Merkel Cell Carcinoma
Merkel cell carcinoma is a rare and aggressive type of skin cancer that often presents as a rapidly growing, painless, shiny nodule on sun-exposed skin. Early detection is critical.
Table of Contents
Quick Facts
- ICD-10: C44.9
- Mnemonic: AEIOU clinical features
AEIOU Features
- Asymptomatic (painless)
- Expanding rapidly
- Immune suppression
- Older than 50
- UV-exposed fair skin
Treatment
- Wide local excision
- Sentinel lymph node biopsy
- Radiation therapy
- Immunotherapy (PD-1/PD-L1 inhibitors) — major advance for advanced disease
When to See a Doctor
Any new, rapidly growing skin lesion in older adults or immunocompromised patients should be evaluated promptly.
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- American Academy of Dermatology. Merkel Cell Carcinoma.