PubMed

Early gallbladder cancer: is further treatment necessary?

de Aretxabala X, Roa I, Hepp J, Maluenda F, Mordojovich G, Leon J, Roa JC.

J Surg Oncol. 2009 Dec 1;100(7):589-93.PMID: 19722228 [PubMed - indexed for MEDLINE]Related articles

Gallbladder cancer: a morphological and molecular update.

Goldin RD, Roa JC.

Histopathology. 2009 Aug;55(2):218-29. Epub 2009 Mar 12. Review.PMID: 19490172 [PubMed - indexed for MEDLINE]Related articles

[Prevalence of human papillomavirus genital infection among male university students]

Guzmán P, Ili C, Rifo P, Briceño G, Araya J, Villaseca M, Roa JC.

Rev Med Chil. 2008 Nov;136(11):1381-9. Spanish. PMID: 19301768 [PubMed - indexed for MEDLINE]Related articles

HPV genotyping from invasive cervical cancer in Chile.

Roa JC, Garcia P, Gomez J, Fernández W, Gaete F, Espinoza A, Lepetic A, Suarez E.

Int J Gynaecol Obstet. 2009 May;105(2):150-3. Epub 2009 Feb 26.PMID: 19249046 [PubMed - indexed for MEDLINE]Related articles

[Surface enhanced laser desorption/ionization (SELDI): proteomics technology and its application in oncology]

Espejel F, Roa JC.

Med Clin (Barc). 2008 Sep 13;131(8):312-7. Review. Spanish. PMID: 18803927 [PubMed - indexed for MEDLINE]Related articles

Promoter methylation profile in preneoplastic and neoplastic gallbladder lesions.

García P, Manterola C, Araya JC, Villaseca M, Guzmán P, Sanhueza A, Thomas M, Alvarez H, Roa JC.

Mol Carcinog. 2009 Jan;48(1):79-89.PMID: 18543280 [PubMed - indexed for MEDLINE]Related articles

Serial analysis of gene expression identifies connective tissue growth factor expression as a prognostic biomarker in gallbladder cancer.

Alvarez H, Corvalan A, Roa JC, Argani P, Murillo F, Edwards J, Beaty R, Feldmann G, Hong SM, Mullendore M, Roa I, Ibañez L, Pimentel F, Diaz A, Riggins GJ, Maitra A.

Clin Cancer Res. 2008 May 1;14(9):2631-8.PMID: 18451226 [PubMed - indexed for MEDLINE]Related articlesFree article

Description of Echinococcus granulosus genotypes in human hydatidosis in a region of southern Chile.

Manterola C, Benavente F, Melo A, Vial M, Roa JC.

Parasitol Int. 2008 Sep;57(3):342-6. Epub 2008 Mar 4.PMID: 18434242 [PubMed - indexed for MEDLINE]Related articles

HER Receptor Family: Novel Candidate for Targeted Therapy for Gallbladder and Extrahepatic Bile Duct Cancer.

Kawamoto T, Krishnamurthy S, Tarco E, Trivedi S, Wistuba II, Li D, Roa I, Roa JC, Thomas MB.

Gastrointest Cancer Res. 2007 Nov;1(6):221-7.PMID: 19262900 [PubMed - in process]Related articlesFree article

[Hepatocarcinoma with sarcomatoid transformation: case report]

Losada M H, Roa JC, García M D, Araya JC, Burgos Sj L, Silva A J.

Rev Med Chil. 2007 Jun;135(6):768-72. Epub 2007 Aug 22. Spanish. PMID: 17728904 [PubMed - indexed for MEDLINE]Related articlesFree article

Chemoradiotherapy in gallbladder cancer.

de Aretxabala X, Roa I, Berrios M, Hepp J, Gallardo J, Cordova A, Roa JC, Leon J, Maluenda F.

J Surg Oncol. 2006 Jun 15;93(8):699-704. Review.PMID: 16724351 [PubMed - indexed for MEDLINE]Related articles

Prognostic factors of phyllodes tumor of the breast.

Roa JC, Tapia O, Carrasco P, Contreras E, Araya JC, Muñoz S, Roa I.

Pathol Int. 2006 Jun;56(6):309-14.PMID: 16704494 [PubMed - indexed for MEDLINE]Related articles

Promoter methylation profile in gallbladder cancer.

