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Utilidad de la cromoscopia virtual computarizada en la detección de lesiones planas colorectales / Computerized virtual chromoscopy utility in flat colorectal lesions
Páez, Rosela; Aure, Carmen; Romero, Adriana; Romero, Rafael.
  • Páez, Rosela; Centro Médico "Dr Rafael Guerra Méndez". Valencia. VE
  • Aure, Carmen; Centro Médico "Dr Rafael Guerra Méndez". Valencia. VE
  • Romero, Adriana; Ciudad Hospitalaria "Dr Enrique Tejera". Valencia. VE
  • Romero, Rafael; Centro Médico "Dr Rafael Guerra Méndez". Valencia. VE
GEN ; 67(2): 82-86, jun. 2013. ilus, graf, tab
Article in Spanish | LILACS | ID: lil-690966
RESUMEN
Las lesiones planas están asociadas con mayor frecuencia a la presencia de carcinoma invasor superficial. La magnificación endoscópica permite el análisis detallado de la superficie mucosa de lesiones sospechosas y predecir, por sus características morfológicas, si son lesiones benignas o malignas, permitiendo decidir conducta terapéutica al momento del estudio. Los tumores de diseminación lateral de colon y recto, son lesiones >10mm con bajo eje vertical extendidas lateralmente a lo largo de la pared luminal. Okamoto describe dos grupos tipo granular, endoscópicamente numerosos nódulos de color homogéneo en comparación con mucosa colónica circundante; tipo plano, lesiones con superficie plana en ausencia de formación de gránulos nodulares. Establecer utilidad de la cromoendoscopia virtual computarizada y magnificación (FICE) para la determinación de las lesiones detectadas en estudios de video colonoscopia; decidir en el momento del procedimiento, la conducta a seguir. Se utilizó el modelo de clasificación de Paris en las lesiones colorectales detectadas. Estudio retrospectivo y descriptivo en pacientes que acudieron a una consulta de centro privado, en el período Enero 2009-Marzo 2012, realizándoles video colonoscopia con FICE, con equipo Fujinon EPX-4400, por un mismo endoscopista. Se revisaron 1298 video colonoscopias, 269 casos con lesiones planas en colon de los cuales 17 (6.31%) fueron lesiones tipo II (diseminación lateral); 9 del sexo femenino (52.94%) y 8 masculino (47.05%); 7 fueron lesiones IIa no granular (41.17%), 7 IIa granular (41.17%), 2 IIc no granular (11.76%) y 1 IIc granular (5.88%). En relación a la ubicación 5 casos (29.41%), en transverso; 4 casos (23.52%) tuvieron resección endoscópica y 13 casos (76.47%) fueron referidos para resolución quirúrgica de los cuales, histológicamente 7 fueron tubulovellosos (41,18%) y 1 de estos presentó displasia de alto grado y los 6 restantes de bajo grado....
ABSTRACT
The flat lesions are associated with a high incidence of invasive superficial carcinoma; the endoscopic magnification allows a more detailed evaluation of the superficial lesions and can predict if they will be or not malignant, allowing to take a therapeutic decision at the moment of the videocolonoscopy. These tumours are lesions no more than 10 mm, whit a low vertical axis wich extents laterally along the lumen of the colon. Okamoto describes two groups Granular type Endoscopically are numerous nodules with the same color compared with the surrounding colonic mucosae; and the Flat type which are flat lesions without presence of nodules. To establish the utility of the virtual computerized chromoendoscopy and magnification (FICE)® in the evaluation of lesions detected in videocolonoscopies performed and in order to take a therapeutic decision. We used the Paris model for the classification of the colorectal lesions encountered at the time of the colonoscopy. We performed a retrospective and descriptive study in patients who evaluated in a private office between January 2009-March 2012, a videcolonoscopy with FICE® using a videocolonoscope Fujinon EPX 4400 ® all studies were performed by the same operator. 1298 videocolonoscopies were performed, 269 cases with flat lesions, 17 (6.31%) were lesions type II (lateral spread), 9 were females (52,94%) and 8 males (47,05%), 7 were lesions type IIa, non granular (41,17%), 7 IIa granular (41,17%), 2 IIc non granular (11,76%), and 1 IIc granular (5,88%), 5 cases (29,41%) were located in transverse colon, 4 (23,52%) were successfully removed endoscopically , and 13 (76,47) were referred for surgical treatment, in relation with the histopathology 7 were tubulovillous (41,18%), and 1 associated with high degree dysplasia and 6 low degree dysplasia. Our study demonstrates, the usefulness of the FICE® in the detection of flat lesions and permits obtain samples for biopsy and make therapeutic decisions
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Carcinoma / Colon / Colonography, Computed Tomographic Type of study: Evaluation studies / Observational study / Prognostic study Limits: Humans Language: Spanish Journal: GEN Year: 2013 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Centro Médico "Dr Rafael Guerra Méndez"/VE / Ciudad Hospitalaria "Dr Enrique Tejera"/VE

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Full text: Available Index: LILACS (Americas) Main subject: Carcinoma / Colon / Colonography, Computed Tomographic Type of study: Evaluation studies / Observational study / Prognostic study Limits: Humans Language: Spanish Journal: GEN Year: 2013 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Centro Médico "Dr Rafael Guerra Méndez"/VE / Ciudad Hospitalaria "Dr Enrique Tejera"/VE