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Case Reports
. 2020 Dec 2;12(12):e11838.
doi: 10.7759/cureus.11838.

Osteoblastoma of Talus: A Diagnostic Dilemma

Sarang Agarwal  1 , Dharmendra K Singh  2 , Ashish Rustagi  1 , Loveneesh Krishna  1 , Jatin Talwar  1
Affiliations
Case Reports

Osteoblastoma of Talus: A Diagnostic Dilemma

Sarang Agarwal et al. Cureus. .

Abstract

The critical biomechanical importance of talus and nonspecific clinical features of talus lesion warrants a meticulous diagnostic work-up for specific management, particularly when the talus lesion is associated with concomitant soft tissue and joint abnormalities. We present a rare case of osteoblastoma of talus with concomitant tenosynovitis of tibialis anterior, ankle joint effusion, varicose vein and moderate distal arterial stenosis.

Keywords: diagnosis; multidisciplinary approach; osteoblastoma; talus.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. Lateral radiograph of the ankle and hindfoot demonstrates an exophytic sclerotic osseous lesion at neck of talus with punctate calcifications (black arrow)
Figure 2
Figure 2. Sagittal reformatted (a) and axial (b) CT of the ankle and hindfoot demonstrates an exophytic capsulated osseous lesion at neck of talus having punctate calcifications (white arrow)
Figure 3
Figure 3. Sagittal T1 (a), T2 (b), STIR (c) and coronal T1 (d) MR images demonstrate an exophytic osseous lesion at neck of talus having thin hypointense capsule (yellow arrow). The matrix of the lesion demonstrates T1 isointense (to muscle) [Red arrow in fig. 3a, d] and T2 hyperintense (to muscle) [blue arrow in fig. 3b, c] with punctate signal voids (white arrow). The punctate signal voids corresponds to the calcifications as demonstrated in CT. Edema in adjacent marrow of talus (yellow asterisk) and in soft tissue of dorsum of foot (red asterisk) as demonstrated in fig. 3c.
Figure 4
Figure 4. Axial CT of the hindfoot demonstrates CT guided biopsy of the talus neck lesion (black arrow) by the 11G bone biopsy needle (yellow arrow) through anterolateral approach
Figure 5
Figure 5. Post-operative lateral radiograph of the ankle and hindfoot demonstrates complete excision of the exophytic talus neck lesion (black arrow).
Figure 6
Figure 6. Lateral radiograph of the ankle and hindfoot 2 years post-operatively
See this image and copyright information in PMC

References

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