case_images: PMC11760300_01
case_images: Standard Radiograph : F(A) /P (B) of the right lower limb. Extensive diaphyseal widening of the femoral bone associated with thickening of the cortical bone.
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case_images: Standard radiographs (Fig. 1) revealed significant diaphyseal widening of the femoral bone along with cortical thickening.
case_images: MRI of the right lower limb in coronal section T2 (A), coronal T1 (B) and sagittal section T2 (C): Centromedullary lesional process in the right femoral diaphyseal (25 cm of height) composed of many cystic formations, in low signal T1 and high signal T2, not enhanced after contrast.
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case_images: Magnetic resonance imaging (MRI) of the thigh (Fig. 2) showed a large centromedullary lesion in the right femoral diaphysis, measuring 25 cm in length.
case_images: Histological study confirms the diagnosis of intraosseous hydatid cyst and shows the hydatid cuticle with an anhistic acidophilic appearance, lined with more or less detached unicellular proligeral membrane, with no visible scolex (H&E, 200).
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case_images: A bone biopsy was performed, and histopathological examination (Fig. 3) confirmed the diagnosis of an infected intraosseous hydatid cyst.