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Epithelioid leiomyoma of uterus is a rare variant of leiomyoma composed of round or polygonal 'clear' cells rather than typical spindle-shaped cells.
4,5) Though Epithelioid cells, Spindle cells, Giant cells, Eosinophilic cells, Stromal Hyalinization are common features for both PEcomas and epithelioid leiomyoma, presence of network of capillaries are exclusively a feature PEComa.
The present tumor can be distinguished readily from myxoid variants of malignant fibrous histiocytoma, liposarcoma, neurofibroma, epithelioid leiomyoma, and spindle cell lipoma through conventional histologic and immunohistochemical evaluation.
3-5] The spindle cell neoplasms of the gastrointestinal tract were called leiomyoma or leiomyosarcoma, and the predominant round or polygonal cell variant was named epithelioid leiomyoma, leiomyoblastoma, or epithelioid leiomyosarcoma.