[A better approach to nonodontogenic cysts].
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The nasolabial cyst is classified as a nonodontogenic cyst and is the only nonodontogenic cyst to occur in soft tissue. The aim of this retrospective analysis was to gather demographic, clinical, radiographic, and histopathologic data on the nasolabial cysts described in the files of the Oral Pathology Laboratory of Minas Gerais University School of Dentistry. Fifteen cases were included in the analysis. The mean age of the patients at the time of diagnosis was 42 years, and there was a female predilection. All the cysts were asymptomatic. Pseudostratified columnar (respiratory) epithelium, alone or in combination with other types of epithelium, was present in all cysts. Recurrence was not observed after surgical excision.
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Non odontogenic epithelial cyst, again called fissurary cyst, are dysembryophasic cyst of maxillary, they are born throughout the sutures line of faces. Their diagnosis is raising again association of clinic symptom, especially complementary examination and in particular dental vitality test. Their treatment is surgical. Around 14 cysts fissurary have been recorded in a seven-year period.
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OBJECTIVE: Nasolabial cyst is a mucus-secreting, nonodontogenic cyst in the nasofacial area. It is usually situated behind the ala nasi, extending backward beneath the nasal floor into the inferior meatus and forward into the labio-gingival sulcus behind the upper lip. Patients with nasolabial cysts generally undergo surgical removal of the cyst via a transoral sublabial approach. This article reports a simple, less invasive surgical procedure for the treatment of nasolabial cysts. STUDY DESIGN: A transnasal endoscopic marsupialization method was designed to treat patients with nasolabial cysts. From 1996 through 1998, 16 consecutive patients underwent this new surgical procedure. METHODS: With patients under local anesthesia, the roof of the cyst, which was firmly attached to the mucous membrane of the anterior nasal floor, was removed transnasally with a sickle knife and scissors. Under the guidance of a nasoendoscope, the opening of the cyst was widened with bite forceps. Meanwhile, the cut edges of the nasal mucosa and the epithelium lining of the cyst were adequately matched. The nose was then loosely packed. RESULTS: All but 1 of the 15 patients were successfully treated with this technique, and the whole surgical procedure was usually completed within 15 to 20 minutes. Postoperative endoscopic and radiological findings revealed that the cyst was replaced by an air-containing sinus with a persistent opening at the anterior or anterolateral nasal floor. There has been no evidence of mucus accumulation in the newly created sinus or recurrence of the cyst during a mean follow-up of 16 months. CONCLUSIONS: Transnasal endoscopic marsupialization is a simple and effective surgical procedure for treatment of nasolabial cysts.
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The thyroglossal cyst is the most common nonodontogenic cyst in the neck. This cyst may also occur in the lingual or submental areas, though more rarely. Malignant changes have been described. Clinically, no differentiation between a benign cyst and a malignancy can be made. The literature is reviewed regarding the embryology, epidemiology, etiology, symptomatology, radiology, histology, and treatment of this cyst and its malignant counterpart.
Thyroglossal duct cysts are the most common nonodontogenic cysts to occur in the neck, and they often are situated in close proximity to the larynx. Despite this, they almost never present as an intralaryngeal mass. Three cases are cited in which intralaryngeal examination suggested that a larynx lesion was present. In two cases, a submucosal supraglottic mass was seen, while in the third case, the thyroid cartilage was eroded and a laryngeal malignancy was suspected. The role of CT in diagnosing and mapping these tumors is discussed.
Thyroglossal duct cyst is a midline congenital nonodontogenic cyst seen predominantly in children. The clinical history and physical examination, along with characteristic radiographic findings, enable the physician to make a preoperative diagnosis with a high degree of certainty. Surgery is the definitive treatment.
The jaws are unique bones of the skeleton because of their intimate involvement with tooth and facial development. Abnormal sequelae of these developmental processes may give rise to cystic lesions later in life. This paper reviews the pathogenesis, clinical features, and behavior of these odontogenic and nonodontogenic cysts. Justification is found for the exclusion of the globulomaxillary, midmandibular, and midpalatine cysts from a current classification. Emphasis is placed on the importance and controversy surrounding the odontogenic keratocyst.
The maxillary cysts are classified on the basis of the recommendations by the World Health Organisation (1971), based on pathogenic criteria, in developmental and inflammatory, odontogenic and nonodontogenic cysts. Only two maxillary cysts lie primarily extraosseous: a non-odontogenic cyst, the nasolabial cyst, and an odontogenic cyst, the gingival cyst. The nasolabial cyst is a rare, developmental, non-odontogenic maxillary cyst, which offers the peculiarity of its constant extraosseous localization. On the basis of our cases from 1966 to 1988 the clinical patterns, histopathology, differential diagnosis, therapy, prognosis and histopathogenesis of the nasolabial cyst are presented.
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