- NAIL TUTOR SEARCH RESULT - PIGMENTATION in HYPONYCHIUM Brown or black PYGMENTATION of the HYPONYCHIUM or the other nail folds is better known as 'Hutchinson's sign'. The most common cause is 'melanoma' - a benign or malignant tumor of melanocytes which are found predominantly in the skin. Synonyms: Hutchinson's Sign RESTART THE NAIL TUTOR

* NOTICE: The HandResearch Nail Tutor tool is in development - currently this tool
discriminates 44 fingernail disorders in the nails | The NAIL TUTOR tool is an aspect of
Medical Hand Analysis and the purpose of this tool is to help identify the nature of your
Nail Disorder. | The section Nail Disorders presents a more comprehensive overview.

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