Roa JC, Anabalón L, Roa I, Melo A, Araya JC, Tapia O, de Aretxabala X, Muñoz S, Schneider B.

J Gastroenterol. 2006 Mar;41(3):269-75.PMID: 16699861 [PubMed - indexed for MEDLINE]Related articles

[Genetic methylation in carcinogenesis and its application in clinical oncology]

Roa JC.

Med Clin (Barc). 2006 Apr 1;126(12):455-6. Spanish. No abstract available. PMID: 16620732 [PubMed - indexed for MEDLINE]Related articles

Gallbladder cancer: an analysis of a series of 139 patients with invasion restricted to the subserosal layer.

de Aretxabala X, Roa I, Burgos L, Losada H, Roa JC, Mora J, Hepp J, Leon J, Maluenda F.

J Gastrointest Surg. 2006 Feb;10(2):186-92.PMID: 16455449 [PubMed - indexed for MEDLINE]Related articles

[Frequency of K-ras mutation in biliary and pancreatic tumors]

Roa JC, Anabalón L, Tapia O, Melo A, de Aretxabala X, Roa I.

Rev Med Chil. 2005 Dec;133(12):1434-40. Epub 2006 Jan 27. Spanish. PMID: 16446870 [PubMed - indexed for MEDLINE]Related articlesFree article

[Promoter methylation profile in gastric cancer]

Roa JC, Anabalón L, Roa I, Tapia O, Melo A, Villaseca M, Araya JC.

Rev Med Chil. 2005 Aug;133(8):874-80. Epub 2005 Sep 8. Spanish. PMID: 16163424 [PubMed - indexed for MEDLINE]Related articlesFree article

[Detection of human papilloma virus in cytologic samples or biopsies of the cervix]

Melo A, Roa I, Montenegro S, Capurro I, Roa JC.

Rev Med Chil. 2005 Jun;133(6):639-44. Epub 2005 Jul 22. Spanish. PMID: 16075126 [PubMed - indexed for MEDLINE]Related articlesFree article

[Detection of bone marrow micrometastases in patients with gallbladder cancer]

Roa JC, Aretxabala X, Melo A, Faría G, Araya JC, Villaseca MA, Guzmán P, Roa I.

Rev Med Chil. 2004 Dec;132(12):1489-98. Spanish. PMID: 15743160 [PubMed - indexed for MEDLINE]Related articlesFree article

[Inactivation of CDKN2A gene (p16) in gallbladder carcinoma]

Roa JC, Vo Q, Araya JC, Villaseca M, Guzmán P, Ibacache GS, de Aretxabala X, Roa I.

Rev Med Chil. 2004 Nov;132(11):1369-76. Spanish. PMID: 15693199 [PubMed - indexed for MEDLINE]Related articles

[Association between Helicobacter pylori genotype and the severity of gastritis in infected adults]

Araya JC, Anabalón L, Roá I, Bravo M, Villaseca MA, Guzmán P, Roa JC.

Rev Med Chil. 2004 Nov;132(11):1345-54. Spanish. PMID: 15693196 [PubMed - indexed for MEDLINE]Related articles

Microsatellite instability in preneoplastic and neoplastic lesions of the gallbladder.

Roa JC, Roa I, Correa P, Vo Q, Araya JC, Villaseca M, Guzmán P, Schneider BG.

J Gastroenterol. 2005 Jan;40(1):79-86.PMID: 15692793 [PubMed - indexed for MEDLINE]Related articles

[Promoter methylation profile in breast cancer]

Roa JC, Anabalón L, Tapia O, Martínez J, Araya JC, Villaseca M, Guzmán P, Roa I.

Rev Med Chil. 2004 Sep;132(9):1069-77. Spanish. PMID: 15543763 [PubMed - indexed for MEDLINE]Related articles

[K-ras gene mutation in gallbladder carcinoma]

Roa JC, Roa I, de Aretxabala X, Melo A, Faría G, Tapia O.

Rev Med Chil. 2004 Aug;132(8):955-60. Spanish. PMID: 15478297 [PubMed - indexed for MEDLINE]Related articles

[Management of gallbladder cancer with invasion of the muscular layer]

de Aretxabala X, Roa I, Mora J, Pincheira O, Burgos L, Silva J, Roa JC.

