case_images: PMC5379803_01
case_images: Arrow showing subgaleal hematoma over Lt Posterior parietal area
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case_images: F1
case_images: Two days after discharge to his home, he developed headache followed by a boggy swelling over his Lt Parietal area [Figure 1].
case_images: Axial CT scan of head shows Rt parietal heterogeneously hypodence biconvex extradural lesion
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case_images: F2
case_images: Computed tomography (CT) scan of head showed Rt parietal biconvex heterogeneously hypodence extradural lesion with a volume of 70 cc and midline shift of 6 mm along with Lt parietal subgaleal hematoma [Figure 2].
case_images: Bone window in CT scan showing increased marrow proliferation with thin cortical bone margins
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case_images: F3
case_images: Bone window in CT scan and X-ray of the skull showed an increase in marrow proliferation with thin cortical bone margins [Figures 3-5].
case_images: X-ray skull showing increased marrow proliferation with thin cortical bone margins
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case_images: F4
case_images: Bone window in CT scan and X-ray of the skull showed an increase in marrow proliferation with thin cortical bone margins [Figures 3-5].
case_images: X-ray skull showing break in continuity of inner skull margin
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case_images: F5
case_images: Bone window in CT scan and X-ray of the skull showed an increase in marrow proliferation with thin cortical bone margins [Figures 3-5].
case_images: Trephine craniotomy showing altered blood and its degraded product in extra dural space
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case_images: F6
case_images: Rt parietal trephine craniotomy done liquid altered blood came out, below liquid blood there was a layer of yellowish plaque which was sucked out [Figure 6] and send for cytological and culture sensitivity study which later came as having no malignant cells, containing blood degraded products and free from any organism.
case_images: Craniotomy bone clearly showing increased hematopoietic skull tissue Proliferation with thin cortical bone margin
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case_images: F7
case_images: When we examined the bone flap, we found that there was a gross bone marrow proliferation with thin cortical bone margin [Figure 7].
case_images: Inner surface of Craniotomy bone showing papery thin cortex with areas of Blackish discoloration and pinpoint bleeding sitesdischarged
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case_images: F8
case_images: Inner bone margin was papery thin with areas of blackish discoloration and pinpoint bleeding sites [Figure 8].
case_images: Histo pathological examination of a bone piece reviled hyper-proliferative bone marrow
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case_images: F9
case_images: Histo pathological examination of a bone piece reviled hyper-proliferative bone marrow [Figure 9].
case_images: CT scan after 3 months of surgery at the time of follow up, showing previous craniotomy site with normal brain scan
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case_images: F10
case_images: On follow up he is doing well [Figure 10].