Figure 20.1
Onychomycosis of fingernails
Clinical Differential Diagnosis
(Friable nail)
Psoriatic nail
Bacteria infection
Fungal/Yeast infection
Mixed fungal and bacteria infection
Lichen planus
Pachyonchia Congenita
Histopathology
The nail clipping was sectioned and measured at 0.5 × 0.2 × 0.1 cm. The Gram stains showed gram-positive cocci. The PAS stain showed branching, septated hyphae (Fig. 20.2).
Figure 20.2
PAS stain 1,000×, Fungal hyphae (red) are found within the nail plate