It is also known by other names such as anterior middle cyst, maxillary midline cyst, anterior middle palatine cyst, and incisor duct cyst 3. The purpose of this paper was to report an unusual case of nasopalatine duct cyst in a 7yearold boy who presented with a slowgrowing, slight swelling of the anterior palate together with. Nasopalatine duct cysts are the most cormnon nonodontogenic developmental cysts originating in the incisive canal of the maxillae. The nasopalatine cyst is the most common epithelial and nonodontogenic cyst of the maxilla. The clinical examination revealed fluctuant swellings of the. A single stitch was applied without the cavity being filled in. This report describes the appearance and treatment of a rare case of bilateral nasopalatine duct cyst. It is one of the most common nonodontogenic cysts of the oral cavity, occurring in about 1% of the population.
Huge nasopalatine duct cyst treatment with the help of cystectomy. It is unique in that it develops in only a single location the midline anterior maxilla. Presentation may be asymptomatic or include swelling, pain, and drainage from the hard palate. The morphology of npc was classified in sagittal, coronal and axial planes on the cone beam computed tomography cbct. Extensive nasopalatine cyst with nasal involvement. Cysts can be congenital but are usually acquired, the most common. The cyst is so common, in fact, that it will affect approximately one out of every one hundred persons.
Several authors have reported different dimensions of radiolucency as diagnostic of the cyst. Radiographically, the nasopalatine cyst appears as a welldemarcated round, ovoid, or heartshaped structure presenting in the midline of the maxilla. A nasopalatine cyst is defined as a developmental cyst that occurs in nose and palate region. Arcuri 1 ds, university of rome tor vergata, department of odontostomatology, foundation policlinico tor vergata, rome, italy 2 ds pd school of dentistry aou policlinico g. Nasopalatine duct cyst is a developmental, nonodontogenic cyst of jaw. At present, according to the classification of the world health organization. Pdf nasopalatine duct cyst is an intraossseous developmental cyst of the midline of the anterior palate. It is known to be the most frequently occurring non odontogenic cyst of the oral cavity. Huge nasopalatine duct cyst treatment with the help of cystectomy and bilateral fenestration surgery of the nasal cavity. Pdf nasopalatine duct cyst a case report top journal.
Nasopalatine duct cyst occurs in the median of the palate within the incisive canal, which is located in the palatine process, posterior to the alveolar process of the upper maxillary central incisors. The cyst arises from epithelial remnants from the nasopalatine duct. Other names were also used for the lesion such as maxillary midline cyst, anterior midline cyst, and incisive duct cyst and anterior middle palatine cyst. Nasopalatine duct cyst arises from embryologic remnants of nasopalatine duct. Nasopalatine duct cyst also known as nasopalatine cyst is a developmental, epithelial, nonneoplastic cyst that is considered to be the most common nonodontogenic cyst in the maxillofacial region. Nasopalatine duct cyst npdc is the most common of all the developmental, epithelial and nonodontogenic cysts of the maxilla.
Prevalence, distribution, and differential diagnosis of. Nasopalatine duct article about nasopalatine duct by the. Anatomy and morphology of the nasopalatine canal using. Expansion of cyst may penetrate the labial plate and produce a swelling below the maxillary labial frenum or to one side. As the palatal processes elevate and fuse in the midline, epithelium that remains in the oral cavity forms this cyst. Nasopalatine duct cyst or nasopalatine canal cyst is a common intra ossseous developmental cyst occurring in the midline of maxillary anterior region. The nasopalatine duct cyst occurs in the nasopalatine or incisive canal, and it may be difficult to decide on a radiograph whether radiolucency in that area is a cyst or a large incisive foramen. The cyst originates from epithelial remnants from the nasopalatine. Nasopalatinecysts are usually asymptomatic, but may sometimes produce an elevation in the anterior portion of the palate, and arediscovered incidentally during routine radiological examination. Nasopalatine duct cyst article about nasopalatine duct cyst. These are normally asymptomatic, constituting casual radiological findings. These lesions, also known by other names such as anterior middle cyst, maxillary midline cyst, anterior middle palatine cyst, and incisor duct cyst. Studies have reported that the nasopalatine duct cysts npdcs are the most common developmental, epithelial, and nonodontogenic cysts of the oral cavity 1, 2, representing up to 1% of all maxillary cysts 1, 5.
However, reported practices of tooth extraction, root canal therapy on vital teeth adjacent to the cyst, and the postoperative packing of the cystic cavity, appear to. Nasopalatine duct cyst hindawi publishing corporation. During embryonic development, the nasopalatine duct connects the oral and nasal cavities. It is considered the most common nonodontogenic cyst and develops only in the midline anterior maxilla. One branch of the pterygopalatine ganglion trigeminal nerve, maxillary branch, longer and larger than the others, is named the nasopalatine nerve sometimes called the long sphenopalatine nerve. Anatomical evaluation of nasopalatine canal on cone beam. The nasopalatine duct cyst is a nonodontogenic developmental cyst which originates in the incisive canal of the maxilla or the anterior palatine papilla. The cells may be activated spontaneously during life or are eventually stimulated by the irritating action of various agents infection, etc. Cysts in maxillar, mandibular and perioral regions vary greatly in histogenesis, incidence, behavior and treatment. Dental and surgical controversial practices during the. Mar 04, 2010 the cyst is so common, in fact, that it will affect approximately one out of every one hundred persons. Introduction a cyst is defined as a pathological cavity lined by a membrane and may contain liquid or semisolid material 3.
