A summary of recent international standardised reporting systems in cytopathology

Abstract In recent years, there has been an increasing move towards the use of standardized reporting systems in the field of cytopathology. Their implementation aims to provide a universal language of cytology reporting, fostering better communication and understanding between pathologists and clinicians. Such standardized systems can help reduce reporting variability, provide frameworks for clinical audit and research, and guide clinical management strategies, ultimately improving patient care. This article summarises the salient and practical points set out in some of the more recently developed international reporting systems, namely The International System for Reporting Serous Fluid Cytopathology, The Milan System for Reporting Salivary Gland Cytopathology, and The Paris System for Reporting Urinary Cytology. A subsequent subsection discusses the international reporting systems available for thyroid fine-needle aspiration cytology specimens, with particular focus on the UK Royal College of Pathologists guidance.