PMC5302154_01
CT image showing homogeneously enhanced lesion in the scalp of occipital region.
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CT findings showed a homogeneously enhanced subcutaneous lesion ( Figure 1), but with no intracranial extension ( Figure 2).
CT bone window showing a minimal osseous gap in the midline but no intracranial extension of the lesion.
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CT findings showed a homogeneously enhanced subcutaneous lesion ( Figure 1), but with no intracranial extension ( Figure 2).
Excised specimen showing the giant lesion, of firm consistency and with no visible necrotic areas.
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Complete excision was undertaken ( Figure 3).
Photomicrograph of tissue taken from the lesion excised from the patient, showing characteristic spindle cells forming perivascular rosettes and staining with smooth muscle actin (SMA).
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Positive staining for smooth muscle actin (SMA) was highly suggestive for myopericytoma ( Figure 4), and the lack of mitotic cells or tissue necrosis confirmed its benign nature.