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LCH Choroid Plexus
Joseph Junewick, MD FACR
over 7 years ago
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Sesmoiditis

Case Detail

Anatomy: Musculoskeletal
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Trauma
Created: over 6 years ago
Updated: over 6 years ago
Tags: PEDS
Modality/Study Types: MR
Activities:
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History

Teenager with chronic forefoot pain.


Case Images


Diagnosis

Sesamoiditis

Findings

MR – The lateral sesamoid bone is hypointense on T1 and hyperintense on FS-T2, IR and FS-T1 postgadolinium sequences. Minimal fluid is present in the first metatarsophalangeal joint.

Discussion

Sesamoiditis is a painful inflammatory condition produced by repetitive injury to the plantar aspect of the forefoot. MR imaging findings in the marrow of the sesamoid bones include decreased or normal signal intensity on T1-weighted images and increased signal intensity on STIR images. Reactive soft-tissue abnormalities including tendinitis, synovitis, and bursitis are characteristic findings in sesamoiditis. Turf toe, plantar plate dysfunction, and stress change are important differential considerations.

Reference

Ashman CJ, Klecker RJ, Yu JS. Forefoot Pain Involving the Metatarsal Region: Differential Diagnosis with MR Imaging. Radiographics (2001); 21:1425-1440.

Contributor

Ellen J. Junewick



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