Clinical examination of the subcutaneous nodular lesion ( ~2.0 × 1.5 cm in diameter ) by a surgeonledto diagnosis of a giant cell tumor of the flexor tendon

of a proliferation of mononuclear cells amongst which are scattered numerous macrophages and large osteoclast - like giant cells(passive) is composedGiant cell tumor of the bone

of sheets of neoplastic ovoid mononuclear cells that express the RANK ligand , RANK - positive mononuclear cells of myeloid linage(passive) is composedGiant - cell tumor of the bone

This appearancemay leadto misdiagnosis of giant cell tumor of tendon sheath

diagnosis ... a florid giant cell reactionledto various misdiagnoses , including giant cell tumor of tendon sheath

to remove the tumor as completely as possible(passive) is designedNerve sheath tumor surgery

an associated marked giant cell reactionleadingto a mistaken diagnosis of giant cell tumor of tendon sheath

Neurofibromatosis Type 1 ( NF1 ) , the most common form of the disordercausesnerve sheath tumors called neurofibromas

circulating tumor tissue rich , soft and brittle ... and may granulation tissue , easy bleeding(passive) is caused byGiant cell tumor of bone