Nasopalatine duct cysts are the most common nonodontogenic cyst of the oral cavity seen in the general population. Surgical treatment was carried out under local anesthesia and comprised the dissection and removal of the cyst adopting a usually palatine approach. The nasopalatine duct cyst npdc was first described by meyer in 1914. These cysts are usually asymptomatic, but the most commonly reported clinical symptom is swelling in the anterior part of the palate, just behind the palatal papilla.
Pdf the nasopalatine cyst is the most frequently occurring developmental, non odontogenic epithelial cyst of the. An unusually large destructive nasopalatine duct cyst. It originates in the midline of the palate, the front part of the roof of the mouth. This cyst originates from epithelial remnants from the nasopalatine duct. A wellcircumscribed, heartshaped, midline radiolucency that is interradicular in location between the roots of vital maxillary incisor teeth is virtually pathognomonic for nasopalatine duct cyst. Nov 04, 20 the nasopalatine cyst is the most common epithelial and nonodontogenic cyst of the maxilla. A 35yearold man was endodontically treated for radiolucency in relation to the roots of maxillary central incisors as it was a provisionally diagnosed case of radicular cyst. It is one of the most common nonodontogenic cyst, comprising 10% of jaw cysts and occurring in 1 of every 100 persons with a slight male. Nasopalatine cysts are usually asymptomatic and may be discovered. A silent growing lesion angel terreroperez, mariela peraltamamani, eduardo santana, jose humberto damante, alberto consolaro, izabel regina fischer rubirabullen and ana lucia alvares capelozza department of stomatology, bauru school of dentistry, university of sao paulo, brazil. These developmental npdc are usually asymptomatic and are discovered during routine radiological examination done for. Nasopalatine canal npc incisive canal morphology is important for oral surgery techniques carried out on the maxilla, in the treatment of naso palatine cyst, palatal pathologies that require a surgical intervention.
According to shear and speight,7 a radiographic shadow. Nasopalatine duct cysts in 70 patients were reexamined clinically and radiographically. A nasopalatine is the most commonly occurring non dental cyst. Endodontic diagnosis is challenging and depends on the organisation of information from the patient history, clinical examination and analysis of the pulp, radiographic and histopathological assessment. Cysts of the jaws made easy cyst lumen wall of fibrous connective tissue lining epithelium charles dunlap, dds umkc school of dentistry 212000 cysts of the jaws2a word of caution. The nasopalatine duct cyst incisive canal cyst, median anterior maxillary cyst is the most common cyst of nonodontogenic origin in the maxilla. Diagnosis quiz case congenital defects jama otolaryngology. Cystectomy and bilateral fenestration surgery of the nasal cavity. Nasopalatine duct cyst npdc is the most common of all. Squamous cell carcinoma in the maxilla probably originating. A case history of dental implant placement in the anterior maxilla with invasion of the nasopalatine duct together with the unidentified injury to an aberrant neurovascular canal inferior to the canalis sinuosus is presented. Nasopalatine duct cyst med oral patol oral cir bucal. Pdf nasopalatine duct cyst diagnosis, treatment and. A developmental cyst, the nasopalatine duct cyst is believed to arise from epithelial remnants of the.
Most of these cysts develop in the midline of anterior maxilla near the incisive foramen. One branch of the pterygopalatine ganglion trigeminal nerve, maxillary branch, longer and larger than the others, is named the nasopalatine nerve sometimes called the long sphenopalatine nerve it enters the nasal cavity through the sphenopalatine foramen, passes across the roof of the nasal cavity below the orifice of the sphenoidal sinus to reach the septum, and then runs obliquely. Ct through the hard palate demonstrates a sharply marginated cystic space in the region of the incisive canal, consistent with a nasopalatine duct cyst. The nasopalatine duct cyst is consi dered to arise from the epithelial remnants of the the nasopalatine duct cyst is a nonodontogenic nasopalatine ducts. Nasopalatine duct cysts usually present as unilateral pathology, but they may also occur bilaterally approximately 0. An erroneous interpretation of cystic radiolucency in relation to maxillary central incisors can often lead to inappropriate treatment planning. Nasopalatine duct cysts npdcs, also known as incisive canal cysts, are the most common nonodontogenic cyst of the gnathic bones.
