Case Challenge

Hand & Wrist

Stephen J Pomeranz

Gain confidence interpreting Hand MRI with practice cases from 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 Hand MRI cases that you can scroll through in our diagnostic web viewer to determine your findings. Quiz yourself and earn CME.

Hand MRI Cases

Case 13 - 53-year-old male presents with lump at base of index finger

<div>HISTORY:&#160;This 53-year-old male presents with lump at base of index finger on left hand, and palm tingling for two years.PRIMARY FINDING:&#160;Proper palmar digital nerve schwannoma.Using the&#160;diagnostic web viewer, we have provided images that assist in telling our clinical story. Areas of significance are indicated below.FINDINGS: No acute bony macrofracture or contusion. No acute tear of triangular fibrocartilage. Carpal bones normal in alignment. Scapholunate and lunotriquetral joint space within normal limits. Extensor tendons intact. Flexor tendons intact. Median nerve normal in caliber.No acute muscle strain.A 1 x 2 x 1cm mass in the subcutis tissue radial to the flexor tendon at the level of 2nd metacarpophalangeal joint isointense on T1 sequence and hyperintense on T2 sequence with avid enhancement. No adjacent soft tissue edema. No osseous erosion.&#160;No acute ligamentous sprain.&#160;IMPRESSION: Left Hand: A 1 x 1 x 2cm mass in the volar radial aspect of index finger probably is a nerve sheath tumor associated with proper palmar digital nerve.</div>

Case

Malignant peripheral nerve sheath tumor (MPNST)

What is the primary finding in this case?