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  • Title: Orbital schwannoma with calcification treated by intracapsular excision: A case report.
    Author: Ren M, Wu Y, Li R, Wang J, Liu L, Gao Y.
    Journal: Medicine (Baltimore); 2021 Feb 19; 100(7):e24801. PubMed ID: 33607842.
    Abstract:
    RATIONALE: Orbital schwannoma is a relatively rare orbital tumor, and calcification of the lesion is rarely found in the orbit. We report a case of orbital schwannoma which was characterized by calcification in the orbital muscle cone, and was cured by intracapsular excision. PATIENT CONCERNS: A 54-year-old female with a complaint of a mass in the left orbit during a magnetic resonance imaging examination and symptom of dizziness 6 months before, presented with painless exophthalmos and vision decline in the left eye. DIAGNOSES: According to clinical manifestations, imaging examinations and postoperative immunohistochemical examinations, the diagnosis was orbital schwannoma, with calcification in the muscle cone. INTERVENTIONS: The patient was treated by intracapsular excision of the left orbit. We removed the intracapsular mass and most part of the cyst wall in order to prevent orbital apex syndrome. OUTCOMES: The diagnosis of schwannoma with calcification was confirmed finally through histological and immunohistochemical exam. The patient was followed up for 28 months and the orbital CT scan showed that there were no significant lesions found in the orbital muscle cone. LESSONS: Understanding clinical, imaging diagnostic, and histopathological features of rare orbital schwannoma with calcification will facilitate timely diagnosis and treatment of this condition. The intracapsular excision can help in avoiding complications.
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