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Difference between revisions of "Talk:Chondro-osseous tumours"
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====Comment==== | ====Comment==== | ||
The lesional fragment is very small (largest dimension is measured as 0.22 cm). The scant lesional component of this small biopsy may not be representative of the lesion as a whole. If atypical clinical or radiologic features are present, or arise in follow-up, a re-biopsy should be considered. | The lesional fragment is very small (largest dimension is measured as 0.22 cm). The scant lesional component of this small biopsy may not be representative of the lesion as a whole. If atypical clinical or radiologic features are present, or arise in follow-up, a re-biopsy should be considered. | ||
== PVNS == | |||
===Microscopic=== | |||
The sections show many multinucleated giant cells, hemosiderin-laden macrophages in collagenous stroma with bland epitheliod cells with pale nuclei. Foam macrophages are present focally. | |||
===Final diagnosis=== | |||
Soft tissue mass, left ankle, biopsy:<br> | |||
- Tenosynovial giant-cell tumour, diffuse type (pigmented villonodular synovitis). | |||