?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Olfactory+Neuroblastoma%3A+Diagnostic+Difficulty&rft.creator=MN%2C+Vidya&rft.creator=Shivakumar%2C+Swarna&rft.creator=Biswas%2C+Siddhartha&rft.creator=S%2C+Vijay+Shankar&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=Olfactory+neuroblastoma+is+an+uncommon+malignant+tumor+of+sinonasal+tract+arising+from+the+olfactory+neuro+epithelium.+The+olfactory+neuroblastomas+presenting+with+divergent+histomorphologies++like%2C+epithelial+appearance+of+cells%2C+lacking+a+neuro+fibrillary+background+and+absence+of+rosettes+are+difficult+to+diagnose.++Such+cases+require+immunohistochemistry+to+establish+the+diagnosis.+We+describe+the+clinical+features%2C+pathological+and++immunohistochemical+findings+of+grade+IV+Olfactory+neuroblastoma+in+a+57+year+old+man&rft.publisher=BS+Kakkilaya&rft.contributor=Kakkilaya%2C+Dr+Srinivas&rft.date=2011-01-20&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F7261%2F1%2F2010-4-18.pdf&rft.identifier=++MN%2C+Vidya+and+Shivakumar%2C+Swarna+and+Biswas%2C+Siddhartha+and+S%2C+Vijay+Shankar++(2011)+Olfactory+Neuroblastoma%3A+Diagnostic+Difficulty.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F7261%2F