PMC5820879_01
Noncontrast computed tomography head showing a left frontal lesion with variegated appearance, mass effect, edema, and midline shift
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F1
A left frontal lesion with variegated appearance was detected on noncontrast computed tomography (CT) head [Figure 1].
Contrast-enhanced magnetic resonance imaging brain showing a left frontal contrast enhancing mass lesion
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F2
A contrast-enhanced magnetic resonance imaging brain was done demonstrated a heterogeneous mass lesion, (hyperintense on T1-weighted image [T1-WI] and relatively hypointense on T2-WI) [Figure 2] with mass effect with perilesional edema was seen in the left frontal area.
Histopathological examination showing melanoma infiltration in the form of nests with pigment deposition (melanin) and surrounding brain tissue (H and E, x40)
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F3
Foci of hemorrhage and necrosis were seen [Figures 3 and 4].
Histopathological examination showing infiltration of melanoma cells with high nucleo-cytoplasmic ratio, prominent nucleoli, and melanin pigment (H and E, x400)
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F4
Foci of hemorrhage and necrosis were seen [Figures 3 and 4].
Postoperative noncontrast computed tomography head of patient showing complete excision of mass lesion
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F5
Postoperative period proved to be uneventful and patient was discharged on the seventh postoperative day with complete excion confirmed by post opertative NCCT Head and MRI Brain [Figures 5 and 6].
Fluid attenuation inversion recovery sequence of postoperative magnetic resonance imaging showing mild edema with no mass lesion
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F6
Postoperative period proved to be uneventful and patient was discharged on the seventh postoperative day with complete excion confirmed by post opertative NCCT Head and MRI Brain [Figures 5 and 6].