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R. Patzina · SciRah

Researcher profile · Semantic Scholar

R. Patzina

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R. Patzina — researcher profile on SciRah

h-index: 15
Works: 52
Citations: 530

Most-cited papers

Lymph Node Involvement and Not the Histophatologic Subtype Is Correlated with Outcome After Resection of Adenocarcinoma of the Ampulla of Vater
L. B. de Paiva Haddad, R. Patzina, S. Penteado, A. Montagnini +3 more
2010Journal of Gastrointestinal Surgery64 citations
Semantic Scholar
Clinical and pathologic prognostic factors for curative resection for pancreatic cancer.
Marcos Vinicius Perini, A. Montagnini, J. Jukemura, S. Penteado +4 more
2008HPB47 citations Open access
Semantic Scholar
A spectrum of histopathologic findings in autoimmune liver disease.
L. Terracciano, R. Patzina, F. Lehmann, L. Tornillo +4 more
2000American Journal of Clinical Pathology36 citations
Semantic Scholar
Local and Systemic Effects of Hypertonic Solution (NaCl 7.5%) in Experimental Acute Pancreatitis
M. Machado, A. M. Coelho, V. Pontieri, S. Sampietre +6 more
2006Pancreas34 citations
Semantic Scholar
Paradoxical reaction to treatment in 2 patients with severe acute paracoccidioidomycosis: a previously unreported complication and its management with corticosteroids.
R. Gryschek, R. Pereira, A. Kono, R. Patzina +3 more
2010Clinical Infectious Diseases32 citations Open access
Semantic Scholar
Inhibition of cyclooxygenase-2 in experimental severe acute pancreatitis.
J. L. D. de Almeida, J. Jukemura, A. M. Coelho, R. Patzina +2 more
2006Clinics31 citations Open access
Semantic Scholar
Serpin Peptidase Inhibitor Clade A Member 1 as a Potential Marker for Malignancy in Insulinomas
Sandra Valéria de Sá, M. L. Côrrea-Giannella, M. Machado, K. Krogh +8 more
2007Clinical Cancer Research30 citations
Semantic Scholar
Unusual Clinical Presentation of Annular Pancreas in the Adult
J. E. Cunha, M. D. de Lima, J. Jukemura, S. Penteado +3 more
2005Pancreatology (Print)28 citations
Semantic Scholar
Mechanisms of the Beneficial Effect of Hypertonic Saline Solution in Acute Pancreatitis
Ana Maria Mendonça Coelho, J. Jukemura, S. Sampietre, J. Martins +7 more
2010Shock24 citations
Semantic Scholar
Trisulfate Disaccharide Decreases Calcium Overload and Protects Liver Injury Secondary to Liver Ischemia/Reperfusion
E. Vasques, J. E. Cunha, A. M. Coelho, S. Sampietre +9 more
2016PLoS ONE23 citations Open access
Semantic Scholar
Beneficial effects of adenosine triphosphate-sensitive K+ channel opener on liver ischemia/reperfusion injury.
M. A. Nogueira, A. M. Coelho, S. Sampietre, R. Patzina +3 more
2014World Journal of Gastroenterology23 citations Open access
Semantic Scholar
CO2 Abdominal Insufflation Decreases Local and Systemic Inflammatory Response in Experimental Acute Pancreatitis
M. Machado, A. M. Coelho, J. Martins, S. Sampietre +4 more
2010Pancreas20 citations
Semantic Scholar
Do the Effects of Pentoxifylline on the Inflammatory Process and Pancreatic Infection Justify Its Use in Acute Pancreatitis?
A. Matheus, A. M. Coelho, S. Sampietre, J. Jukemura +3 more
2009Pancreatology (Print)17 citations
Semantic Scholar
Prognostic significance of epidermal growth factor receptor overexpression in pancreas cancer and nodal metastasis
Marcos Vinicius Perini, A. Montagnini, R. Coudry, R. Patzina +5 more
2015ANZ journal of surgery16 citations
Semantic Scholar
Biliary tract schwannoma: a rare cause of obstructive jaundice in a young patient.
G. M. Fonseca, A. Montagnini, M. de Souza Rocha, R. Patzina +3 more
2012World Journal of Gastroenterology15 citations
Semantic Scholar
Effect of inhibition of prostaglandin E2 production on pancreatic infection in experimental acute pancreatitis.
A. Matheus, A. M. Coelho, S. Sampietre, R. Patzina +3 more
2007HPB15 citations Open access
Semantic Scholar
Mechanisms of the beneficial effect of sevoflurane in liver ischemia/reperfusion injury.
Fernanda Paula Cavalcante, A. M. Coelho, M. Machado, S. Sampietre +4 more
2015Acta Cirurgica Brasileira14 citations Open access
Semantic Scholar
Synchronous Adenocarcinoma of the Major and Minor Duodenal Papilla
