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PMC4898295_02
Nearly 4-year-old boy with FHI. Lateral X-ray of the foot showing subcutaneous mass in the precalcaneal region (arrows).
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Radiographs showed an ill-defined, approximately 9.3 x 9.1-mm soft-tissue opacity within the superficial soft tissues in the anteromedial plantar aspect of the right heel (Fig. 1).
Nearly 4-year-old boy with FHI. Ultrasound demonstrating ill-defined hypoechoic mass in the precalcaneal region (arrows).
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Ultrasound revealed an ill-defined, approximately 1cm x 1cm, heterogeneously hypoechoic subcutaneous mass with no calcification, necrosis, or invasion of the plantar fascia (Fig. 2).
Nearly 4-year-old boy with FHI. Sagittal T1 sequence reveals an ill-defined, hypointense, subcutaneous mass in the precalcaneal region (arrows). The skin marker slightly distorts the normal anatomy in this region.
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T1W images (Figure 3A, Figure 3B) and that had heterogeneous signal with mild hyperintensity on sagittal STIR sequence (Fig. 3C) without significant contrast enhancement after administration of gadolinium. The child underwent complete excision of the lesion.