Case Challenge

Foot & Ankle

Stephen J Pomeranz

Gain confidence interpreting Foot & Ankle MRI Cases with MRI Online. Quiz yourself using real-world, interactive scrollable cases & earn CME. Try it free!

Case Review

Musculoskeletal (MSK)

Post-Course Activities

This Power Pack is comprised of 25 unique Foot / Ankle MRI cases that you can scroll through in our diagnostic web viewer to determine your findings. Quiz yourself and earn CME.

Foot & Ankle MRI Cases

Case 17 - 42-year-old female presents with mass in right foot

<div>HISTORY:&#160;This 42-year-old female presents with a mass in the right lateral mid foot for one year.(QUIZ ANSWER) UNLIKELY DIFFERENTIAL:&#160;Sebaceous cyst.Using the&#160;diagnostic web viewer, we have provided images that assist in telling our clinical story. Areas of significance are indicated below.FINDINGS: Along the dorsal aspect of the foot in the subcutis space compressing the 4th and 5th extensor digitorum is an oval-shaped hyperintense mass measuring 1.57cm transverse x 1.17cm in depth x 2.12cm in length.&#160;Following contrast augmentation, wall enhancement slightly nodular is present.&#160;Mild surrounding edema.&#160;Differential diagnosis includes cystic myxoid tumor, cystic schwannoma, but cysts including sebaceous cyst are excluded based on the enhancement characteristics and location. The one cyst that remains a possibility is epidermal inclusion cyst.&#160;CONCLUSION:&#160;Proteinaceous water signal intensity mass along the dorsum of the foot whose differential diagnosis is given.</div>

Case

Which of the following would be an UNLIKELY choice for a differential diagnosis in this case?