Plantar Metatarsophalangeal Capsule Injury

Sonography can visualize the plantar plate, and may be useful for diagnosing plantar plate rupture (Fig. 34); however, its accuracy has not been proven in cases with surgical correlation. MRI and conventional arthrography have been used in the past for diagnosis of plantar plate ruptures [87,88]. Sonogra-phy likely provides higher resolution and detection of subtle plantar plate

Plantar Plate Injury

Fig. 31. Morton's neuroma of the second intermetatarsal space (arrow). Note the thickened interdigital nerve (notched arrow).

RT 3 IS LONG NOB COdP
Morton Neuroma Sonography

Fig. 32. Morton's neuroma with associated intermetatarsal bursitis. (A, B) Longitudinal sonographic images and (C) transverse image of the third intermetatarsal space demonstrates a hy-poechoic mass measuring 1.0 cm x 0.5 cm (arrows). The patient's typical pain was produced during this examination. (A) Noncompression image and (B) compression image show a change in configuration of the mass representing coexisting bursitis. Overestimation of the size of a Morton's can occur with bursitis.

Fig. 32. Morton's neuroma with associated intermetatarsal bursitis. (A, B) Longitudinal sonographic images and (C) transverse image of the third intermetatarsal space demonstrates a hy-poechoic mass measuring 1.0 cm x 0.5 cm (arrows). The patient's typical pain was produced during this examination. (A) Noncompression image and (B) compression image show a change in configuration of the mass representing coexisting bursitis. Overestimation of the size of a Morton's can occur with bursitis.

abnormalities; however, future research comparing sonography and MRI with surgical findings is needed.

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