?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Retroperitoneal+Ancient+Schwannoma&rft.creator=Patil%2C+N&rft.creator=Joshi%2C+S&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=Schwannomas+are+rare+tumors+which+arise+from+nerve+sheath+and+are+mostly+benign+in+nature.+They+are+usually+located+in+the+head%2C+neck+and+flexor+surfaces+of+extremities.+Schwannomas+are+very+rare+in+the+retroperitoneal+region.+Amongst+all+schwannomas+0.7%25+of+benign+ones+and+1.7%25+of+malignant+ones+are+located+in+the+retroperitoneum.+Preoperative+diagnosis+is+difficult+because+of+vague+symptoms.+We+report+a+case+of+retroperitonal+schwannoma+in+a+70+years+female+patient+because+of+its+rarity+and+unusual+location.&rft.publisher=Kakkilaya+BS&rft.contributor=Kakkilaya%2C+Dr+Srinivas&rft.date=2014-05-15&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F9735%2F1%2F2014-1-9.pdf&rft.identifier=++Patil%2C+N+and+Joshi%2C+S++(2014)+Retroperitoneal+Ancient+Schwannoma.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F9735%2F