Algorithm for Diagnosing Giant Cell Arteritis (GCA) - Flowchart
Algorithm for Diagnosing Giant Cell Arteritis (GCA) - Flowchart Giant Cell Arteritis Giant Cell Arteritis
«Flowchart»

Giant cell arteritis suspected

Giant cell arteritis suspected

Giant cell arteritis suspected

End

End

End

Temporal artery biopsy

Temporal artery biopsy

Temporal artery biopsy

Positive biopsy: GCA proven

Positive biopsy: GCA proven

Positive biopsy

Negative biopsy

Negative biopsy

Negative biopsy

No further biopsy

No further biopsy

No further biopsy

Perform second biopsy of temporal artery or occipital artery or perform imaging study if large artery involvement suspected

Perform second biopsy of temporal artery or occipital artery or perform imaging study if large artery involvement suspected

Perform second biopsy of temporal artery or occipital artery or perform imaging study if large artery involvement suspected

GCA still strongly suspected

GCA still strongly suspected

GCA still strongly suspected

GCA suspicion low

GCA suspicion low

GCA suspicion low