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Brigham and Women's Hospital tumor (T) staging system for cutaneous squamous cell carcinoma
Brigham and Women's Hospital tumor (T) staging system for cutaneous squamous cell carcinoma
Tumor staging system
Definition
BWH
T1
0 high-risk factors*
T2a
1 high-risk factor
T2b
2 to 3 high-risk factors
T3
≥4 high-risk factors or bone invasion
BWH: Brigham and Women's Hospital; T: tumor stage from tumor, node, metastasis staging system.
* BWH high-risk factors include tumor diameter ≥2 cm, poorly differentiated histology, perineural invasion ≥0.1 mm, or tumor invasion beyond fat (excluding bone invasion, which automatically upgrades tumor to BWH stage T3).
Graphic 93401 Version 4.0
