BACKGROUND: Filariasis is a major public health problem in developing countries, and the diagnosis is conventionally made by demonstrating microfilariae in the peripheral blood smear. However, microfilariae have been incidentally detected in fine needle aspirates of various lesions in clinically unsuspected cases of filariasis with absence of microfilariae in the peripheral blood.

    CASES: In case 1, a 21-year-old woman presented with multiple left axillary lymphadenopathy of 3 months' duration. In case 2, a 32-year-old woman presented with a thyroid nodule of 7 months' duration. Fine needle aspiration smears from both cases showed sheathed microfilariae of Wuchereria bancrofti. In both cases, microfilariae could not be demonstrated in the peripheral blood smears and the blood eosinophil counts were within normal limits. The histopathologic examination showed neither microfilariae nor adult worm.

    CONCLUSION: Although microfilariae in cytologic material are considered incidental findings, these cases illustrate the value of routine fine needle aspiration cytology in the detection of asymptomatic and clinically unsuspected cases of bancroftian filariasis. Absence of microfilariae in the peripheral blood does not exdude filarial infection.
    Matched MeSH terms: Lymph Nodes/parasitology
  5. Sinniah D, Nagappan N, Choo M
    Med J Malaysia, 1979 Dec;34(2):164-6.
    PMID: 548721
    Matched MeSH terms: Lymph Nodes/pathology*
  6. Ong SCL, Tang PP
    BMJ Case Rep, 2018 Feb 14;2018.
    PMID: 29444798 DOI: 10.1136/bcr-2017-223669
    Matched MeSH terms: Lymph Nodes/pathology
  7. Loke YW
    Br. J. Cancer, 1965 Sep;19(3):482-5.
    PMID: 5833066 DOI: 10.1038/bjc.1965.56
    Matched MeSH terms: Lymph Nodes/pathology*
  8. Mohamad I, Kosha MY
    Malays Fam Physician, 2013;8(3):40-2.
    PMID: 25893058 MyJurnal
    Cervical lymphadenopathy is a common presentation of nasopharyngeal carcinoma (NPC). It can be present in the classical location of the level II or VI lymph nodes or at any other levels of the lymph nodes in the neck. NPC should be suspected when a patient presents with cervical lymphadenopathy and conductive hearing loss. A thorough endoscopic assessment of the nasopharynx should be performed to rule out this radiotherapy-curable disease at its early stage.
    Matched MeSH terms: Lymph Nodes
  9. Kazakydasan S, Rahman ZA, Ismail SM, Abraham MT, Kallarakkal TG
    J Oral Pathol Med, 2016 Jul 15.
    PMID: 27417330 DOI: 10.1111/jop.12476
    Lymph node metastasis in oral squamous cell carcinoma (OSCC) is a well-known independent prognostic factor. However, the identification of occult tumour cells within the lymph nodes has remained a challenge for the pathologist as well as the clinician.
    Matched MeSH terms: Lymph Nodes
  10. Raja-Sabudin RZ, Hamid AA, Yusof N, Alauddin H, Aziz SA, Kulaveerasingam S, et al.
    Saudi Med J, 2012 Oct;33(10):1131-3.
    PMID: 23047221
    Matched MeSH terms: Lymph Nodes/immunology; Lymph Nodes/pathology*
  11. Yip Ch, Bhoo-Pathy N, Daniel J, Foo Y, Mohamed A, Abdullah M, et al.
    Asian Pac J Cancer Prev, 2016;17(3):1077-82.
    PMID: 27039727
    BACKGROUND: The three standard biomarkers used in breast cancer are the estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (HER2). The Ki-67 index, a proliferative marker, has been shown to be associated with a poorer outcome, and despite absence of standardization of pathological assessment, is widely used for therapy decision making. We aim to study the role of the Ki-67 index in a group of Asian women with breast cancer.

    MATERIALS AND METHODS: A total of 450 women newly diagnosed with Stage 1 to 3 invasive breast cancer in a single centre from July 2013 to Dec 2014 were included in this study. Univariable and multivariable logistic regression was used to determine the association between Ki-67 (positive defined as 14% and above) and age, ethnicity, grade, mitotic index, ER, PR, HER2, lymph node status and size. All analyses were performed using SPSS Version 22.

    RESULTS: In univariable analysis, Ki -67 index was associated with younger age, higher grade, ER and PR negativity, HER2 positivity, high mitotic index and positive lymph nodes. However on multivariable analysis only tumour size, grade, PR and HER2 remained significant. Out of 102 stage 1 patients who had ER positive/PR positive/HER2 negative tumours and non-grade 3, only 5 (4.9%) had a positive Ki-67 index and may have been offered chemotherapy. However, it is interesting to note that none of these patients received chemotherapy.

