Cases reported "Choanal Atresia"

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1/61. Surgical treatment of choanal atresia in CHARGE association: case report with long-term follow-up.

    A patient affected by a multisystem malformation, the CHARGE association, is described. The choanal atresia is one of the stigmata characterizing this syndrome. The main anomalies of the association, the surgical correction (choanoplasty with endoscopic transnasal approach followed by the application of nasal stenting) and a comparison with different techniques are reported.
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keywords = nasal
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2/61. Unilateral choanal atresia. A possible indication for computer aided surgery? "A report of two cases".

    choanal atresia (CA) is a congenital obstruction of the posterior nose. Bilateral CA is a paediatric emergency and must be treated surgically in the first few weeks after birth. This is in contrast to unilateral CA, because surgical management can be planned more selectively. Transpalatinal surgery for CA is a safe procedure. The endonasal technique is minimally invasive and less traumatic; however, a major disadvantage is a limited field of vision. Computer aided surgery using images acquired by computer tomography (CT) or magnetic resonance imaging (MRI) is an application that has emerged in the last few years. This application provides an additional safety factor for endoscopic surgery to resolve choanal atresia, especially in cases of another malformation. We report results from two cases of unilateral CA who were surgically managed with Computer aided surgery.
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keywords = nasal, nose
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3/61. choanal atresia in premature dizygotic twins--a transnasal approach with holmium:YAG-laser.

    twins born prematurely presented with choanal atresia and were successfully treated using a transnasal, endoscopically and microscopically controlled Ho:YAG-Laser assisted technique. One twin, who had bilateral choanal atresia was operated immediately, the other one, with unilateral choanal atresia, received surgery 8 months after birth. The rare feature of twins both suffering from choanal atresia and a technique for definitive treatment of this disease in premature neonates are presented and discussed. This report of dizygotic twins with nonsyndromal choanal atresia suggests the possibility of an autosomal recessive inheritance with various penetration or an undefined teratogenic etiologic factor.
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4/61. Bilateral choanal atresia associated with nasal dermoid cyst and sinus: a case report and review of the literature.

    The relationship of choanal atresia to various systemic malformations is well acknowledged by the CHARGE acronym: colobomas, heart defects, atresia choanae, retarded growth and development, genito-urinary defects, and ear defects. In the past, we have reported the finding of an isolated skull base malformation associated with choanal atresia. We report here a unique case of choanal atresia associated with a patent foramen cecum and intracranial extension of a dermoid sinus. The embryogenesis of this condition is accounted for by the mesodermal flow theory of choanal atresia formation, and implies a need for thorough imaging of the anterior skull base in cases of bilateral atresia.
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ranking = 2
keywords = nasal
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5/61. Assessment of congenital bony nasal obstruction by 3-dimensional CT volume rendering.

    The nature and extent of congenital bony nasal obstruction is best determined by X-ray computed tomography (CT) imaging. Three-dimensional volume rendering of CT images provides an integrated perspective that can assist in clinical decision making and in operative planning. Clinical cases of choanal atresia and pyriform aperture stenosis are reviewed with their images. The authors propose this modality as an evolving standard for imaging of congenital bony nasal obstruction.
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6/61. Unilateral rhinorrhea and nasal obstruction in an adult.