Rev Med Chil. 2004 Feb;132(2):183-8. Spanish. PMID: 15449554 [PubMed - indexed for MEDLINE]Related articles

[Neoadjuvant chemoradiotherapy in gallbladder cancer]

de Aretxabala X, Losada H, Mora J, Roa I, Burgos L, Yáñez E, Quijada I, Roa JC.

Rev Med Chil. 2004 Jan;132(1):51-7. Spanish. PMID: 15379053 [PubMed - indexed for MEDLINE]Related articles

[Human papilloma virus (HPV) typing in preneoplastic and neoplastic lesions of the uterine cervix in the IX region-Chile]

Melo A, Montenegro S, Hooper T, Capurro I, Roa JC, Roa I.

Rev Med Chil. 2003 Dec;131(12):1382-90. Spanish. PMID: 15022400 [PubMed - indexed for MEDLINE]Related articles

[Genetic changes in chronic gastritis: study of microsatellite instability and loss of heterozygosity]

Roa JC, Villaseca MA, Roa I, Araya JC.

Rev Med Chil. 2003 Dec;131(12):1365-74. Spanish. PMID: 15022398 [PubMed - indexed for MEDLINE]Related articles

[Microsatellite instability and loss of heterozygosity in neoplastic and preneoplastic gastric lesions]

Roa JC, Araya JC, Villaseca MA, Roa I, Correa P.

Rev Med Chil. 2003 Nov;131(11):1227-36. Spanish. PMID: 14743682 [PubMed - indexed for MEDLINE]Related articles

HFE gene mutations in Chile.

Wohllk N, Zapata R, Acuña M, Reyes H, Navarro A, Roa I, Roa JC.

Ann Intern Med. 2003 Oct 21;139(8):708-9. No abstract available. PMID: 14568872 [PubMed - indexed for MEDLINE]Related articlesFree article

[Reversion of hypophosphatemia after the excision of a composite hemangioendothelioma in the great toe]

Sapunar J, Roa JC, Moscoso S.

Rev Med Chil. 2003 Aug;131(8):909-14. Spanish. PMID: 14558246 [PubMed - indexed for MEDLINE]Related articles

[Primary hyperthyroidism after excision of a Struma ovarii]

Sapunar J, Roa JC, Meissner A.

Rev Med Chil. 2003 Jul;131(7):785-7. Spanish. PMID: 14513700 [PubMed - indexed for MEDLINE]Related articles

[Point mutation of TP53 suppressor gene in pre-neoplastic and neoplastic lesions of the stomach]

Araya JC, Roa JC, Villaseca MA, Roa I, Guzmán P, Alvarado C, Melo A.

Rev Med Chil. 2003 Apr;131(4):359-65. Spanish. PMID: 12870229 [PubMed - indexed for MEDLINE]Related articles

[Detection of BCR-ABL gene sequences using RT-PCR in patients with leukemia in the IX region. Chile]

Artigas CG, Melo A, Roa JC, Páez E, Vittini C, Arriagada M, González L, Pflaumer E, Roa I.

Rev Med Chil. 2002 Jun;130(6):623-30. Spanish. PMID: 12194684 [PubMed - indexed for MEDLINE]Related articles

[p53 gene mutation in cancer of the colon and rectum]

Roa JC, Roa I, Melo A, Araya JC, Villaseca MA, Flores M, Schneider B.

Rev Med Chil. 2000 Sep;128(9):996-1004. Spanish. PMID: 11349504 [PubMed - indexed for MEDLINE]Related articles

[P53 tumor suppressor gene in digestive neoplasms]

Roa JC, Roa I, Araya JC, Villaseca MA, Melo A, Burgos L.

Rev Med Chil. 2000 Nov;128(11):1269-78. Review. Spanish. PMID: 11347516 [PubMed - indexed for MEDLINE]Related articles

Microsatellite instability, prognosis and metastasis in gastric cancers from a low-risk population.

Schneider BG, Bravo JC, Roa JC, Roa I, Kim MC, Lee KM, Plaisance KT Jr, McBride CM, Mera R.

Int J Cancer. 2000 Sep 20;89(5):444-52.PMID: 11008207 [PubMed - indexed for MEDLINE]Related articles

[Gastric cancer and tumor growth regulation. Study of cell proliferation markers and protein complex p53/p21WAF1/CIP1/mdm-2]

Villaseca M, Araya JC, Roa I, Roa JC.

