Equestrian perniosis

Equestrian perniosis
Synonyms	Chilblains, Pernio
Pronounce	N/A
Specialty	Dermatology
Symptoms	Red or purple skin lesions, itching, burning sensation
Complications	Infection, ulceration
Onset	Cold weather exposure
Duration	Several weeks
Types	N/A
Causes	Cold and damp conditions
Risks	Horse riding in cold weather, poor circulation
Diagnosis	Clinical diagnosis
Differential diagnosis	Frostbite, Raynaud's phenomenon, Erythromelalgia
Prevention	Warm clothing, avoiding cold exposure
Treatment	Keeping warm, topical corticosteroids, nifedipine
Medication	N/A
Prognosis	Good with treatment
Frequency	Rare
Deaths	N/A

Equestrian perniosis is a skin condition that presents on the lateral thighs of equestrians who ride on cold damp days.

Cause

Riding a horse on cold damp days

Clinical features

tender burning nodular plaques on their bilateral thighs after riding in the cold.

Resolution

These lesions tend to resolve rapidly with minimal exposure to cold, and wearing loose, layered warm clothing.

Histology

• The histology of this disease is similar to perniosis
• In Equestrian perniosis, perivascular lymphocytic infiltrate prominently involves the fat.

Treatment

It usually resolves on its own with stopping the activity of riding a horse on cold damp days.

See also

• Chilblains
• List of cutaneous conditions