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More or less mature fibrous tissue consisting of interlacing bundles of mature fibroblasts, collagen fibres and few blood capillaries Fibroma.

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Presentation on theme: "More or less mature fibrous tissue consisting of interlacing bundles of mature fibroblasts, collagen fibres and few blood capillaries Fibroma."— Presentation transcript:

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2 More or less mature fibrous tissue consisting of interlacing bundles of mature fibroblasts, collagen fibres and few blood capillaries Fibroma

3 Highly cellular, plumped spindle shaped cells, architecture disarray, cellular and nuclear pleomorphism, frequent and abnormal mitotic figures & necrosis FIBROSARCOMA

4 Lobules of mature clear fat cells resembling normal cells with no pleomorphism separated by thin fibro-vascular septa

5 Liposarcoma is composed of large bizarre lipoblasts (primitive nucleated fat cells with clear vacuolated cytoplasm ) with mitoses and pleomorphism

6 Benign fibrous histiocytoma : proliferating spindle shaped cells arranged in storiform pattern, foam cells, hemosidrin deposits & multinucleated giant cells FIBROUS HISTIOCYTOMA

7 Rhabdomyoblast is the diagnostic cell in all types (oval or elongated) (tadepole or strap cells ) with esinophilic eccentric granular cytoplasm containing cross striations Sheets of both oval & spindle shaped malignant cells showing all malignant criteria RHABDOMYOSA RCOMA

8 - Dense fibrous trabeculae divide the tumor into compartments - Nests or islands of tumour cells are separated by thin walled vascular septa - Tumor cells are large, round to oval, with eosinophilic granular cytoplasm, eccentric rounded nuclei and prominent nucleoli. - Central degeneration and loss of cohesion, result in pseudo alveolar pattern. Alveolar soft part sarcoma

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