16th January 2024

Differential diagnoses

A number of other conditions can present similarly to GPA. Some of these are summarised in the diagram below.

Adapted from: Falk, R., Merkel, P. and King Jr, T. (2022) Granulomatosis with polyangiitis and microscopic polyangiitis: Clinical manifestations and diagnosis, UpToDate. Edited by R. Glassock et al. Available at: https://www.uptodate.com/contents/granulomatosis-with-polyangiitis-and-microscopic-polyangiitis-clinical-manifestations-and-diagnosis?search=gpa&source=search_result&selectedTitle=1~150&usage_type=default&display_rank=1 (Accessed: January 15, 2023) and Molloy, E. (2022) BMJ Best Practice Granulomatosis with polyangiitis. Available at: https://bestpractice.bmj.com/topics/en-gb/327/pdf/327/Granulomatosis%20with%20polyangiitis.pdf (Accessed: January 15, 2023).