RT Journal Article SR Electronic T1 Spheric Mass Beneath the Alar Base: MR Images of Nasolabial Cyst and Schwannoma JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1826 OP 1829 VO 27 IS 9 A1 Iida, S. A1 Aikawa, T. A1 Kishino, M. A1 Sakai, T. A1 Nakano, Y. A1 Okura, M. A1 Kogo, M. YR 2006 UL http://www.ajnr.org/content/27/9/1826.abstract AB SUMMARY: We report 2 cases of nasolabial cyst and a case of schwannoma beneath the alar base that required a differential diagnosis because of clinical features and MR images that resembled the nasolabial cyst. The morphologic analysis on MR images revealed the characteristic appearance of the nasolabial cyst, and the sagittal MR image may be most helpful for diagnosing this rare disease.