Rev Med Chil. 2000 Feb;128(2):127-36. Spanish. PMID: 10962880 [PubMed - indexed for MEDLINE]Related articles

[Helicobacter pylori and chronic gastritis: relationship between infection and inflammatory activity in a high risk population for gastric cancer]

Araya JC, Villaseca MA, Roa I, Roa JC.

Rev Med Chil. 2000 Mar;128(3):259-65. Spanish. PMID: 10962866 [PubMed - indexed for MEDLINE]Related articles

[Chronic sclerosing non-specific sialadenitis of the submandibular gland (Küttner tumor). Report of one case]

Yáñez M, Roa I, Roa JC, Villaseca M, García M.

Rev Med Chil. 1999 May;127(5):600-3. Spanish. PMID: 10451631 [PubMed - indexed for MEDLINE]Related articles

Histologic sectioning produces TUNEL reactivity. A potential cause of false-positive staining.

Sloop GD, Roa JC, Delgado AG, Balart JT, Hines MO 3rd, Hill JM.

Arch Pathol Lab Med. 1999 Jun;123(6):529-32.PMID: 10383807 [PubMed - indexed for MEDLINE]Related articles

Peritoneal pseudomyxoma in a child with a gallbladder Peutz-Jeghers-like hamartomatous polyp: a case report.

Guzmán P, Roa I, Villaseca M, Roa JC, Araya JC.

J Pediatr Surg. 1998 Aug;33(8):1320-2.PMID: 9722016 [PubMed - indexed for MEDLINE]Related articles

[Tumor invasion in gallbladder cancer. Importance of blood vascular tumor infiltration diagnosis]

Roa I, Guzmán P, Araya JC, Villaseca M, Roa JC, Ibacache G, de Aretxabala X, García M.

Rev Med Chil. 1998 Jan;126(1):42-8. Spanish. PMID: 9629753 [PubMed - indexed for MEDLINE]Related articles

Double immunostaining for p53 and molecular chaperone hsp72/73 in gastric carcinoma.

Villaseca MA, Roa I, Araya JC, Roa JC, Flores P.

Mol Pathol. 1997 Dec;50(6):317-21.PMID: 9536282 [PubMed - indexed for MEDLINE]Related articlesFree article

[Immunohistochemical expression of p53 oncoprotein in large bowel adenomas and carcinomas]

Roa JC, Villaseca MA, Roa I, Araya JC, Okayasu I, Flores P, Flores M.

Rev Med Chil. 1997 May;125(5):523-9. Spanish. PMID: 9497572 [PubMed - indexed for MEDLINE]Related articles

[Breast cancer: comparison between biochemical and immunohistochemical determination of estrogen receptors]

Roa JC, Baeza R, Romeo E, Andrade L, Foradori A, González S.

Rev Med Chil. 1996 Mar;124(3):307-12. Spanish. PMID: 9008942 [PubMed - indexed for MEDLINE]Related articles

[Gallbladder cancer: immunohistochemical expression of the protein related to estrogen receptor (p29) and of the protein induced by estrogen (pS2)]

Roa I, Araya JC, Villaseca M, de Artxabala X, Ferreira A, Roa JC.

Rev Med Chil. 1995 Nov;123(11):1333-40. Spanish. PMID: 8733275 [PubMed - indexed for MEDLINE]Related articles

Gallbladder cancer in patients less than 40 years old.

De Aretxabala X, Roa I, Araya JC, Burgos L, Flores P, Wistuba I, Villaseca MA, Sotomayor F, Roa JC.

Br J Surg. 1994 Jan;81(1):111. No abstract available. PMID: 8313082 [PubMed - indexed for MEDLINE]Related articles

[Atypical endometrial hyperplasia: characteristics of histopathological diagnosis in curettings]

Roa JC, Chuaqui R, Le Cerf P.

Rev Chil Obstet Ginecol. 1993;58(5):388-92. Spanish. PMID: 7991860 [PubMed - indexed for MEDLINE]Related articles

[Study and application of the DNA pattern in oncology]

de Aretxabala X, Roa I, Araya JC, Roa JC.

Rev Med Chil. 1989 Sep;117(9):1044-8. Review. Spanish. PMID: 2519471 [PubMed - indexed for MEDLINE]Related articles