Yogesh 1, akshay shetty2, tejavathi nagaraj 3, pooja sinha3 1department of oral and maxillofacial pathology, sri rajiv gandhi college of dental sciences, bangalore, karnataka, india, 2department of oral and maxillofacial. The nasopalatine cyst npc represents from 38 to 43. The cyst is located very near to the teeth but its origin is not related to the tooth. Case report nasopalatine duct cyst pratikdedhia, 1 shelydedhia, 2 amoldhokar, 1 andankitdesai 3 department of oral medicine and radiology, terna dental college, nerul, navi mumbai, india. Huge nasopalatine duct cyst treatment with the help of. As a cyst, the nasopalatine duct cyst requires histological analysis for a definitive diagnosis. A 21year old male patient complains of pain and swelling in the upper front tooth region since. Nasopalatine duct cysts are cysts which form in the incisor canal region of the maxilla and originate in the nasopalatine duct, or its remnants.
Nasopalatine duct cyst also termed as incisive canal cyst, arises from embryologic remnants of nasopalatine duct. Hence the existence of teeth mobility along with nasopalatine duct cyst can be a rare case. Nasopalatine duct cyst incisive canal cyst the incisive canal is a midline bony canal, single. The nasopalatine duct cyst was first described by meyer in 1914 1. Find, read and cite all the research you need on researchgate.
Incisive canal cyst or nasopalatine duct cysts npdcs are the most common nonodontogenic and developmental cysts of the maxilla. This cyst originates from epithelial remnants from the nasopalatine. A nasopalatine duct or incisive canal cyst is the most common nonodontogenic cyst of the oral cavity and occurs in 1% of the population. The prevalence of these cysts in women is three times the men 4,10,11. The radiographic and histological findings correlated with that of npdc fig. We presented a 46yearold male with nasopalatine duct cyst. The nasopalatine duct cyst npdc represents about 1. Nov 16, 2012 the nasopalatine duct cyst npdc is an intraosseous developmental cyst of the midline of the anterior palate. The therapy of nasopalatine duct cysts consists of an enucleation of the cystic tissue, only in rare cases a. Nasopalatine nerve an overview sciencedirect topics. Cysts of the jaws university of missourikansas city. Nasopalatine duct cyst or nasopalatine canal cyst is a common intra ossseous. Extensive nasopalatine cyst with nasal involvement sciencedirect.
A developmental cyst, the nasopalatine duct cyst is believed to arise from epithelial remnants of the nasopalatine duct, the communication between the nasal cavity and anterior maxilla in the developing fetus. Mar 27, 20 if the cyst is near the surface, the swelling usually is fluctuant and blue. Pdf nasopalatine duct cyst is an intraossseous developmental cyst. Nasopalatine duct cysts are the most common of developmental nonodontogenic cysts in the oral cavity and represent 10% of maxillary cysts. A clinical report demonstrating the significance of. The world health organization classified the nasopalatine duct cyst as a developmental, epithelial, nonodontogenic cyst of the maxilla. Most studies this report, presence of evidence of the root treatment rct in. International journal of oral and maxillofacial surgery. Etiology of this cyst is unknown 1,10,12, although. Nasopalatine duct cyst also known as nasopalatine cyst is a developmental, epithelial, nonneoplastic cyst that is.
The cyst originates from epithelial remnants from the nasopalatine duct. With major frequency in men, between the fourth and sixth decades. The cyst is commonly asymptomatic and associated with swelling that usually located in the midline of anterior palate. Nasopalatine canal cyst may occur within the nasopalatine canal or in the soft tissues of the palate, at the opening of the canal, where it is called the cyst of the palatine papilla.
The persistence of ductal epithelium leads to formation of cyst. Nasopalatine duct cyst diagnosis, treatment and postoperative complications. The cells could be activated spontaneously during life, or are eventually stimulated by the irritating. Anatomy and morphology of the nasopalatine canal using cone. Report of case ritsuo takagi, dds, phd, yasushi ohashi, dds, phd.
It is unique in that it develops in only a single location the midline. Nasopalatine duct cyst occurs in approximately 1% of the population. Extensive nasopalatine cyst with nasal involvement revista. Nasopalatine duct cyst occurs in the median of the palate. The nasopalatine duct cyst is the most common nonodontogenic developmental cysts. Nasopalatine cyst is often misdiagnosed as inflammatory cyst originating from the incisor teeth due to the proximity of the cyst to the incisors. The deeper nasopalatine duct cyst is covered by normalappearing mucosa unless it is ulcerated from masticatory trauma. The nasopalatine duct cyst npdc was first described in 1914 by meyer 2. Incisive canal cysts, also known as nasopalatine duct cysts npdc, are developmental, nonneoplastic cysts arising from degeneration of nasopalatine ducts. Jan 25, 2015 nasopalatine duct cyst was described by meyer for the first time in 1914 1,2. Since the palatal swelling persisted, the lesion was reevaluated using relevant diagnostic aids and a diagnosis of nasopalatine duct cyst npdc was made, which was missed during the initial assessment.
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