(1) The pathogenesis of choanal atresia in regard to the abnormal migration of neuroectodermal cells is discussed.
(2) The external rhinoplasty approach has been utilized in three young children for the correction of unilateral choanal atresia.
(3) The series involves 38 patients who had antral-choanal polyps removed at the Mayo Clinic during the 10 year period between 1965 and 1974.
(4) Major clinical findings include: asymmetric bilateral cryptophthalmos, unilateral orbital cyst of the nasofrontal area, bilateral anophthalmos, right choanal atresia, right microtia, right auditory canal atresia, hypodontia, ankyloglossia, cartilaginous synchondroses of the cervical vertebrae, and bilateral acetabular dysplasia.
(5) An infant with choanal atresia or a nasal glioma will need definitive repair of his specific deformity to ensure the airway prior to consideration of any other problem.
(6) Antro-choanal polyp is generally recognized to represent approximately 4-6% of all nasal polyps; however, it is much more prevalent in the pediatric population.
(7) The advantage of Foley catheter stenting for choanal atresia are that: 1.
(8) The swallowing mechanism may be influenced by a cleft palate, choanal atresia or tumors of the tongue.
(9) Ambigouous genitalia, microcephaly, microphthalmia, hyoptelorism, single choanal opening, low-set ears, simian creases, Tetralogy of Fallot, bilateral hydronephrosis, and absence of the left ureter characterized an infant the died 1 hour postpartum with the karyotype 48,XXY,+13.
(10) A transnasal approach was employed in 28 neonates (26 blacks and 2 whites) with bilateral choanal atresia.
(11) A girl is described with bilateral retinal colobomata, Fallot's tetralogy, unilateral choanal atresia, abnormalities of the external ears, bilateral sensorineural deafness, a unilateral facial nerve palsy, and a tracheo-oesophageal fistula.
(12) Based on the rhinopharyngoscopic evaluation of adenoid volume, the children were divided into 3 groups affected by choanal obstruction defined as: severe (28 cases); partial (14 cases); minimal (8 cases).
(13) This report shows that nonsyndromal choanal atresia can be transmitted as an autosomal recessive trait.
(14) Although the uncommon choanal atresia is the main condition to be excluded, many other possible causes exist.
(15) A bilateral congenital posterior choanal atresia case diagnosed at the age of 16 is presented.
(16) The data on the TSA from the international and national literature is reviewed underlining that the negative elements reported have, in the authors' opinion, been overcome by: perfecting the method for RAG exeresis and the method of the tracheotomy; making technological improvements: pre-operatory embolization, microsurgery applied to TSA in order to check any lateral branches and to the transnasal approach in order to check any residue in the choanal area.
(17) Our review of 24 patients with choanal atresia managed between 1974 and 1986 identified nine patients with the CHARGE criteria.
(18) Although the choanal atresia was successfully corrected, tracheal stenosis secondary to mucosal necrosis, malacia of the cartilage rings, and proliferation of intraluminal granulation tissue at and distal to the tracheal stoma developed.
(19) Although bilateral congenital choanal atresia causes acute life-threatening respiratory obstruction in newborns, this case was able to compensate by rapidly learning mouth breathing and the diagnosis did escape detection for years.
(20) We recommend early tracheotomy rather than early choanal atresia repair in these patients to protect the central nervous system.
Infundibular
Definition:
(a.) Alt. of Infundibulate
Example Sentences:
(1) Intramembrane particles (IMP) were quantitatively assessed in the perikaryal plasma membranes of infundibular neurons.
(2) Differences between parental and nonparental birds in VIP profiles were detected in the ventral portion of the infundibular region.
(3) In the hypothalamus, radioactive material was found to be selectively concentrated in neurons in the ventral part of nucleus arcuatus and in the infundibular region.
(4) We advocate the use of beta blocker to relieve the infundibular spasm in the immediate post operative period, thereby relieving the dynamic outflow obstruction.
(5) On the other hand, when administered to hamsters sulpiride is able to promote stimulation of hypothalamic catecholaminergic neurons of tubero infundibular and anterior periventricularis nuclei.
(6) LH-RH nerve processes terminated mainly in the infurdibular radix within an elliptical zone surrounding the bases of the infundibular recessus.
(7) In addition, LHRH fibers which run caudad through the dorsal infundibular region and then the mesencephalic reticular formation were widely distributed in both the gray and the white matter of the medulla oblongata.
(8) Neuronal hypertrophy occurs in a subpopulation of neurons in the infundibular nucleus of post-menopausal women.
(9) In adult as well as in infant, high densities were found mainly in the diagonal band of Broca, preoptic area and infundibular nucleus.
(10) We performed percutaneous repair in ten patients with infundibular stenosis, three with calyceal diverticula, and ten patients with recurrent ureteropelvic-junction obstruction.
(11) Their perikarya are located in the infundibular nucleus.
(12) Small transvalvar and varied infundibular gradients commonly are present at the end of the procedure.
(13) In the adult, neurons immunoreactive with anti-beta-endorphin are found in the infundibular nucleus.
(14) In premetamorphic tadpoles, tyrosine hydroxylase-immunoreactive neurons were visualized in the suprachiasmatic and infundibular hypothalamus, the ventral thalamus, and midbrain tegmentum by Taylor-Kollros stage V. The number of labeled neurons in all these areas increased as metamorphosis progressed.
(15) The analysis of the scannograms obtained demonstrates that the valves of the thoracic ducts are mainly bicuspid, have a typical infundibular form, their cuspides are fused, forming a mesentery-like fold on the duct wall.
(16) The radiographic features of renal coccidioidomycosis parallel those of renal tuberculosis, with feathery, moth-eaten calices, infundibular constriction and caliceal ballooning, and eventual calcification of granulomas.
(17) Development of the paraventriculo-infundibular corticoliberin system was studied by immunocytochemical analysis of human hypothalamic sections using antisera raised against rat or ovine corticotropin-releasing factor (CRF).
(18) In classic tetralogy of Fallot with stenotic infundibulum, the size of the pulmonary arteries was smaller in proportion to the infundibular stenosis.
(19) Special emphasis is placed on pulmonary stenosis, particularly on its infundibular manifestations.
(20) To the best of our knowledge, connection of the mid-position of the left anterior descending to the infundibular artery has not been previously described.