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Year : 2013  |  Volume : 12  |  Issue : 1  |  Page : 31-34

Pattern of mesenteric nodules in the University of Benin Teaching Hospital

Department of Histopathology, University of Benin Teaching Hospital, Benin City, Nigeria

Correspondence Address:
Ezekiel Enoghama Ugiagbe
Department of Histopathology, University of Benin Teaching Hospital, Benin City
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Source of Support: None, Conflict of Interest: None

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Background: The determination of the nature of mesenteric nodules and the possible identification of the primary site of metastatic neoplasm is imperative as this defines both prognosis and future management of the patients. Aims: This study is aimed at evaluating the pattern of mesenteric nodules in the University of Benin Teaching Hospital, Benin City, Nigeria. Setting: The University of Benin Teaching Hospital, between January 2005 and December 2011. Design: A descriptive retrospective study. Materials and Methods: The appropriate data were obtained from the surgical day book of the department of histopathology. The data were analyzed to reflect age, sex, pathological diagnosis, and site of the lesions. Statistical analysis used: Statistical analysis was done using the SPSS version 16 statistical package. Results: A total of 65 cases of mesenteric nodule biopsies were reported during the 7-year period. There were 34 males and 31 females with a male:female ratio of 1.1:1. The age ranged from 4 to 78 years with a mean age of 52.1 ± 13.8 years. The highest incidence was in the 6th decade. Seventy-one percent of the cases were metastatic lesions and 29% were infectious and inflammatory lesions. Of the metastatic lesions, 87% were carcinomas [adenocarcinomas constituted 97.5%], 4.3% were sarcomas, and 8.7% were lymphomas. Of the infectious and inflammatory lesions, 89.5% were nonspecific reactive lymph node hyperplasia and 10.5% were tuberculosis. Thirty-three percent of the metastatic lesions were of gastrointestinal origin, 20% of ovarian origin and 9.2% of unknown primary site. Conclusion: The preponderance of adenocarcinomas in metastatic nodules is similar to those already established in the literature with the gastrointestinal tract and the ovary been the most common sites of origin. Specialized ancillary technique like immunuhistochemistry is highly coveted to confirm the characterization and identification of the site of origin of metastatic mesenteric neoplasms.

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