Image in medicine
Vanek's tumor: A differential diagnosis of colorectal cancer
Tumor de Vanek: diagnóstico diferencial con el cáncer colorrectal
Víctor Domínguez-Prieto
, Miguel León-Arellano, Héctor Guadalajara, Damián García-Olmo
Corresponding author
Surgery Department, Fundación Jiménez Díaz University Hospital, Avenida de los Reyes Católicos 2, 28040 Madrid, Spain
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A colonoscopy was performed, showing a big, pedicled, irregular and ulcerated neoplasm in ascending colon, with infiltrative appearance, suspicious for malignancy (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>(A)). Biopsies were taken, but no signs of malignancy were observed. CT scan showed the referred lesion occupying the entire right colon from the cecum to the hepatic flexure, with no signs of extracolonic extension (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>(B)).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0010" class="elsevierStylePara elsevierViewall">A laparoscopic right colectomy was performed due to the clinical suspicion of malignancy. Postoperative course was uneventful until patient discharge on the third postoperative day. Histopathologic analysis of the specimen confirmed the diagnosis of inflammatory fibroid polyp or Vanek's tumor, with no signs of malignancy.</p><p id="par0015" class="elsevierStylePara elsevierViewall">Endoscopic studies are essential for diagnosis of colorectal cancer, that represents the third most common malignancy in the world. Inflammatory fibroid polyp or Vanek's tumor is a rare, benign, mesenchymal lesion originated from the submucosa of the gastrointestinal tract, usually located in gastric antrum (66–75%), small intestine (18–20%) and rarely in colon or rectum (4–7%). Colorectal location has been seldom described in the literature, mainly as case reports.</p><p id="par0020" class="elsevierStylePara elsevierViewall">Given its similar endoscopic appearance, Vanek's tumor must be considered as a differential diagnosis for colorectal cancer.</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Ethics disclosure</span><p id="par0025" class="elsevierStylePara elsevierViewall">Local protocols for patient's data publication and privacy have been followed.</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Funding</span><p id="par0035" class="elsevierStylePara elsevierViewall">None.</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Conflict of interest</span><p id="par0030" class="elsevierStylePara elsevierViewall">None.</p></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:3 [ 0 => array:2 [ "identificador" => "sec0005" "titulo" => "Ethics disclosure" ] 1 => array:2 [ "identificador" => "sec0015" "titulo" => "Funding" ] 2 => array:2 [ "identificador" => "sec0010" "titulo" => "Conflict of interest" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "multimedia" => array:1 [ 0 => array:6 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1136 "Ancho" => 2675 "Tamanyo" => 388509 ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/00257753/0000016300000008/v1_202410210953/S0025775324001830/v1_202410210953/en/main.assets" "Apartado" => array:4 [ "identificador" => "64289" "tipo" => "SECCION" "es" => array:2 [ "titulo" => "Imágenes médicas" "idiomaDefecto" => true ] "idiomaDefecto" => "es" ] "PDF" => "https://static.elsevier.es/multimedia/00257753/0000016300000008/v1_202410210953/S0025775324001830/v1_202410210953/en/main.pdf?idApp=UINPBA00004N&text.app=https://www.elsevier.es/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0025775324001830?idApp=UINPBA00004N" ]
