Search Results - "Nahas, Caio"

Combined artificial intelligence and radiologist model for predicting rectal cancer treatment response from magnetic resonance imaging: an external validation study by Horvat, Natally, Veeraraghavan, Harini, Nahas, Caio S. R., Bates, ‬David D. B., Ferreira, Felipe R., Zheng, Junting, Capanu, Marinela, Fuqua, James L., Fernandes, Maria Clara, Sosa, Ramon E., Jayaprakasam, Vetri Sudar, Cerri, Giovanni G., Nahas, Sergio C., Petkovska, Iva

“…Purpose To evaluate an MRI-based radiomic texture classifier alone and combined with radiologist qualitative assessment in predicting pathological complete…”
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High-risk human papillomavirus test in anal smears: can it optimize the screening for anal cancer? by Kimura, Cintia M.S., Nahas, Caio S.R., Silva-Filho, Edésio V., Ribeiro, Vinícius L., Segurado, Aluisio C., Alcântara, Flávio F.P., Cecconello, Ivan, Nahas, Sergio C.

“…The current method for screening anal cancer is anal cytology, which has low sensitivity. Since high-risk human papillomavirus (HR-HPV) is associated with…”
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Role of Magnification Chromoendoscopy in the Management of Colorectal Neoplastic Lesions Suspicious for Submucosal Invasion by Kawaguti, Fabio S, Franco, Matheus C, Martins, Bruno C, Segateli, Vanderlei, Marques, Carlos F S, Nahas, Caio S R, Pinto, Rodrigo A, Safatle-Ribeiro, Adriana V, Ribeiro-Junior, Ulysses, Nahas, Sergio C, Maluf-Filho, Fauze

“…BACKGROUND:Correctly predicting the depth of tumor invasion in the colorectal wall is crucial for successful endoscopic resection of superficial colorectal…”
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Diagnostic performance of magnetic resonance to assess treatment response after neoadjuvant therapy in patients with locally advanced rectal cancer by Nahas, Sergio Carlos, Nahas, Caio Sergio Rizkallah, Cama, Gerson Montoya, de Azambuja, Rodrigo Lautert, Horvat, Natally, Marques, Carlos Frederico Sparapan, Menezes, Marcos Roberto, Junior, Ulysses Ribeiro, Cecconello, Ivan

“…Purpose Our study aimed to evaluate the diagnostic performance of rectal magnetic resonance imaging (MRI) for local restaging in patients with non-metastatic…”
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Mucinous Degeneration on MRI After Neoadjuvant Therapy in Patients With Rectal Adenocarcinoma: Frequency and Association With Clinical Outcomes by Miranda, Joao, Pinto, Paulo Victor Alves, Kinochita, Fernanda, Garcia, Camila Marchiolli, El Homsi, Maria, Vilela de Oliveira, Camila, Pandini, Rafael Vaz, Nahas, Caio Sergio Rizkallah, Nahas, Sergio C, Gollub, Marc J, Horvat, Natally

“…Patients with nonmucinous rectal adenocarcinoma may develop mucinous changes after neoadjuvant chemoradiotherapy, which are described as mucinous degeneration…”
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Endoscopic submucosal dissection versus transanal endoscopic microsurgery for the treatment of early rectal cancer by Kawaguti, Fábio Shiguehissa, Nahas, Caio Sérgio Rizkallah, Marques, Carlos Frederico Sparapan, da Costa Martins, Bruno, Retes, Felipe Alves, Medeiros, Raphael Salles S., Hayashi, Takemasa, Wada, Yoshiki, de Lima, Marcelo Simas, Uemura, Ricardo Sato, Nahas, Sérgio Carlos, Kudo, Shin-ei, Maluf-Filho, Fauze

“…Background Endoscopic submucosal dissection (ESD) and transanal endoscopic microsurgery (TEM) are minimally invasive procedures that can be used to treat early…”
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Pretreatment colostomy in patients with anal squamous cell carcinoma: Risk factors for a permanent stoma by Sobrado, Lucas F., Nahas, Caio S. R., Marques, Carlos F. S., Sobrado, Carlos W., Nahas, Sergio C.

