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J Pediatr Hematol Oncol ; 46(3): e251-e253, 2024 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-38408159

RESUMO

The plexiform fibromyxoma is a rare mesenchymal tumor in adults that generally originates in the antrum of stomach, being its occurrence in pediatric patients exceptional. It was classified as a distinct entity by World Health Organization in 2010. No recurrences and metastases have been documented in many of the reported patients to date, being the surgical treatment curative. We report the case of a 3-month-old infant who presented to the emergency department with an episode of intestinal subocclusion requiring an emergent surgery. During the surgical intervention, a mass was identified in the jejunum, causing partial occlusion of its lumen. The surgical pathology report revealed an infiltrative tumor composed of spindle-shaped cells disposed in a stroma with a plexiform pattern alternating myxoid areas. These findings and the immunohistochemical characteristics of the neoplastic cells led to classify the tumor as a plexiform fibromyxoma. A description of the immunophenotype of this tumor is made and differential diagnosis with other gastrointestinal tumors is also discussed.


Assuntos
Fibroma , Neoplasias de Tecidos Moles , Neoplasias Gástricas , Humanos , Lactente , Fibroma/cirurgia , Fibroma/diagnóstico , Fibroma/patologia , Neoplasias Gástricas/diagnóstico
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