Prevalence of Nail Scabies: A French Prospective Multicenter Study

Management of scabies in 2019

“…L'atteinte unguéale est rare 1 . Des parasites et des oeufs sont parfois retrouvés sous les ongles et entraînent une hyperkératose sous-unguéale, une onycholyse, une pachyonychie ou une onychoschizie 21 . Ceux-ci sont pris à tort pour un psoriasis ou une onychomycose 22 .…”

“…L'état général de l'enfant est affecté. Le prurit est inconstant 21 . La dermatoscopie est une aide diagnostique non invasive particulièrement adaptée à l'enfant 27 .…”

Periungual scabies in infants: a tough reservoir of mites presenting with lamellar desquamation

“…Nail involvement is a known phenomenon occurring in crusted scabies 4. To date four cases of paediatric nail scabies have been reported, two of which presenting with subungual hyperkeratosis of the affected toenails 4 5…”

“…Subungual hyperkeratosis is rare in paediatric age, and may result from an inflammatory response to the infestation on the nail bed 4 5. Since infants are ineffective scratchers, the mite localisation in the nail folds can manifest with inflammatory periungual desquamation.…”

“…Since infants are ineffective scratchers, the mite localisation in the nail folds can manifest with inflammatory periungual desquamation. Idiopathic nail abnormalities, such as spoon nail or pinch nail, may be predisposing factors for mite persistence in the nail reservoir, which possibly accounts for the high frequency of relapses described in children 2 5…”