PMC9209640_01
Preoperative imaging information of LCS (A) Computed tomography and (B-E) magnetic resonance imaging findings of the intracranial and extracranial communication lesions in the left forehead.
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F1
The adjacent dura mater was thickened, the brain parenchyma was slightly compressed, the soft tissues of the scalp were swollen outwards, and the tumor was strengthened (Figure 1).
Pathological examination revealing the morphology of Langerhans cell sarcoma and positive immunohistochemical markers.
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F2
Immunohistochemical analyses showed positivity for cluster of differentiation (CD)1a (++), S100 protein (++), P53 (++), CD68 (+), cyclin D1 (+), cyclin A (+), cyclin B1 (+), IGF2BP3 (+), and Ki-67 (45%-50%) (Figure 2).
Imaging information were followed up one year after surgery of LCS (A,B) CT (C) MRI.
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F3
Consultation at 1-year follow-up involved re-examination of the head using CT and MRI: recurrence and metastasis had not occurred (Figure 3).