Tenosynovial Giant Cell Tumor, Localized Type

Warning: This page is under construction and has not undergone final review.

Differential Diagnosis

Diffuse Type Tenosynovial Giant Cell Tumor	Localized Type Tenosynovial Giant Cell Tumor
Non-circumscribed	Circumscribed
Usually associated joint involved	Does not involve joint
Heavy iron pigmentation	Variable pigmentation

Fibroma of Tendon Sheath	Localized Type Tenosynovial Giant Cell Tumor
Paucicellular	Cellular
Giant cells rare	Giant cells in nearly all cases

Rare cellular fibromas of tendon sheath may be indistinguishable from giant cell poor tenosynovial giant cell tumors, but have the same behavior

Foreign Body Granuloma	Localized Tenosynovial Giant Cell Tumor
Associated acute and chronic inflammation	No associated inflammation