The Bethesda System for reporting cervical cytology

The seminal observations of Dr. George Papanicolaou have grown, through the untiring efforts of many authors, into a universally accepted format of cytology reporting. This has helped immensely to improve the understanding of pathogenesis of cervical cancer. The insights into the complexity of interaction of the etiological and the host factors have further helped in reframing of the reporting system. The Bethesda System (TBS) stands out as a model of standardized reporting in cervicovaginal cytology. Apart from its reproducibility, it reflects the most current understanding of cervical cancer. The most important feature is its clinical relevance. Each category of this classification has clear clinical implications, which are based on solid evidence and worldwide consensus. Moreover, the authors have tried to keep it updated through continuous revisions, incorporating the technological and scientific advances. The component of specimen adequacy reflects the importance it has given to the quality assurance of the laboratory preparation. The minimization of categories, simple terminology, and the supporting image atlas – both in the print form and the web-based form, have made TBS an exemplary teaching-learning resource. The wide accessibility of TBS has been the most important factor in being adopted by a majority of pathology community all over the world.