A. Matheus, J. Jukemura, A. Montagnini, T. Kunitake +2 more
2008Journal of Gastrointestinal Surgery14 citations
Semantic Scholar
Effects of intravenous administration of pentoxifylline in pancreatic ischaemia-reperfusion injury.
Edmond Raymond Le Campion, J. Jukemura, A. M. Coelho, R. Patzina +1 more
2013HPB10 citations Open access
Semantic Scholar
Is there a therapeutic window for pentoxifylline after the onset of acute pancreatitis?
A. M. Coelho, T. Kunitake, M. Machado, J. Martins +3 more
2012Acta Cirurgica Brasileira10 citations Open access
Semantic Scholar
Evaluation of microvessel density and p53 expression in pancreatic adenocarcinoma
R. Jureidini, J. E. Monteiro da Cunha, F. Takeda, G. Namur +6 more
2016Clinics9 citations Open access
Semantic Scholar
Molecular and Standard Approaches to the Diagnosis of Mycobacterial Granulomatous Lymphadenitis in Paraffin-Embedded Tissue
R. Patzina, H. D. de Andrade, T. D. de Brito, H. Caiaffa +5 more
2002Laboratory Investigation4 citations Open access
Semantic Scholar
Nitric oxide synthase inhibition reduces albumin induced lung damage in acute pancreatitis.
E. Abdo, A. M. Coelho, R. Patzina, S. Sampietre +3 more
2013Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]3 citations
Semantic Scholar
Histological response study of chronic viral hepatitis C patients treated with interferon alone or combined with ribavirin.
K. Prado, R. Patzina, D. Bergamaschi, R. Focaccia
2008Brazilian Journal of Infectious Diseases3 citations Open access
Semantic Scholar
Can COVID-19 impact the natural history of paracoccidioidomycosis? Insights from an atypical chronic form of the mycosis
Cesar A. S. de Souza, C. C. Ponce, G. B. Klautau, A. Costa +4 more
2023Revista do Instituto de Medicina Tropical de São Paulo2 citations Open access
Semantic Scholar
Effect of hyperthermia on experimental acute pancreatitis.
J. L. D. de Almeida, J. Jukemura, R. Patzina, N. Molan +4 more
2004Arquivos de Gastroenterologia2 citations Open access
Semantic Scholar
Disseminated Kaposi Sarcoma Associated With Cytomegalovirus Proctitis in People Living With Human Immunodeficiency Virus (PLHIV): A Major Diagnostic Dilemma
Rodrigo Portella, C. C. Ponce, R. Patzina, J. Ardengh +1 more
2023Cureus1 citations Open access
Semantic Scholar
Su1952 TH17 Pathway Promotes Mucosal Host Defense Against Esophageal Candidiasis in HIV-Infected Patients
A. L. Werneck-Silva, C. Pagliari, R. Patzina, Wellington F. da Silva +2 more
20141 citations Open access
Semantic Scholar
W1836 Reduction of Local Inflammatory Response On Acute Pancreatitis in Rats: Effects of a Hypertonic Saline Solution
A. M. Coelho, J. Jukemura, S. Sampietre, N. Molan +4 more
20081 citations
Semantic Scholar
Two Cases of Intestinal Tuberculosis With Severe and Fatal Gastrointestinal Bleeding: Is the Indication for Intravenous Therapy Essential?
Vitor C. Pereira Machado, N. A. Weidebach, Richard Calanca, Igor G. Oviedo Garcia +3 more
2025Cureus0 citations Open access
Semantic Scholar
Lymph Node Penetration From Gastric Burkitt Lymphoma in a Patient Living With HIV/AIDS
R. J. Razera, Ronaldo Modesto de Souza-Filho, R. Patzina, J. Ardengh +1 more
2024Cureus0 citations Open access
Semantic Scholar
Atypical presentation of cutaneous leishmaniasis in a pregnant woman
Mariana Lanna Magalhães, Daniela Costa Anastácio, L. D. de Almeida, R. Patzina +1 more
2024Infectologia em Evidência0 citations Open access
Semantic Scholar
Follow-Up of Esophageal Eosinophilia in Children with Cow's Milk Allergy
B. Aquilante, A. Pastorino, M. Dorna, G. Yonamine +4 more
2024Journal of Allergy and Clinical Immunology0 citations
Semantic Scholar
The importance of follow‐up of esophageal eosinophilia in children with severe cow's milk allergy
B. Aquilante, R. Patzina, S. Cardoso, A. Pastorino +4 more
2024Pediatric Allergy and Immunology0 citations
Semantic Scholar
Duodenal Leishmaniasis Mimicking Celiac Disease in HIV Patient: A Case Report and Literature Review
José Vitor Santos-Oliveira, G. Vanin, R. Patzina, Richard Calanca +1 more
2024Cureus0 citations Open access
Semantic Scholar
Kaposi sarcoma facilitates the diagnosis of Castleman disease in a patient living with HIV
F. O. Silva, C. C. Ponce, R. Patzina, Edgar de Bortholi Santos