    CONCLUSIONS: Information on Ki67 would have potentially changed management in an insignificant proportion of patients with stage 1 breast cancer.

    Matched MeSH terms: Lymph Nodes/metabolism; Lymph Nodes/pathology
  12. Kim LH, Peh SC, Chan KS, Chai SP
    Malays J Pathol, 1999 Dec;21(2):87-93.
    PMID: 11068412
    Lymph node excision biopsy is commonly carried out for the investigation of lymphadenopathy. The objective of this study is to elucidate the pattern of nodal pathology seen in a private pathology practice. A total of 137 nodal biopsies for primary investigation of nodal enlargement were retrieved from the files in a private diagnostic pathology laboratory in the year 1997. Lymph nodes excised for cancer staging were excluded from this study. The histology was reviewed based on H&E stained sections, and with additional histochemical and immunoperoxidase stains when deemed necessary. Cases of malignant lymphomas were sub-classified with the aid of further immunophenotyping using a panel of monoclonal and polyclonal lymphoid antibodies. One case was excluded from this study due to inadequate tissue for further assessment. There were 58 males and 78 females, giving a ratio of 1:1.3 in the remaining 136 cases. They consisted of 13 Malays (M), 108 Chinese (C), 14 Indians (I) and 1 other ethnic group (O). The ratio of M:C:I:O was 1:8.3:1.1:0.1. The majority of the cases were in the age range of 20 to 50 years. The pathology consisted of 17 (12.5%) malignant lymphomas [6 Hodgkin's lymphoma, 11 non-Hodgkin's lymphoma], 35 (25.7%) metastatic carcinomas, 45 (33.1%) reactive hyperplasia, 19 (13.9%) tuberculosis, 11 (8.2%) Kikuchi's disease and 9 (6.6%) others (Castleman's disease 2, cat scratch disease 2, Kimura's disease 1, sarcoidosis 1, non-specific lymphadenitis 3). All categories of nodal disease showed approximately similar ratio of ethnic and gender distribution as above, except for Kikuchi's disease, for which 100% of the patients were female. The most common site of biopsy was from the head and neck region, particularly the cervical group of nodes. The most common nodal pathology seen in the private laboratory was reactive hyperplasia, followed by metastatic carcinoma. Malignant lymphoma constituted only 12.5% of the cases.
    Matched MeSH terms: Lymph Nodes/pathology*; Lymph Nodes/surgery
  13. Shekhar KC, Pathmanathan R, Krishnan R
    J. Helminthol., 1996 Sep;70(3):249-52.
    PMID: 8960220
    Human dirofilariasis is a rare infection in Malaysia. Thus far, only two human cases have been reported viz. Dirofilaria immitis and D. (Nochtiella) repens and in both instances, adult worms were recovered from infected patients. The two cases reported in the present study, one from Melaka and the other from Penang, were diagnosed histologically. Based on the diagnostic criteria for identifying Dirofilaria in tissue sections, the parasites were identified as D. (Nochtiella) repens.
    Matched MeSH terms: Lymph Nodes/parasitology; Lymph Nodes/pathology*
  14. Abd-Elhay FA, Elhusseiny KM, Kamel MG, Low SK, Sang TK, Mehyar GM, et al.
    Clin. Breast Cancer, 2018 12;18(6):e1293-e1310.
    PMID: 30093263 DOI: 10.1016/j.clbc.2018.07.003
    BACKGROUND: Male breast cancer (MBC) is usually diagnosed at late stages and therefore has a worse prognosis than female breast cancer (FBC). MBC is also more likely to have lymph node (LN) involvement than FBC.

    MATERIALS AND METHODS: We sought to determine the prognostic role of the examined lymph node (LN), negative LN (NLN), and positive LN counts and the LN ratio (LNR), defined as (positive LNs/ENLs), on the survival rate among MBC patients. We performed a large population-based study using the data from the Surveillance, Epidemiology, and End Results program.

    RESULTS: Older age, black race, stage IV disease, ≤ 1 NLN, and a > 31.3% LNR were significantly associated with worse survival across all prediction models. Moreover, we demonstrated a decreased risk of mortality in MBC patients across the MBC-specific survival model (hazard ratio, 0.98; 95% confidence interval, 0.96-0.998; P = .03) and 10-year MBC-specific survival model (hazard ratio, 0.98; 95% confidence interval, 0.96-0.999; P = .04).

    CONCLUSION: MBC has had an augmented incidence over the years. We found several independent predictors of MBC survival, including age, race, stage, NLNs, and the LNR. We strongly suggest adding the NLN count and/or LNR into the current staging system. Further studies are needed to provide information on the mechanisms underlying the association between the NLN count and MBC survival and the LNR and MBC survival.

