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Pediatric nasopalatine vs. median palatine cysts: differential diagnosis and endoscopic management - a comparative
Xiuping Wu1, Jing Wei2, Chen Liu1
1Department of Otolaryngology, Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 56 NanLishi Road, Xicheng District, 100045, Beijing, China.
Insights
Median palatine cysts (MPCs) and nasopalatine duct cysts (NPDCs) are rare pediatric lesions. Histopathology confirms distinct diagnoses, aiding early intervention and favorable maxillofacial development.
Area of Science:
- Pediatric Dentistry
- Oral Pathology
- Maxillofacial Surgery
Background:
- Median palatine cysts (MPCs) and nasopalatine duct cysts (NPDCs) are rare non-odontogenic cysts in children.
- Often asymptomatic and overlooked, leading to misdiagnosis.
- Few comparative pediatric cases are reported, highlighting the need for differentiation.
Purpose of the Study:
- To compare histopathological features of MPCs and NPDCs in pediatric patients.
- To analyze the impact of these cysts on maxillofacial development.
- To provide a clinical reference for early diagnosis and intervention.
Main Methods:
- Two pediatric patients with similar symptoms and dental malalignment were studied.
- Initial imaging suggested NPDCs; both underwent endoscopic cyst removal.
- Postoperative histopathology differentiated MPC from NPDC based on cyst wall composition.
Main Results:
- Histopathology revealed distinct cyst wall compositions: NPDC had specialized structures, MPC did not.
- Endoscopic surgery was a feasible approach for both cyst types.
- Two-year follow-up showed favorable maxillofacial development and no recurrence.
Conclusions:
- MPCs and NPDCs have similar clinical presentations but distinct histopathological characteristics.
- Accurate differential diagnosis is crucial for surgical planning and mitigating maxillofacial developmental impacts.
- Endoscopic surgery is a viable option, benefiting pediatric dentists and otolaryngologists.
Background:
Median palatine cysts (MPCs) and nasopalatine duct cysts (NPDCs) are rare non-odontogenic cystic lesions in the pediatric population. Due to their low incidence and often asymptomatic nature in children, these cysts are frequently overlooked or misdiagnosed. To the best of our knowledge, few comparative pediatric cases have been reported. The novelty lies in the detailed histopathological differentiation and the analysis of their impact on maxillofacial development, providing a crucial clinical reference for early intervention.
Case Presentation:
In this report, two pediatric patients presented with similar clinical manifestations and obvious dental malalignment. Initial imaging suggested NPDCs in both cases. Both patients underwent complete cyst removal via endoscopic nasal surgery. Postoperative histopathological examination confirmed the distinct diagnoses: one as an MPC and the other as an NPDC. The primary histopathological differentiator was the composition of the fibrous cyst wall; the NPDC contained specialized structures (blood vessels, nerves, and mucous glands), which were absent in the MPC. At the two-year follow-up, both patients showed favorable maxillofacial development and no signs of recurrence.
Conclusions:
These cases illustrate that while MPCs and NPDCs may share clinical similarities, they possess distinct histopathological characteristics. The endoscopic approach appears to be a feasible surgical option in these cases. Early and accurate differential diagnosis can aid in surgical planning and may help mitigate potential impacts on pediatric maxillofacial development, offering useful insights for otolaryngologists and pediatric dentists.