2023Infectologia em Evidência0 citations Open access
Semantic Scholar
Primary Hepatic Burkitt Lymphoma
João Kleber de Almeida Gentile, B. Renesto, L. F. Miléo, A. D. de Oliveira +3 more
2023Brazilian Journal of Case Reports0 citations Open access
Semantic Scholar
Sa1137: CHRONIC ATROPHIC GASTRITIS AND INTESTINAL METAPLASIA ARE NOT COMMON IN LONG-LIVING HIV+ PATIENTS
A. L. Werneck-Silva, A. Rossini, R. Patzina, Claudio L. Hashimoto
2022Gastroenterology0 citations
Semantic Scholar
MON-264 Pleotropic Clinical Presentation in Two Brazilians Patients with Confirmed IgG4-Related Hypophysitis
R. D. de Oliveira, Pedro Gomes de Vasconcelos Silva, Daniel Bortolin Muller, S. A. Siqueira +5 more
2020Journal of the Endocrine Society0 citations Open access
Semantic Scholar
Trisulfate disaccharide protects liver injury secondary to liver ischemia/reperfusion
E. Vasques, J. E. Cunha, A. M. Coelho, S. Sampietre +7 more
20160 citations Open access
Semantic Scholar
Trisulfated disaccharide decreases intracellular calcium in hepatocytes under calcium overload
E. Vasques, J. E. Cunha, A. M. Coelho, S. Sampietre +7 more
20160 citations Open access
Semantic Scholar
Mo1837 Beneficial Effects of Diazoxide on Hepatic Ischemia/Reperfusion Injury
M. A. Nogueira, A. M. Coelho, S. Sampietre, N. Molan +3 more
20130 citations Open access
Semantic Scholar
Su2127 Wild Homozygous VEGF-A and COX-2 Gene Polymorphisms Are Associated to Worst Prognosis in Patients With Colorectal Cancer (CRC)
M. Tomitão, Guilherme Cutait de Castro Cotti, M. Kubrusly, Evelise Pelegrinelli-Zaidan +6 more
20130 citations Open access
Semantic Scholar
Albumin Administration in Acute Pancreatitis Increases Lung and Pancreatic Damage Reversed by Nitric Oxide Synthase Inhibitor
E. Abdo, A. M. Coelho, S. Sampietre, N. Molan +4 more
20110 citations Open access
Semantic Scholar
T1948 Further Insights on the Mechanisms of the Beneficial Effect of Hypertonic Saline Solution in Acute Pancreatitis
A. M. Coelho, J. Jukemura, S. Sampietre, J. Martins +7 more
20100 citations
Semantic Scholar
S2022 A Most Valuable Immunohistochemical Panel for Intestinal and Pancreatobiliary Classification in Carcinoma of the Ampulla of Vater
L. B. de Paiva Haddad, J. L. D. de Almeida, R. Patzina, J. E. Monteiro da Cunha +3 more
20090 citations
Semantic Scholar
Reduction of local inflammatory response on acute pancreatitis in rats: effects of a hypertonic saline solution
A. M. Coelho, J. Jukemura, S. Sampietre, N. Molan +4 more
20080 citations Open access
Semantic Scholar
Expression profile of genes belonging to trypsin/chymotrysin and serine-type endopeptidase inhibitior activity pathways in insulinomas
Sandra Valéria de Sá, M. Giannella, M. C. Machado, K. Krogh +9 more
20060 citations
Semantic Scholar
SERPINA1 (ALPHA-1-ANTITRYPSIN) AS A POTENTIAL MARKER FOR MALIGNANCY OF INSULINOMAS
Sandra Valéria de Sá, M. L. Côrrea-Giannella, M. C. C. Machado, K. Krogh +8 more
20060 citations
Semantic Scholar
LAPSG Society News
J. Clark, Andrew Zhu, D. Rattner, J. Winkelmann +87 more
2005Pancreatology (Print)0 citations
Semantic Scholar

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A. M. Coelho×19
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A. M. Coelho — researcher profile on SciRah
J. Jukemura×17
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J. Jukemura — researcher profile on SciRah
S. Sampietre×17
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S. Sampietre — researcher profile on SciRah
M. Machado×15
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M. Machado — researcher profile on SciRah

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J. E. Cunha — researcher profile on SciRah

L. D'Albuquerque×10

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N. Molan — researcher profile on SciRah

J. E. Monteiro da Cunha×8

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S. Penteado — researcher profile on SciRah

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E. Abdo — researcher profile on SciRah

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C. C. Ponce — researcher profile on SciRah

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