ISSN-1807-5932 CLINICS CONTENTS Clinics 2012 67(5):409–541 CLINICAL SCIENCES Acoustic analyses of diadochokinesis in fluent and stuttering children Fabiola Staróbole Juste, Silmara Rondon, Fernanda Chiarion Sassi, Ana Paula Ritto, Claudia Aparecida Colalto, Claudia Regina Furquim de Andrade. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409 Current practices in the management of patients with ureteral calculi in the emergency room of a university hospital Oliver Rojas Claros, Carlos Hirokatsu Watanabe Silva, Horacio Consolmagno, Americo Toshiaki Sakai, Rodrigo Freddy, Oscar Eduardo Hidetoshi Fugita . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415 Epidermal growth factor receptor and KRAS mutations in Brazilian lung cancer patients Carlos E. Bacchi, Heloı́sa Ciol, Eduardo M. Queiroga, Lucimara C. Benine, Luciana H. Silva, Elida B. Ojopi. . . . . . 419 Thymopoiesis and regulatory T cells in healthy children and adolescents Maria Izabel Arismendi, Esper Georges Kallás, Bianca Almeida Natali dos Santos, Magda Maria Sales Carneiro-Sampaio, Cristiane Kayser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 Shewanella infection of snake bites: a twelve-year retrospective study Po-Yu Liu, Zhi-Yuan Shi, Chin-Fu Lin, Jin-An Huang, Jai-Wen Liu, Kun-Wei Chan, Kwong-Chung Tung . . . . . . . 431 A comparison of CA125, HE4, risk ovarian malignancy algorithm (ROMA), and risk malignancy index (RMI) for the classification of ovarian masses Cristina Anton, Filomena Marino Carvalho, Elci Isabel Oliveira, Gustavo Arantes Rosa Maciel, Edmund Chada Baracat, Jesus Paula Carvalho . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437 Spinocerebellar ataxias – genotype-phenotype correlations in 104 Brazilian families Hélio A. G. Teive, Renato P. Munhoz, Walter O. Arruda, Iscia Lopes-Cendes, Salmo Raskin, Lineu C. Werneck, Tetsuo Ashizawa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443 Longitudinal reference ranges for fetal ultrasound biometry in twin pregnancies Adolfo Wenjaw Liao, Maria de Lourdes Brizot, Helenice Júlio Kang, Renata Almeida Assunção, Marcelo Zugaib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451 Metabolic assessment of elderly men with urolithiasis Celso Heitor Freitas Junior, Eduardo Mazzucchi, Alexandre Danilovic, Artur Henrique Brito, Miguel Srougi . . . . . . 457 A comparative radiographic investigation of femoroacetabular impingement in young patients with and without hip pain Omar Ferreira Miguel, Henrique Berwanger de Amorim Cabrita, Marcelo Bordalo Rodrigues, Alberto Tesconi Croci . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463 The use of nasal dilator strips as a placebo for trials evaluating continuous positive airway pressure Aline C.S. Amaro, Felipe H.G. Duarte, Raquel S. Jallad, Marcello D. Bronstein, Susan Redline, Geraldo Lorenzi-Filho . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469 Obese elderly women exhibit low postural stability: a novel three-dimensional evaluation system José Ailton O. Carneiro, Taiza E.G. Santos-Pontelli, Karla H.C. Vilaça, Karina Pfrimer, José F. Colafêmina, Antonio Adilton O. Carneiro, Eduardo Ferriolli . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475 Foxp3 expression is associated with aggressiveness in differentiated thyroid carcinomas Lucas Leite Cunha, Elaine Cristina Morari, Suely Nonogaki, Fernando Augusto Soares, José Vassallo, Laura Sterian Ward . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483 BASIC RESEARCHES Tension cost correlates with mechanical and biochemical parameters in different myocardial contractility conditions Cleci M. Moreira, Eduardo F. Meira, Luis Vestena, Ivanita Stefanon, Dalton V. Vassallo, Alessandra S. Padilha . . . 489 Acute and subchronic toxicological evaluation of Echinophora platyloba DC (Apiaceae) total extract in Wistar rats Sayid Mahdi Mirghazanfari, Leila Hosseinzadeh, Yalda Shokoohinia, Majid Aslany, Mohammad Kamali-Nejad. . . . 497 Hypoxia/reoxygenation-induced myocardial lesions in newborn piglets are related to interindividual variability and not to oxygen concentration Armando Faa, Nicoletta Iacovidou, Theodoros Xanthos, Annalisa Locci, Pietro Pampaloni, Filippia Aroni, Apostolos Papalois, Gavino Faa, Vassilios Fanos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 503 Articles with short titles describing the results are cited more often Carlos Eduardo Paiva, João Paulo da Silveira Nogueira Lima, Bianca Sakamoto Ribeiro Paiva . . . . . . . . . . . . . . . . 509 READERS OPINION Intraoperative diagnosis of cystobiliary communications of hydatid liver cysts Cuneyt Kayaalp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515 TECHNICAL NOTES Use of hepatitis C-positive donors in transplantation Edson Abdala, Luis Sérgio Fonseca de Azevedo, Silvia Vidal Campos, Marlova Luzzi Caramori, Sı́lvia Figueiredo Costa, Tania Mara Varejão Strabelli, Lı́gia Camera Pierrotti, Glaucia Fernanda Varkulja, Gisele Madeira Duboc de Almeida, Maria Aparecida Shikanai-Yasuda, Comissão de Infecção em Imunodeprimidos, Hospital das Clı́nicas da Faculdade de Medicina de USP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 517 A new technique for the correction of hypoplastic left heart syndrome Roberto Rocha-e-Silva . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 521 CASE REPORTS Early diagnosis of acute kidney injury in a critically ill patient using a combination of blood and urinary physicochemical parameters Alexandre Toledo Maciel, Marcelo Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525 Epigastric heteropagus conjoined twins: two case studies and associated DNA analysis Jun-tao Xie, Li Zhou, Zhi-lin Yang, Hong-yu Sun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 527 Modified Nissen fundoplication: laparoscopic antireflux surgery after Roux-en-Y gastric bypass for obesity Nilton T Kawahara, Clarissa Alster, Fauze Maluf-Filho, Wilson Polara, Guilherme M. Campos, Luiz Francisco Poli-deFigueiredo (in memoriam) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531 Surgical correction of hypoplastic left heart syndrome: a new approach Roberto Rocha-e-Silva, Ricardo De Mola, Elizeu de Souza Santos, Dennys Marcel Sanches Martins, Vanessa Rejane Pesciotto, Dalton Marcelo Hatori, João Paulo Martins Greco. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535 ERRATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541