Ancient Schwannoma

A benign, potentially large peripheral nerve tumour that is most common in the retroperitoneal space, characterised by cyst formation, calcification, hyalinisation, and haemorrhage
Management Simple excision
References in periodicals archive ?
Retroperitoneal ancient schwannoma presenting as an adrenal incidentaloma: CT and MR findings.
where a 35-year-old woman who had bilateral adrenal masses had undergone laparoscopic adrenalectomy under the suspicion of a malignant tumor, however, pathologic findings indicated a retroperitoneal ancient schwannoma (4).
Ancient schwannoma masquerading as parotid pleomorphic adenoma.
These include pleomorphic lipoma, pleomorphic leiomyoma,[6] ancient schwannoma,[7] pleomorphic fibroma,[8] and variants of dermatofibroma with atypical cells, known as dermatofibroma with monster cells.
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