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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Dysplastic nevus surgery

Introduction

Overview

Overview

Surgery is the mainstay of treatment for dysplastic nevus.

Surgery

Surgery

Surgery is the mainstay of treatment for dysplastic nevus.

Surgical Margins for Wide Excision of Primary Melanoma

  • The National Comprehensive Cancer Network (NCCN) recommends wide excision of margins of primary melanoma.
  • The choice of clinical margins is based on the tumor thickness.[1]
  • The margins may be individualized to accomodate anatomic and functional considerations.[1]
Tumor thickness Recommended Clinical Margins
In situ 0.5 cm
≤ 1 mm 1 cm
> 1 mm – 2 mm 1-2 cm
> 2 mm – 4 mm 2 cm
> 4 mm 2 cm
A blue stained sentinel axillary lymph node

Complete Lymph Node Dissection

The 2013 National Comprehensive Cancer Network (NCCN) recommends complete dissection of involved nodal basin is recommended.[1]

  • Specific considerations for the groin lymph nodes
  • Indications for iliac and obturator lymph node dissection:
  • Positive pelvic CT, or
  • Cloquet’s node is positive
  • Elective iliac and obturator lymph node dissection
  • Clinically positive superficial node, or
  • ≥ 3 superficial nodes are positive
References

References

  1. ↑ 1.0 1.1 1.2 Coit DG, Andtbacka R, Anker CJ, Bichakjian CK, Carson WE, Daud A; et al. (2013). “Melanoma, version 2.2013: featured updates to the NCCN guidelines”. J Natl Compr Canc Netw. 11 (4): 395–407. PMID 23584343.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Faizan Sheraz, M.D. [2]