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Foot & Ankle
intermediate
X-Type

Sesamoid Disorders of the Hallux

Forefoot Disorders

A 28-year-old ballet dancer presents with chronic pain under the first metatarsal head, worse with activities requiring push-off such as relevé. She localizes the pain to the plantar medial aspect. Examination reveals point tenderness directly over the tibial sesamoid with pain on forced dorsiflexion of the hallux. Radiographs show irregularity of the tibial sesamoid with possible fragmentation. MRI reveals bone marrow edema within the tibial sesamoid. Regarding sesamoid disorders of the hallux:

Mark each as TRUE or FALSE

A

The hallux sesamoids are embedded within the tendons of the flexor hallucis brevis and articulate wi...

B

Sesamoid disorders include sesamoiditis (stress reaction), stress fracture, acute fracture, avascula...

C

The sesamoids are extra-articular structures with no weight-bearing function; the fibular sesamoid i...

D

Non-operative treatment includes activity modification, stiff-soled shoes or rocker bottom modificat...

E

Complete tibial sesamoidectomy should be avoided if possible as it can lead to hallux valgus drift d...

Answer the questions to see explanations

Click T (True) or F (False) for each option