Melanonychia Questions & Answers

Updated: Sep 10, 2018
  • Author: Chris G Adigun, MD, FAAD; Chief Editor: William D James, MD  more...
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Questions & Answers

Overview

What is melanonychia?

What is the pathophysiology of melanonychia?

What are the melanocytic activation/hyperplasia–related causes of melanonychia?

What causes melanonychia?

What are the physiologic causes of melanonychia?

What are the local and regional causes of melanonychia?

What are the systemic causes of melanonychia?

What are the dermatologic causes of melanonychia?

What are the chemotherapy-related causes of melanonychia?

Which drugs cause melanonychia?

Which syndromes are associated with melanonychia?

What is the prevalence of melanonychia?

What is the racial predilection of melanonychia?

What is the sexual predilection of melanonychia?

Which age groups have the highest prevalence of melanonychia?

What is the prognosis of melanonychia?

What is included in patient education about melanonychia?

Presentation

Which clinical history findings are characteristic of melanonychia?

Which physical findings are characteristic of melanonychia?

Which history and physical findings are characteristic of subungual melanoma in melanonychia?

DDX

What are the differential diagnoses for Melanonychia?

Workup

What is the role of lab testing in the workup of melanonychia?

What is the role of dermatoscopy in the workup of melanonychia?

What is the role of biopsy in the workup of melanonychia?

Which histologic findings are characteristic of melanonychia?

Treatment

How is the underlying etiology of melanonychia treated?

What is the role of surgery in the treatment of melanonychia?

Which specialist consultations are beneficial to patients with melanonychia?

What are the possible complications of melanonychia treatment?

What is included in the long-term monitoring of patients with melanonychia?

Medications

When are medications used in the treatment of melanonychia?