RT - Journal TY - JOUR A1 - Afolayan, EAO T1 - Site distribution and histopathological study of extra-nodal lymphoma in Ilorin, Nigeria YR - 2006/4/1 JF - Sahel Medical Journal JO - Sahel Med J SP - 60 OP - 63 VO - 9 IS - 2 UL - https://www.smjonline.org/article.asp?issn=1118-8561;year=2006;volume=9;issue=2;spage=60;epage=63;aulast=Afolayan;t=5 N2 - Aims: The histopathological .findings and site distribution of 44 primary extra-nodal lymphomas (ENL) diagnosed at the department of Morbid Anatomy and Histopathology of University of llorin Teaching hospital (UITH) from January 1985- December 1998 were received. The study was designed to determine the occurrence, distribution and histologic type of ENLs in study area of Nigeria. Methodology: Routine retrospective histopathologic review of case specimens. Results: There were 20 males and 24 females. Eighteen (40.9%) cases were from the gastro-intestinal tract (GIT) while 11 (25%) and 7 (15.4%) cases occurred in head and neck and the ovary respectively. sites were soft tissue 2, breast 2 and others 4 cases. Histologically, all were diffuse non-Hodgkin's lymphoma (NHL). 's lymphoma accounted for 54.5% of the cases. by histological grade, using working formulation for clinical usage were: Low grade (LG) 9.1% Intermediate grade (IG) 27.3% and High grade (HG) 63.6% Conclusion: Extra-nodal non-Hodgkin's lymphoma is common and should form part of the differential diagnoses in the neoplastic disorders of various organs and tissues to avoid wrong diagnosis and consequent mismanagement. ER -