Los sitios metastáticos mas frecuentes del melanoma maligno cutáneo son pulmones, hígado y encéfalo. Las metástasis intestinales por melanoma son raras siendo el intestino delgado el lugar mas afectado, por lo que su diagnóstico es difícil preoperatoriamente, junto con una clínica por lo general anodina, pudiendo presentarse como un cuadro anémico crónico, oclusivo o de perforación, por lo que suele diagnosticarse en el acto operatorio. Presentamos 2 casos de metástasis digestivas en pacientes intervenidos de melanoma maligno cutáneo que debutaron respectivamente con metástasis en duodeno y en ileon terminal. Este último reintervenido por metástasis mesentérica, muy cercana de la resección anterior. Ambos están en este momento con tratamiento oncológico y con estudios de extensión dentro de la normalidad.
The most frequent metastasic sites of cutaneous malignant melanoma are lungs, liver and brain. Intestinal metastases by melanoma are rare. Most cases are located in small intestine, and its preoperative diagnosis is often difficult. Clinical symptoms are often anodyne, frequently appearing as a chronic, occlusive or anemic syndrome, or as a perforation, and to a late diagnosis after surgery. We report here 2 cases of digestive metastases of cutaneous malignant melanoma in duodenum and terminal ileum. The most frequent metastasic sites of cutaneous malignant melanoma are lungs, liver and brain.
Intestinal metastases by melanoma are rare. Most cases are located in small intestine, and its preoperative diagnosis is often difficult. Clinical symptoms are often anodyne, frequently appearing as a chronic, occlusive or anemic síndrome, or as a perforation, and to a late diagnosis after surgery. We report here 2 cases of digestive metastases of cutaneous malignant melanoma in duodenum and terminal ileum. This last one underwent further surgery for mesentheric metastasis in the vicinity of previous surgery. Both patients are at the moment on oncology treatment and extension studies have shown so far no further metastasis.
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