    Matched MeSH terms: Lymph Nodes/pathology*; Lymph Nodes/surgery
  15. Yong DJ, Iskandar H, Razif MY
    Chin Med J (Engl), 2012 May;125(9):1667-8.
    PMID: 22800842
    The significance of metastastic disease in the cervical lymph nodes has long been appreciated. The rich lymphatics of the upper aerodigestive tract explained the high incidence of cervical metastasis, occasional bilaterally spread. Even with appropriate treatment, cervical recurrences do occur. Nonetheless, with the resurgence of tuberculosis, the differential of tuberculous cervical lymphadenitis should be excluded. Appropriate modalities should be employed in making the appropriate diagnosis possible.
    Matched MeSH terms: Lymph Nodes/microbiology*; Lymph Nodes/pathology*
  16. Alitheen N, McClure S, McCullagh P
    Immunol. Cell Biol., 2007 Jul;85(5):391-3.
    PMID: 17515929
    The first stage in Peyer's patch development in the fetal lamb is characterized by the colonization of the rudimentary Peyer's patches by precursor cells expressing the IgM surface receptor. In the fetal lamb, the spleen has been implicated as the source of gene-rearranged IgM(+) B lymphocytes. This study was intended to quantitate IgM(+) lymphocytes in the spleen, lymph nodes and liver of fetal lambs at various gestational ages between 63 and 110 days using flow cytometry. Flow-cytometric analysis revealed that IgM(+) lymphocytes were rare in the liver being consistently less than 1% at every gestational age examined. IgM(+) lymphocytes were detected in the spleen (mean 9.18%) and prescapular lymph nodes (mean 11.89%) as early as 63 days. In both spleen and lymph nodes, the highest representation of IgM(+) lymphocytes occurred between 70 and 86 days gestation. The highest mean percentage of IgM(+) lymphocytes was observed in the spleen (22.63%) and lymph nodes (17.02%) at 75 days gestation. From 98 days onwards, B-lymphocyte density gradually decreased in both spleen and prescapular lymph nodes. This study indicates that substantial populations of IgM(+) lymphocytes were present in both the spleen and prescapular lymph nodes from 70 days gestation and implies that both of these locations could be potential sources for the normal colonization of the ileal Peyer's patches.
    Matched MeSH terms: Lymph Nodes/cytology; Lymph Nodes/immunology*
  17. Nakamura Y, Ise K, McNamara KM, Azmahani A, Sato S, Fujishima F, et al.
    Hum Pathol, 2019 02;84:124-132.
    PMID: 30290162 DOI: 10.1016/j.humpath.2018.09.011
    The expression statuses of sex steroid receptors and sex steroid-synthesizing/metabolizing enzymes have been reported in primary prostate cancer lesions, but that in metastatic lymph nodes has remained unknown. Therefore, in this study, we immunolocalized these proteins in primary tumors and paired metastatic lymph nodes of prostate cancer and correlated the findings with clinicopathological factors of individual patients. The expression statuses of AR and ER β was significantly increased in metastatic lymph nodes compared with primary lesions, whereas that of 17βHSD1, 17βHSD2, 17βHSD5, and STS immunoreactivity was decreased in metastatic lymph nodes. In metastatic lymph nodes, the status of 5α2 was significantly correlated with that of AR. In addition, 17βHSD5-, 5α1-, STS-, and EST-positive cases were significantly associated with Gleason score (GS) status (GS > 8 versus GS < 7) in metastatic lymph nodes. Results of our present study did demonstrate that in situ androgen and estrogen metabolism and action play roles in pathophysiology of prostate cancer in metastatic lymph nodes, but these steroidogenic effects could be different from those in primary lesions.
    Matched MeSH terms: Lymph Nodes/metabolism*; Lymph Nodes/pathology
  18. Hashim H, Alli K, Faridah Y, Rahmat K
    Biomed Imaging Interv J, 2011 07 01;7(3):e19.
    PMID: 22279496 MyJurnal DOI: 10.2349/biij.7.3.e19
    Foreign body granuloma is a reaction to either a biodegradable substance or inert material. In a breast cancer patient who had undergone an excision or mastectomy with axillary clearance, a foreign body granuloma in the axilla may be misinterpreted as an axillary lymph node. We report our experience with a case of cotton-ball granuloma of the axilla in a breast cancer patient, which mimics a lymph node radiologically from the CT scan, mammogram and ultrasonography. Following biopsy and excision, the mass was diagnosed histologically as a foreign body granuloma.
    Matched MeSH terms: Lymph Nodes
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