A schwannoma is a benign nerve sheath tumour. On ultrasound they're generally eccentric to the nerve, are ovoid in shape, homogeneous (but can become heterogeneous as they enlarge) and display some internal vascularity.
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The rectus femoris has a double tendinous origin with the direct head originating from the AIIS and the indirect head from the superolateral aspect of the acetabulum. The direct head blends with the anterior aponeurosis and its peripheral unipennate muscle while the indirect head continues as the...
Paraplate cysts or plantar plate ganglia represent small defects within the plantar plate of the metatarsophalangeal joint of the toe. These defects allow a small amount of joint fluid to extend through this crevice and form an encapsulated cystic structure adjacent the joint capsule. This is a...
The pulley apparatus functions to secure the flexor tendon onto the adjacent phalanx. During forceful gripping activities, significant forces are exerted on the pulley as it maintains the tendon's close proximity to the bone against the distracting force exerted by the tendon's line of pull. When...
