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 ?
This was consistent with the diagnosis of ancient schwannoma (Figure-4).
Schwannoma, ancient schwannoma, peripheral nerve sheath tumor, pediatric patient.
Ancient schwannoma in oral cavity: a report of two cases.
Moriwaki et al., "Retroperitoneal ancient schwannoma presenting as an adrenal incidentaloma: CT and MR findings," Magnetic Resonance Imaging, vol.
Ancient schwannoma is a rare variant of schwannoma (<1% of CS) [1].
Yoneda, "Laparoscopic resection of a retroperitoneal ancient schwannoma: a case report and review of the literature," Anticancer Research, vol.
(4) Mitoses are rare and the nuclei are usually cytologically bland with tapered ends; however, nuclear pleomorphism and atypia may occur as a result of degenerative change, the term ancient schwannoma being used when these changes are prominent.
One of them was reported by Inokuchi et al., 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 involving the median nerve: a case report and review of the literature.
Ancient schwannoma masquerading as parotid pleomorphic adenoma.
Ancient schwannoma's are rare, well encapsulated tumours, of long duration, mostly benign in nature.
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