case_images: PMC6374815_01
case_images: Frontal and lateral radiographs show increased radiodensity, dorsal protrusion, and collapse of the lateral portion of the tarsal navicular.
case_images: CRIOR2019-5952435.001.jpg
case_images: PMC6374815_01_CRIOR2019-5952435.001.jpg
case_images: fig1
case_images: Sclerotic collapse was also noted at the lateral aspect of the tarsal navicular (Figure 1).
case_images: Axial and sagittal CT scans show diffuse sclerosis of the tarsal navicular.
case_images: CRIOR2019-5952435.002.jpg
case_images: PMC6374815_01_CRIOR2019-5952435.002.jpg
case_images: fig2
case_images: Computed tomography (CT) scans showed diffuse sclerosis and marginal irregularities of the tarsal navicular (Figure 2).
case_images: Sagittal MRI shows low signal-intensity areas on both T1-weighted images (a) and T2-weighted images (b) in the marrow of the tarsal navicular. Gd-based MRI (c) shows increased uptake in the peripheral tarsal navicular.
case_images: CRIOR2019-5952435.003.jpg
case_images: PMC6374815_01_CRIOR2019-5952435.003.jpg
case_images: fig3
case_images: Gd-based MRI showed increased uptake in the peripheral tarsal navicular, which was representative of hypervascular areas (Figure 3).
case_images: Postoperative radiograph shows fixation using LCP-DRP with 6 2.4 mm locking screws.
case_images: CRIOR2019-5952435.004.jpg
case_images: PMC6374815_01_CRIOR2019-5952435.004.jpg
case_images: fig4
case_images: Arthrodesis was performed using an LCP Distal Radius Plate (SYNTHES) with 6 2.4 mm locking screws from the medial aspect of the foot (Figure 4).
case_images: Histopathologic findings show diffuse empty lacunae, suggesting osteonecrosis.
case_images: CRIOR2019-5952435.005.jpg
case_images: PMC6374815_01_CRIOR2019-5952435.005.jpg
case_images: fig5
case_images: Histopathologic findings showed diffuse empty lacunae without any infection, consistent with avascular necrosis (Figure 5).
case_images: After 5 years of follow-up, radiographs show insufficient fusion of the talonavicular joint.
case_images: CRIOR2019-5952435.006.jpg
case_images: PMC6374815_01_CRIOR2019-5952435.006.jpg
case_images: fig6
case_images: A radiograph taken 5 years after surgery showed nonunion with mild osteoarthrosis of the talonavicular joint (Figure 6).
case_images: PMC6374815_02
case_images: Frontal and lateral radiographs show increased radiodensity, dorsal protrusion, and fragmentation of the tarsal navicular.
case_images: CRIOR2019-5952435.007.jpg
case_images: PMC6374815_02_CRIOR2019-5952435.007.jpg
case_images: fig7
case_images: Radiographs showed increased radiodensity, dorsal protrusion, and fragmentation of the tarsal navicular (Figure 7).
case_images: Axial and sagittal CT scans confirm fragmentation of the tarsal navicular and a cystic lesion in the talus.
case_images: CRIOR2019-5952435.008.jpg
case_images: PMC6374815_02_CRIOR2019-5952435.008.jpg
case_images: fig8
case_images: CT scans showed a segmented tarsal navicular and cystic lesions with sclerotic changes in the neck of the talus (Figure 8).
case_images: MRI shows low signal-intensity areas on T1-weighted images (a) and T2-weighted images (b) in the marrow of the tarsal navicular.
case_images: CRIOR2019-5952435.009.jpg
case_images: PMC6374815_02_CRIOR2019-5952435.009.jpg
case_images: fig9
case_images: MRI showed low signal-intensity areas on T1-weighted images and T2-weighted images in the marrow of the tarsal navicular, which suggested osteonecrosis (Figure 9).
case_images: (a) Arthrodeses of the talonavicular and naviculocuneiform joints using CSLP-VA. (b) Postoperative radiograph shows fixation using CSLP-VA with 4 4.0 mm locking screws.
case_images: CRIOR2019-5952435.010.jpg
case_images: PMC6374815_02_CRIOR2019-5952435.010.jpg
case_images: fig10
case_images: Primary fixation was performed using CSLP-VA (SYNTHES) with 4 4.0 mm locking screws from the medial aspect of the foot (Figure 10).
case_images: Histopathologic findings show normal osteocytes and empty lacunae.
case_images: CRIOR2019-5952435.011.jpg
case_images: PMC6374815_02_CRIOR2019-5952435.011.jpg
case_images: fig11
case_images: (a) CT scan 6 months after surgery shows sufficient bone union fusion at the talonavicular and naviculocuneiform joints. (b) After 5 years of follow-up, the radiograph shows sufficient fusion.
case_images: CRIOR2019-5952435.012.jpg
case_images: PMC6374815_02_CRIOR2019-5952435.012.jpg
case_images: fig12
case_images: A radiograph taken 6 months after surgery showed sufficient bone union (Figure 12(a)). Four years after surgery, her radiograph showed complete fusion at the talonavicular and naviculocuneiform joints (Figure 12(b)).