What should you know about merkel cell skin cancer?

It often appears as a firm, shiny, or painless skin lump that grows over a short period, although appearance alone cannot identify its cause. A dermatologist or surgeon may examine the lesion and nearby lymph nodes, then arrange a biopsy. A pathologist studies the tissue to confirm the diagnosis and describe features that affect staging. Further scans or lymph-node assessment may be recommended to learn whether disease has spread. A skin lump has many possible explanations, so testing—not the symptom alone—establishes whether Merkel cell carcinoma is present.

Arrange assessment for a new, enlarging, bleeding, or changing lesion, especially if it does not behave like a typical spot. Do not repeatedly irritate or remove it yourself. Bring a list of medicines and previous skin-cancer records to the appointment. Treatment planning may include tumour removal surgery, radiotherapy, immunotherapy, or a combination, depending on the tumour’s site, size, lymph-node findings, and overall health. A multidisciplinary team can coordinate pathology, imaging, surgery, and medical treatment.

Seek prompt medical review for a rapidly enlarging skin lump, a sore that repeatedly bleeds, or a lesion with a new colour or surface change. Contact the treatment team quickly for increasing wound redness, discharge, fever, uncontrolled pain, or new swelling near the operation site. New shortness of breath, severe weakness, confusion, or sudden neurological symptoms require urgent care rather than a routine skin appointment.

Has the lesion been biopsied, and what did the pathology show? Are nearby lymph nodes being assessed? What stage information is available? Which treatment sequence fits the location and my health? How will the skin and lymph-node areas be monitored after treatment?