?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Primary+Non-Hodgkin's+Malignant+Lymphoma+of+the+Sinonasal+Tract&rft.creator=Bist%2C+SS&rft.creator=Varshney%2C+Saurabh&rft.creator=Singh%2C+Rakesh+Kumar&rft.creator=Bhagat%2C+Sanjeev&rft.creator=Gupta%2C+Nitin&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=Primary+non-Hodgkin%E2%80%99s+lymphomas+(NHL)+of+the+sinonasal+tract+are+rather+uncommon+entities.+Morphologically+and+radiographically%2C+sinonasal+lymphomas+are+difficult+to+distinguish+from+other+malignant+neoplasms+or+non-+neoplastic+processes.+They+have+a+variable+presentation+from+fulminant+destructive+manifestations+to+chronic+indolent+type+of+disease+and+may+mimic+as+carcinomas+and+invasive+fungal+infection+respectively.+We+report+a+case+of+primary+NHL+involving+sinonasal+tract+in+elderly+female%2C+which+was+clinically+and+radiologically+mimicking+as+sinonasal+malignany+and+was+proven+as+NHL+on+histological+examination+and+confirmed+by+immunohistochemistry.+A+high+index+of+suspicion%2C+appropriate+histopathological+examination+and+immunohistochemistry+is+necessary+to+differentiate+sinonasal+lymphomas+from+other+possibilities.+Failure+to+do+so+may+miss+the+diagnosis+and+delay+appropriate+treatment&rft.publisher=Kakkilaya+BS&rft.contributor=Kakkilaya%2C+Dr.+Srinivas&rft.date=2009-09-08&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6675%2F1%2F2009-2-9.pdf&rft.identifier=++Bist%2C+SS+and+Varshney%2C+Saurabh+and+Singh%2C+Rakesh+Kumar+and+Bhagat%2C+Sanjeev+and+Gupta%2C+Nitin++(2009)+Primary+Non-Hodgkin's+Malignant+Lymphoma+of+the+Sinonasal+Tract.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6675%2F