case_images: PMC11650270_01
case_images: Ultrasound grey scale B mode-showing large mass lesion in the sacral region which appears heterogeneously hypoechoic with few areas of calcifications within.
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case_images: Fig. 1. For deeper extension and involvement CT scan and MRI were advised.
case_images: CT sagittal (A) and coronal (B) sections showing large well circumscribed expansile soft tissue density mass lesion with intralesional calcifications noted in the pelvis in the region of lower sacrum and coccyx causing its destruction.
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case_images: On contrast enhanced CT scan large nonenhancing well circumscribed lytic expansile soft tissue density mass lesion with intralesional calcifications was noted in the pelvis, in the region of lower sacrum and coccyx as shown in Fig. 2.
case_images: CT axial soft tissue window showing lesion involving presacral fat and displacing & compressing the rectum anteriorly and reaching upto subcutaneous region posteriorly, involving medial part of gluteal muscles.
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case_images: Posteriorly, it was reaching up to subcutaneous region, involving medial part of gluteal muscles as shown in Fig. 3.
case_images: CT axial section bone window showing destruction of sacrum caused by the lesion.
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case_images: Destructive lysis of lower sacral vertebrae and coccyx was noted on CT bone window as shown in Fig. 4.
case_images: MRI post contrast axial(A), coronal (B), sagittal (C) sections showing large heterogenously enhancing mass lesion involving lower sacral vertebra and coccyx.
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case_images: T2 weighted imaging as shown in Fig. 5, Fig. 6. The mass lesion was seen to have intralesional calcifications and few foci of hemorrhage within. The patient underwent gross total resection of the tumor along with partial sacrectomy and coccygectomy.