Pattern of Lymph Node Pathology in a Private Pathology Laboratory
Kim, L.H. , and Peh, S.C., and Chan, K.S., and Chai, S.P., (1999) Pattern of Lymph Node Pathology in a Private Pathology Laboratory. Malaysian Journal of Pathology, 21 (2). pp. 87-93. ISSN 0126-8635
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Official URL: http://www.mjpath.org.my/past_issue/MJP1999.2/pattern%20of%20lymph%20node%20pathology.pdf
University of Malaya, Faculty of Medicine. Dept. of Pathology["lib/metafield:join_corp_creators" not defined]University of Malaya, Faculty of Medicine. Dept. of Pathology["lib/metafield:join_corp_creators" not defined]BP Clinical Lab, Ipoh["lib/metafield:join_corp_creators" not defined]University of Malaya, Faculty of Medicine. Dept. of Pathology
Lymph node excision biopsy is commonly canied 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 (0).T he 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, 1 l non-Hodgkin's lymphoma], 35 (25.7%) metastatic carcinomas, 45 (33.1%) reactive hyperplasia, 19 (1 3.9%) tuberculosis, l l (8.2%) Kikuchi's disease and 9 (6.6%) others (Castleman's disease 2, cat scratch disease 2, Kimura's disease l, 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.
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|Keywords:||lymphadenitis, lymphadenopathy, lymphomas.|
|Subjects:||R Medicine, Dentistry, Pharmacy, Nursing|
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