“…Background The current standard of care for anal squamous cell carcinoma (SCC) is concurrent chemoradiation (CRT), which enables tumor eradication while…”
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Comparing three‐dimensional endorectal ultrasound and magnification chromoendoscopy for early rectal neoplasia invasion depth assessment by Pinto, Rodrigo Ambar, Kawaguti, Fábio Shiguehissa, Kimura, Cintia Mayumi Sakurai, Corrêa Neto, Isaac José Felippe, Nahas, Caio Sérgio Rizkallah, Marques, Carlos Frederico Sparapan, Bustamante‐Lopez, Leonardo Alfonso, Ribeiro‐Jr, Ulysses, Maluf‐Filho, Fauze, Nahas, Sérgio Carlos

“…Introduction Accurate assessment of invasion depth of early rectal neoplasms is essential for optimal therapy. We aimed to compare three‐dimensional endorectal…”
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Salvage Surgery for Anal Squamous Cell Carcinoma: Still a Difficult Challenge by de Paiva, Aline Costa Mendes, Nahas, Sergio Carlos, Kimura, Cintia M. S., Moniz, Camila Motta Venchiarutti, Marques, Carlos Frederico Sparapan, Júnior, Ulysses Ribeiro, Nahas, Caio Sergio Rizkallah

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Outcomes of Patients With Local Regrowth After Nonoperative Management of Rectal Cancer After Neoadjuvant Chemoradiotherapy by Cotti, Guilherme Cutait, Pandini, Rafael Vaz, Braghiroli, Oddone F.M., Nahas, Caio S.R., Bustamante-Lopez, Leonardo A., Marques, Carlos Frederico S., Imperiale, Antonio R., Ribeiro, Ullysses, Salvajoli, Bernardo, Hoff, Paulo M., Nahas, Sergio C.

“…Clinical complete responders after chemoradiation for rectal cancer are increasingly being managed by a watch-and-wait strategy. Nonetheless, a significant…”
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Squamous-Cell Carcinoma of the Rectum: A Rare but Curable Tumor by Nahas, Caio S. R, Shia, Jinru, Joseph, Romane, Schrag, Deborah, Minsky, Bruce D, Weiser, Martin R, Guillem, Jose G, Paty, Phillip B, Klimstra, David S, Tang, Laura H, Wong, Douglas W, Temple, Larissa K

“…PURPOSE: METHODS: RESULTS: CONCLUSIONS:…”
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The Role of Probe-Based Confocal Laser Endomicroscopy (pCLE) in the Diagnosis of Sustained Clinical Complete Response Under Watch-and-Wait Strategy After Neoadjuvant Chemoradiotherapy for Locally Advanced Rectal Adenocarcinoma: a Score Validation by Safatle-Ribeiro, Adriana Vaz, Ribeiro, Ulysses, Lata, John, Baba, Elisa Ryoka, Lenz, Luciano, da Costa Martins, Bruno, Kawaguti, Fábio, Moura, Renata Nobre, Pennacchi, Caterina, Gusmon, Carla, de Lima, Marcelo Simas, de Paulo, Gustavo Andrade, Nahas, Caio Sérgio, Marques, Carlos Frederico, Imperiale, Antônio Rocco, Cotti, Guilherme C., Maluf-Filho, Fauze, Nahas, Sérgio Carlos

“…Background Watch-and-wait strategy has been increasingly accepted for patients with clinical complete response (cCR) after multimodal treatment for locally…”
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Transient Ischemic Rectitis as a Potential Complication after Prostatic Artery Embolization: Case Report and Review of the Literature by Moreira, Airton Mota, Marques, Carlos Frederico Sparapan, Antunes, Alberto Azoubel, Nahas, Caio Sergio Rizkallah, Nahas, Sérgio Carlos, de Gregorio Ariza, Miguel Ángel, Carnevale, Francisco Cesar

