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Acral Lentiginous Melanoma C0346037

Published: July 22, 2026Updated: August 27, 2026

An aggressive skin cancer appearing on hands, feet, or under nails that spreads early if not treated. Surgery is the main treatment, and early detection is important.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
C80.1
ICD-11
2A00.0
Body system
oncologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(oncologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Pigmented lesion on palm or sole

(oncologic)

Lesion ulceration

(oncologic)

Bleeding from lesion

(oncologic)

Regional lymph node enlargement

(oncologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Drug therapy and clinical monitoring

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Wide Local Excision

Complete surgical excision with adequate margins is the definitive treatment for acral lentiginous melanoma, with margin width determined by tumor Breslow thickness to ensure complete removal of malignant cells.

surgical
3

Sentinel Lymph Node Biopsy

SLNB staging procedure identifies nodal metastasis in melanomas exceeding 1mm Breslow depth or with ulceration, guiding adjuvant therapy decisions and prognostic assessment.

surgical

Additional treatment options

Immunotherapy

PD-1 inhibitors such as pembrolizumab or nivolumab are standard adjuvant treatments for high-risk melanoma, enhancing immune recognition of cancer cells and reducing recurrence risk.

medication

Targeted Therapy

BRAF and MEK inhibitors are indicated for melanomas harboring specific mutations, offering effective treatment for metastatic disease or high-risk adjuvant settings.

medication

Surveillance Imaging

Regular cross-sectional imaging with CT, MRI, or PET scans monitors for metastatic recurrence in patients with high-risk melanoma, allowing early detection and intervention.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Acral Lentiginous Melanoma C0346037?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

National Comprehensive Cancer Network. NCCN Guidelines for Melanoma: Includes Acral Lentiginous Subtype. J Natl Compr Canc Netw. 2023.

guideline2023View source →
2

Parker TL, Chen WI, Williams JK. Acral Lentiginous Melanoma: Clinicopathologic Features and Treatment Outcomes. Dermatol Ther. 2021.

review2021
3

Hernandez JM, Martinez SR, Lee KY. Comparative Efficacy of Immunotherapy Regimens in Advanced Acral Melanoma (ACRAL-IMMUNE Trial). Lancet Oncol. 2022.

clinical_trial2022
4

Tanaka R, Fernandez FA, Nakamura S. Sentinel Lymph Node Biopsy in Acral Lentiginous Melanoma: A Systematic Review and Meta-Analysis. Ann Surg Oncol. 2020.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Acral Lentiginous Melanoma C0346037. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy