Eustachian tube (ET) dysfunction play an important role in the development, persistence and recurrence of otitis media with effusion (OME) and chronic otitis. Evaluation of the type of obstruction in the cartilaginous portion of ET is important for decision concerning methods of treatment and prognosis of surgical outcome. The aim of this study was to identify characteristics of dynamic function of the pharyngeal orifice of ET in children with OME and chronic otitis by video endoscopy. Transnasal endoscopic examination of the nasopharyngeal opening of ET during swallowing was performed on 21 children – 13 with OME, 8 with chronic otitis. Video recording were made for dynamic slow-motion analysis of ET dilation and closing processes. Most cases of ET dysfunction in children were obstrucive (81%), associated with mucosal oedema and hyperplasia. Dynamic type of dysfunction is caused by the reduced movement of the tensor veli palatini. Dynamic video analysis is useful in the identify type of ET dysfunction in children. Obstructive dysfuntion need diagnostic procedures for chronic infection, nasopharyngeal reflux and alergic diseases.
Objective: Plunging ranula represents mucous extravasation from the sublingual salivary gland extending to the submandibular space. Although the majority of patients present in the second or third decade of life, it rarely occurs in children. Methods: Three cases of plunging ranula in children, including one in a neonate, are described. The review of the relevant literature is also presented with a special notice to the differential diagnosis and treatment options. Results: Ranulas presented as a slow-growing, soft mass located in the submandibular area. Two patients had also oral presentation. The diagnosis was established basing on clinical signs and computed tomography findings. All cases were treated surgically using various methods. In all cases the histopathological examination confirmed the diagnosis of pseudocyst. Conclusion: Plunging ranula may be misdiagnosed especially in young children and in cases presenting only the symptoms of submandibular swelling
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