“…Prostatic artery embolization (PAE) is an alternative treatment for benign prostatic hyperplasia. Complications are primarily related to non-target…”
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MRI-based radiomic score increased mrTRG accuracy in predicting rectal cancer response to neoadjuvant therapy by Miranda, Joao, Horvat, Natally, Assuncao, Antonildes N., de M. Machado, Felipe Augusto, Chakraborty, Jayasree, Pandini, Rafael Vaz, Saraiva, Samya, Nahas, Caio Sergio Rizkallah, Nahas, Sergio Carlos, Nomura, Cesar Higa

“…Purpose To develop a magnetic resonance imaging (MRI)-based radiomics score, i.e., “rad-score,” and to investigate the performance of rad-score alone and…”
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Reply letter to: “Lymph node harvest in rectal cancer patients with good tumor regression grade following neoadjuvant chemoradiotherapy by Bustamante-Lopez, Leonardo, Nahas, Caio S., Nahas, Sergio C.

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Is it Safe to Perform Elective Colorectal Surgical Procedures during the COVID-19 Pandemic? A Single Institution Experience with 103 Patients by Sobrado, Lucas Faraco, Nahas, Caio Sergio Rizkallah, Marques, Carlos Frederico Sparapan, Cotti, Guilherme Cutait de Castro, Imperiale, Antônio Rocco, Averbach, Pedro, Meira, José Donizeti de, Horvat, Natally, Ribeiro-Júnior, Ulysses, Cecconello, Ivan, Nahas, Sergio Carlos

“…Since the outbreak of the novel coronavirus disease 2019 (COVID-19), all health services worldwide underwent profound changes, leading to the suspension of…”
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Postoperative complications in the treatment of rectal neoplasia by transanal endoscopic microsurgery: a prospective study of risk factors and time course by Marques, Carlos Frederico S., Nahas, Caio Sergio R., Ribeiro, Ulysses, Bustamante, Leonardo A., Pinto, Rodrigo Ambar, Mory, Eduardo Kenzo, Cecconello, Ivan, Nahas, Sergio Carlos

“…Purpose Transanal endoscopic microsurgery (TEM) is a safe and efficient minimally invasive treatment for rectal benign and early malignant neoplasia, but…”
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Screening Anal Dysplasia in HIV-Infected Patients: Is There an Agreement Between Anal Pap Smear and High-Resolution Anoscopy-Guided Biopsy? by Nahas, Caio S.R, da Silva Filho, Edesio V, Segurado, Aluisio A.C, Genevcius, Raphael F.F, Gerhard, Renê, Gutierrez, Eliana B, Marques, Carlos F.S, Cecconello, Ivan, Nahas, Sergio C

“…PURPOSE:The purpose of this study was to analyze the agreement between anal Pap smear and high-resolution anoscopy-guided biopsy in diagnosing anal dysplasia…”
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Endoscopic radial incision and cutting procedure for a colorectal anastomotic stricture by Kawaguti, Fabio Shiguehissa, MD, da Costa Martins, Bruno, MD, Nahas, Caio Sergio Rizkallah, MD, Marques, Carlos Frederico Sparapan, MD, Ribeiro, Ulysses, MD, PhD, Nahas, Sergio Carlos, MD, PhD, Maluf-Filho, Fauze, MD, PhD

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Outcomes of Immediate Internal Pudendal Artery Perforator Flap Reconstruction for Irradiated Abdominoperineal Resection Defects by Coltro, Pedro S, Busnardo, Fábio F, Mônaco Filho, Franklin C, Olivan, Marcelo V, Millan, Lincoln S, Grillo, Victor A, Marques, Carlos F, Nahas, Caio S, Nahas, Sérgio C, Ribeiro, Ulysses, Gemperli, Rolf

“…BACKGROUND:There are many previous reports for using the internal pudendal artery perforator flap in vulvovaginal reconstruction; however, reports of this flap…”
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