Case 13: Growing neck lump
1. Describe the lesion
There is a hemisperical raised lesion which is deeply purple in colour, smooth in contour, which seems to be involving the overlying skin.2. What is the differential diagnosis?
Malignant lesion - primary skin lesion or metastatic nodal disease involving skin. Less likley would be an infected sebaceous cyst.3. What else would you examine?
The skin of the head and neck, complete ENT exam, and other lymph node groups.4. What do you see?
Pigmented skin lesions consistent with melanoma.5. Now what is your likely diagnosis?
Nodal involvement of metastatic melanoma.Further reading
Melanoma - National Cancer Institute