    BACKGROUND: choanal atresia is an uncommon malformation, consisting of congenital blockage of one of both choanae. Symptomatology varies according to the type of atresia and the age of the patient. The bilateral, or complete, form presents in newborns as respiratory distress while unilateral, or incomplete, forms present in older children or adults. CASE REPORT: a 16-year-old girl presented with a lifelong history of right-sided nasal blockage and unilateral watery rhinorrhea. The rhinorrhea increased when the patient bent her head forward. Treatment with antihistamines and topical nasal corticosteroid sprays produced little improvement. The patient's previous medical history was unremarkable except for the expulsion of a coagulated mass through the right nostril a few days after birth, and event that provoked her symptoms. physical examination was normal except for excoriation of the right external nasal margin. Anterior rhinoscopy revealed watery rhinorrhea, erythematous mucosa in the right nasal cavity and deviated nasal septum. No nasal masses or polyps were found. physical examination confirmed the absence of ventilation in the right nasal airway and nasal endoscopy indicated right choanal obstruction. Diagnostic test: skin prick tests with aeroallergens were positive for grass pollen and negative for all other allergens tested (mites, moulds, latex, and epithelia). Total IgE was normal (9 IU/ml). No eosinophilia was detected in the nasal secretion specimen. The results of laboratory tests including complete blood count and differential, erythrocyte sedimentation rate, and biochemical parameters were normal. The glucose level in nasal secretion was 4.6 mg/dl. x-rays of the paranasal sinuses and cavum showed no anomalies. Axial fine-cut computed tomography scans (3 3 mm) revealed choanal obstruction with bony and membranous components. CONCLUSIONS: a diagnosis of congenital choanal atresia should be considered in cases of unilateral blockage and rhinorrhea. Nasal endoscopy and computed tomography scans are essential to establish diagnosis.
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7/61. Bilateral choanal atresia--respiratory emergency in a neonate.

    Bilateral choanal atresia is potentially a fatal respiratory emergency in a newborn. A 2-day-old full term male infant was presented with history of attacks of cyanosis, difficulty in suckling and respiration. On examination cyclical change of body colour, ie, alternating cyanosis and normal colour was observed. CT scan of the base of the skull revealed bilateral choanal atresia. The patient underwent choanal canalisation operation by transnasal route using Lichtwitz trocar and cannula with controlled force.
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8/61. Double partial monosomies (10p- and Xp-) in a female baby with choanal atresia.

    Chromosomal abnormalities involving double partial monosomies are very rare. A female infant with non-mosaic monosomy 10p13-->10pter along with monosomy Xp11.4-->Xpter which arose de novo is described. The clinical manifestations of this patient included microcephaly, mild synophrys, short and down-slanted palpebral fissures, ptosis of the left eye, long eyelashes, a depressed nasal bridge, dysplastic ears, micrognathia, a short neck. sensorineural hearing impairment, and severe growth retardation. Left choanal atresia and laryngomalacia were detected by flexible fibroscopy. No signs of hypoparathyroidism or defective cellular immunity could be found. fluorescence in situ hybridization (FISH) with whole-chromosome painting probes for chromosomes 10 and X was performed, which excluded the possibility of cryptic translocations of the involved chromosome segments. No submicroscopic chromosome 22q11 deletion could be found by FISH. Thus this very rare coexistence of double independent partial monosomies was confirmed. There are no previous reports of such concurrent double partial monosomies.
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9/61. Bilateral congenital choanal atresia in a 13-year-old patient.

    Congenital choanal atresia (CCA) is the developmental failure of the nasal cavity to communicate with the nasopharynx. Surgical repair is recommended in the first weeks of life in bilateral cases, because in newborns this is a life-threatening situation. This is a case report of a 13-year-old patient complaining of long-term bilateral nasal obstruction and rhinorrea, in whom bilateral choanal atresia was diagnosed by endoscopic exploration and CT scan, and who was treated by an endonasal endoscopic surgical technique. Bilateral choanal atresia is a life-threatening disease in newborns; however, it can be diagnosed in adults with bilateral nasal obstruction and rhinorrea.
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ranking = 2.0766990347621
keywords = nasal, nose
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10/61. choanal atresia: an unusual serious complication of complementary and alternative medical treatment.

    The use of complementary and alternative medicine (CAM) is common among patients with chronic, long-standing nasal disease. Complications resulting from inappropriate CAM practices are sometimes reported, but serious complications such as choanal atresia and stenosis are rare. We report a case of choanal atresia and stenosis due to herbal drug (ie, chemical) cauterization of the nasal cavity in a 39-year-old man. We reviewed the literature on why patients previously given conventional treatment seek alternative therapies. The patient underwent surgical intervention to relieve choanal atresia and stenosis. The postoperative course was unremarkable, and follow-up for 1 year revealed no evidence of restenosis. choanal atresia and stenosis resulting from CAM treatment are rare. Otolaryngologists should be aware of possible complications occurring in patients receiving such treatments.
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keywords = nasal
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