PMC7568129_01
Clinical photograph displaying scalp swelling with overlying brownish skin discoloration.
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F1
Healed linear scar was noted near the center of the swelling [Figure 1].
Computed tomography brain axial showing (a) diffuse soft-tissue mass in scalp (b) associated calvarial defect (marked with orange arrow head). (c and d) Magnetic resonance imaging showing diffusely enhancing soft-tissue scalp mass.
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F2
Computed tomography scan of the head revealed a diffuse soft-tissue mass in bilateral parieto-occipital region with the left occipital bone defect near the asterion [Figures 2a and b]. Magnetic resonance imaging revealed brilliantly enhancing diffuse lesion involving extracranial bilateral parieto-occipital region and small extradural component with infiltration of the scalp [Figures 2c and d].
Photomicrograph illustrating histopathology of the lesion (a) shows irregular shaped groups of bland spindle cells with wavy nuclei and pale eosinophilic cytoplasm. There is no nuclear atypia. Mitotic activity is not appreciated (H&E, x20), (b) diffuse positivity for S-100; (c) CD34 positivity in blood vessels only (IHC, x200).
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F3
The histopathology report was consistent with neurofibroma [Figure 3].