PMC5974685_01
Anteroposterior (a) and lateral (b) radiograph of the patient showing reduced subtalar joint space with erosion of articular surfaces.
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F1
Her X-rays revealed a reduction of subtalar joint space with generalized osteoporosis (Fig. 1a and b). 20  and 40  Broden views also confirmed the presence of subtalar arthritis (Fig. 2a and b).
20  (a) and 40  (b) Broden views of the same patient showing the presence of subtalar joint arthritis.
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F2
Her X-rays revealed a reduction of subtalar joint space with generalized osteoporosis (Fig. 1a and b). 20  and 40  Broden views also confirmed the presence of subtalar arthritis (Fig. 2a and b).
Post-operative lateral (a) and axial (b) radiograph ofthe same patient operated for subtalar joint fusion.
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F3
This screw was 5.0 mm cannulated cancellous and was used with the purpose of sound fusion of middle and anterior subtalar joint (Fig. 3a and b).
6 weeks post-operative lateral (a) radiograph and Broden views at 20  (b) and 40  (c) showing slow union.
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F4
X-rays at 6 weeks post-surgery showed slow union (Fig. 4a-c).
6 months post-operative lateral (a) and axial (b) radiographs plus Broden views at 10  (c), 20  (d), 30  (e), and 40  (f); all are showing delayed consolidation offusion.
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F5
X-rays at the end of 6 months did showed non-progressive and non-convincing progress of fusion (Fig. 5a-f).
Sagittal (a and b) and coronal (c) computed tomography scan images showing no signs of union at the end of 15 months ofsurgery.
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F6
Computed tomography scan at 8 months post-surgery showed the persistence of erosion and joint space at fusion site (Fig. 6a-c).
(a and b) Histopathological appearance of the scrapped dirty granulation tissues showing epithelioid granuloma with plenty of giant cells; typical features suggestive of tuberculous infection.
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F7
Histopathologic examination showed epithelioid granulomas with plenty of giant cells suggestive of tuberculosis (Fig. 7a and b).
Lateral (a) and axial (b) image taken at 6 weeks after second surgery and under cover of antituberculous drugs showing fusion in progress.
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F8
X-rays showed signs of fusion, and hence, surgery was delayed (Fig. 8a and b).
Lateral (a) and axial (b) radiographs plus Broden views at 10  (c), 20  (d), 30  (e), and 40  (f); taken at 3 months post-second surgery and under cover of antituberculous treatment showing total consolidation offusion.
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F9
Spontaneous fusion was noticed just with antituberculous medicines, and at the end of 3 months, fusion got completed and the patient was walking full weight bearing without any complaints (Fig. 9a-f).