Types of onychomycosis

Area of Science:

• Dermatology
• Mycology
• Infectious Diseases

Background:

• Onychomycosis is a common nail infection with varied clinical presentations.
• Understanding these classifications is crucial for accurate diagnosis and treatment.
• The five main types include distal subungual, white superficial, proximal subungual, endonyx, and total dystrophic onychomycosis.

Purpose of the Study:

• To delineate the distinct characteristics of each onychomycosis subtype.
• To provide a clear classification of fungal nail infections based on morphology and pathogen involvement.

Main Methods:

• Review of existing literature and clinical case studies.
• Analysis of diagnostic criteria for each onychomycosis type.
• Comparative examination of pathological features.

Main Results:

• Distal subungual onychomycosis (DSO) is the most prevalent, affecting the nail bed and plate.
• White superficial onychomycosis (WSO) appears as white patches on the nail surface.
• Proximal, endonyx, and total dystrophic types involve different entry points or degrees of nail destruction.

Conclusions:

• Accurate classification of onychomycosis subtypes is essential for targeted therapeutic strategies.
• Each type, from DSO to total dystrophic, requires specific diagnostic considerations.
• Further research may refine classification and treatment protocols for fungal nail infections.