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Extraskeletal myxoid chondrosarcoma metastasis to a Meckel's diverticulum adenocarcinoma / Metástasis de condrosarcoma mixoide extraesquelético a un adenocarcinoma de divertículo de Meckel
Martins Gama, João; Caetano Oliveira, Rui; Fonseca, Rúben; Cipriano, Maria Augusta; Casanova, José.
Affiliation
  • Martins Gama, João; Pathology Department. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal
  • Caetano Oliveira, Rui; Pathology Department. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal
  • Fonseca, Rúben; Pathology Department. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal
  • Cipriano, Maria Augusta; Pathology Department. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal
  • Casanova, José; Coimbra Institute for Clinical and Biomedical Research Area of Environment Genetics and Oncobiology. Faculty of Medicine. University of Coimbra. Coimbra. Portugal
Rev. esp. patol ; 57(2): 141-145, Abr-Jun, 2024. ilus
Article in English | IBECS | ID: ibc-232421
Responsible library: ES1.1
Localization: ES15.1 - BNCS
ABSTRACT
Extraskeletal myxoid chondrosarcoma is a rare soft tissue tumour with a high local and distant metastasis rate and limited response to chemotherapy. Meckel's diverticulum is the most frequent congenital anomaly, and it is associated with a considerable risk of malignant transformation. In this case report, we describe a 50-year-old female patient with a history of extraskeletal myxoid chondrosarcoma of the lower limb and metastasis to the forearm who went to the emergency department with abdominal pain. The investigations revealed a caecal volvulus. A lesion in the middle third of the ileum was incidentally discovered and removed during surgery. Pathology examination revealed a Meckel's diverticulum adenocarcinoma, with metastasis of extraskeletal myxoid chondrosarcoma. Resection was complete; however, the patient had diffuse metastatic pulmonary disease and died eight months later due to disease progression. This mechanism of tumour-to-tumour metastasis is described in other locations, but, regarding the Meckel's diverticulum, this is a unique situation, previously unreported in the literature. (AU)
RESUMEN
El condrosarcoma mixoide extraesquelético es un tumor de tejidos blandos poco frecuente, con una elevada tasa de recurrencia y metástasis a distancia y una respuesta limitada a la quimioterapia. El divertículo de Meckel es la anomalía congénita más frecuente y se asocia a un riesgo considerable de transformación maligna. En este caso clínico describimos a una paciente de 50 años con antecedentes de condrosarcoma mixoide extraesquelético de miembro inferior y metástasis en el antebrazo que acudió al servicio de urgencias por dolor abdominal. La exploración reveló un vólvulo cecal. Se descubrió incidentalmente una lesión en el tercio medio del íleon, que se extirpó durante la intervención quirúrgica. El examen patológico reveló un adenocarcinoma de divertículo de Meckel, afectado por metástasis de condrosarcoma mixoide extraesquelético. La resección fue completa; sin embargo, la paciente presentaba enfermedad pulmonar metastásica difusa y falleció ocho meses después debido a la progresión de la enfermedad. Este mecanismo de metástasis entre tumores está descrito en otras localizaciones, pero en lo que respecta al divertículo de Meckel, se trata de una situación única en la literatura. (AU)
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Collection: National databases / Spain Database: IBECS Main subject: Sarcoma / Chondrosarcoma / Colonic Neoplasms / Meckel Diverticulum / Neoplasm Metastasis Limits: Adult / Female / Humans Language: English Journal: Rev. esp. patol Year: 2024 Document type: Article Institution/Affiliation country: Coimbra Institute for Clinical and Biomedical Research Area of Environment Genetics and Oncobiology/Portugal / Pathology Department/Portugal
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Collection: National databases / Spain Database: IBECS Main subject: Sarcoma / Chondrosarcoma / Colonic Neoplasms / Meckel Diverticulum / Neoplasm Metastasis Limits: Adult / Female / Humans Language: English Journal: Rev. esp. patol Year: 2024 Document type: Article Institution/Affiliation country: Coimbra Institute for Clinical and Biomedical Research Area of Environment Genetics and Oncobiology/Portugal / Pathology Department/Portugal
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