Background: Primary dedifferentiated liposarcoma of the orbit is a rare condition.
Case description: A 41-year-old man presented with a history of right ophthalmalgia with eye movement and exophthalmos that had developed 2 months earlier. Neuroimages revealed a right orbital mass located above the superior rectus muscle. Tumor resection through the right frontal craniotomy was performed. Histopathologic findings showed the dedifferentiated liposarcoma.
Conclusions: Primary orbital dedifferentiated liposarcomas remain challenging for their diagnosis and standard treatment. Clinicians should keep in mind the possibility of liposarcoma with orbital tumors.
Keywords: Dedifferentiated; Liposarcoma; Orbital tumors.
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