Klestadt Cyst: Magnetic Resonance Imaging

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The Klestadt cyst, also known as nasoalveolar cyst, is an uncommon nonodontogenic tumor located in the maxillofacial soft tissue, on the region corresponding to the nasolabial furrow. Following its first description by Zuckerkandl in 1882, <300 patients have been reported in the literature. Magnetic resonance imaging (MRI) is the preferred modality for diagnosis and management of Klestadt cyst. Magnetic resonance imaging is superior to computed tomography in demonstration of the relationship with surrounding soft tissues and bones, and also showing the accurate localization of the lesion. The aim of this report is to describe 2 patients with rarely seen Klestadt cyst and to discuss the MRI findings of this condition. Klestadt cyst must be remembered in patients suffering from nasolabial sulcus deformity and/or nasal obstruction. Its correct diagnosis is important for the management of this uncommon cyst.

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