Metastatic Merkel cell carcinoma

Case contributed by Anna Margherita Maffione
Diagnosis certain


Swelling of fourth finger of the right hand

Patient Data

Age: 75 years
Gender: Male


Nuclear medicine

Intense hypermetabolic lesion (SUVmax 6.3) on the fourth finger of the right hand consistent with localization of Merkel cell carcinoma. In addition, ipsilateral axillary adenopathy is demonstrated as three FDG-avid lymph, the largest of which with SUVmax 9.5 and short axis diameter of 2.3 cm.

Case Discussion

Biopsy revealed Merkel cell carcinoma. Many studies have demonstrated the high sensitivity and specificity of F-18-FDG PET-CT in staging Merkel cell carcinoma.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.