case_images: PMC11085018_01
case_images: Pelvic radiography (Anterior and lateral views) and right leg radiography (Anterior and lateral views) showing mixed lytic and sclerotic lesions(arrows) with cortical involvement(star).
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case_images: The standard radiograph showed mixed sclerotic and lytic lesions with thinning of the cortical bone without rupture (Figure 1).
case_images: Coronal sections of an MRI of the lower limbs showing bilateral femoral metaphyseal-diaphyseal signal abnormalities, with T1 hypointensity (a), intermediate signal on T2 (b), STIR hyperintensity (c), enhanced heterogeneously after contrast injection (d), blowing the cortex without breaking it.
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case_images: The MRI of the lower limbs revealed bilateral metaphyseal-diaphyseal femoral signal abnormalities, with hypointensity on T1, intermediate signal on T2, heterogeneous enhancement on STIR after contrast injection, and signal abnormalities in the femoral neck, with hypointensity on T1, hyperintensity on T2, and annular enhancement after contrast injection (Figures 2 and 3).
case_images: Coronal sections encompassing the knees and legs showing signal abnormalities in the right tibial region with T1 hypointensity (a), T2 hyperintensity on STIR (b), enhanced after contrast injection (c).
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case_images: The MRI of the lower limbs revealed bilateral metaphyseal-diaphyseal femoral signal abnormalities, with hypointensity on T1, intermediate signal on T2, heterogeneous enhancement on STIR after contrast injection, and signal abnormalities in the femoral neck, with hypointensity on T1, hyperintensity on T2, and annular enhancement after contrast injection (Figures 2 and 3).
case_images: Axial sections of a brain CT scan showing thickening with a ground glass appearance of the right frontal, temporal, and occipital bones(arrows), as well as the entire right facial structure, with grade 1 exophthalmos.
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case_images: The brain CT scan showed a characteristic ground-glass appearance of bone dysplasia associated with exophthalmos (Figure 4).
case_images: Sagittal and axial sections showing bone thickening of the right frontal, occipital, and right facial bones with iso-signal on T1 (a and b), heterogeneous hyperintensity on T2 Flair (c), enhancing heterogeneously after contrast injection with enhancement (d).
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case_images: A brain MRI was performed as part of the epilepsy investigation, which showed thickening of the right frontal and occipital bones, as well as the bones of the facial skeleton, along with exophthalmos and meningeal enhancement (Figure 5).
case_images: Axial and sagittal sections of a cervical ultrasound revealing a heterogeneous pseudo-nodular thyroid with hypervascularity on color Doppler.
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case_images: Abdominal and cervical ultrasound examinations were conducted as part of the search for associated endocrinopathies, revealing lesions suggestive of thyroiditis (Figure 6).