INTEwRNATeIONA L JOURNAL OF Oto Lahhino, : Volume contents Volume 46 (1998) Research reports The effect of platelet-derived growth factor on tracheal wound healing J.A. Koempel, S.E. Gibson, K. O’Grady, D.M. Toriumi (USA) Outpatient management of acute mastoiditis with periosteitis in children A. Niv, M. Nash, J. Peiser, R. Dagan, M. Einhorn, A. Leiberman, D.M. Fliss (Israel) Nasal gliomas: Main features, management and report of five cases P. Clarés, R. Bandos, A. Clarés, Jr., 1. Gilea, A. Clarés, M. Real (Spain) Laryngomalacia: a proposed classification form U.K. Shah, R.F. Wetmore (USA) Unilateral choanal atresia: initial presentation and endoscopic repair B.J. Wiatrak (USA) Ear and nose foreign body removal in children A.P.S. Balbani, T.G. Sanchez, O. Butugan, M.A. Kii, F.V. Angélico, Jr.. C.M.Y. Ikino, W.E.P. D’ Antonio (Brazil) \ study of auditory afferent organization in children with dyslalia D. Milici¢, M.N.M.P. Alcgada, L. Pais Clemente, S. Veéerina-Voli¢, J. Jurkovié, M. Pais Clemente (Portugal, Croatia) Risk factors for recurrent and residual cholesteatoma in children determined by second stage operation Y. lino, Y. Imamura, C. Kojima, S. Takegoshi, J.-1. Suzuki (Japan) DNA ploidy in papillary carcinoma of the thyroid gland in children and adolescents Y. Stern, K. Segal, O. Medalia, R. Feinmesser (Isracl) Implications of developmental plasticity for the language acquisition of deaf children with cochlear implants K. Robinson (UK) Hearing screening in at-risk neonate cohort M. Hess, U. Finckh-Krimer, M. Bartsch, G. Kewitz, H. Versmold, M. Gross (Germany) Topical ofloxacin versus systemic amoxicillin/clavulanate in purulent otorrhea in children with tympanostomy tubes E.L. Goldblatt, J. Dohar, R.J. Nozza, R.W. Nielsen, T. Goldberg, J.D. Sidman, M. Seidlin (USA) Aberrant second branchial cleft fistula B. Gamble, J. McClay, M. Biavati, S. Choi (USA) Labyrinthine involvement in Langerhans’ cell histiocytosis V.R. Nanduri, J. Pritchard, W.K. Chong, P.D. Phelps, K. Sirimanna, C.M. Bailey (UK) Polyotia—a rare external ear anomaly P.K. Ku, M.C. Tong, V. Yue (People’s Republic of China) Subdural empyema and blindness due to cavernous sinus thrombosis in acute frontal sinusitis 0.T. Yiicel, O. Ogretmenoglu (Turkey) Volume contents vol. 46 (1998) Book Revision Otologic surgery M. Luntz (Israel Otolaryngology: a case study approach Z. Mra (USA) Language delays and disorders: from practice to research J.A. Washington (USA) Calendar Endoscopically guided midfacial degloving in infants for removal of congenital and acquired midfacial masses 1.D. Uretzky, E.A. Mair, S.R. Schoem (USA) Acquired subglottic stenosis—depth and not extent of the insult is key J.E. Dohar, E.C. Klein, J.L. Betsch, P.A. Hebda (USA) Prevention and management of synechia in pediatric endoscopic sinus surgery using dental wax plates D.R. Nayak, R. Balakrishnan, P. Hazarika (India) Sensorineural hearing loss associated with otitis media with effusion in children C. Mutlu, A.O. Odabasi, K. Metin, S. Basak, Gékhan Erpek (Turkey) Antibodies specific to outer membrane antigens of Moraxella catarrhalis in sera and middle eat effusions from children with otitis media with effusion R. Takada, Y. Harabuchi, T. Himi, A. Kataura (Japan) Surgical approaches to antrochoanal polyps in children S. Basak, C.Z. Karaman, A. Akdilli, K.K. Metin (Turkey) The outcome after perinatal management of infants with potential airway obstruction E. Raveh, B.C. Papsin, D. Farine, E.N. Kelly, V. Forte (Canada) A novel approach to tracheostomal collapse: the use of an endoluminal Palmaz stent A.H. Park, R. MacDonald, V. Forte, R. Filler (USA, Canada) Facial paralysis: a presenting feature of rhabdomyosarcoma M.M.LS. Jan (Saudi Arabia) News from ESPO: European Society of Pediatric Otorhinolaryngology Calendai Volume