Pathology: calcifying aponeurotic fibroma

Circumscribed; spindle-epithelioid cells in whorls and fascicles
Eosinophilic cytoplasm
Monomorphic ovoid nuclei; inconspicuous mitotic activity
Prominent myxoid-collagenous stroma
Aggregates of dystrophic calcification; peripherally occasional osteoclast-type multinucleated giant cells

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Soft Tissue Tumours

Fibroblastic & Myofibroblastic Tumours