Eponyms in medicine have been used widely, as an alternate between the non-possessive and possessive forms. They are used in medicine for better understanding. It also indicates invention, substance with similar appearance, institution name etc., who have discovered or to commemorate their contribution. An extensive review of literature of Eponyms in Pathology by a collection of data from PubMed, Cambridge core, google scholar, Cochrane, and semantic scholar-based medicine articles collected from 2020 - 2021. Articles were searched with a keyword like “Eponyms in pathology and Appearance in pathology “. Those articles about pathological eponyms are included as study reference. Non indexed and poor grammatical articles were excluded. From which data was analysed to interpret the results. The objective of this study was about the understanding and recognizing the complex pathological patterns.