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A case of hyperkeratotic crusted scabies
Adrian Cuellar-Barboza1, Jesus A Cardenas-de la Garza1, José A García-Lozano1
1Universidad Autónoma de Nuevo León, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Servicio de Dermatología, Monterrey, Mexico.
Crusted scabies, a severe skin infestation by Sarcoptes scabiei, poses a high risk to immunocompromised individuals. Early diagnosis and isolation are crucial for managing this potentially fatal condition and preventing outbreaks.
Area of Science:
- Dermatology
- Parasitology
- Infectious Diseases
Background:
- Crusted scabies is a rare but severe skin hyperinfestation caused by Sarcoptes scabiei var. hominis.
- It disproportionately affects immunocompromised individuals and those with cognitive or physical disabilities.
Observation:
- Characterized by thick, widespread crusts containing a high mite concentration.
- Other typical scabies signs like papules or burrows may be absent.
- Severe cases present with thick, yellow-brown crusts, plaques, and deep fissures.
Findings:
- Diagnosis relies on identifying mites, ova, or feces in skin scrapings.
- Multiple therapeutic options exist for treatment.
- Patient isolation is critical to prevent institutional outbreaks.
Implications:
- Crusted scabies can lead to high mortality, primarily from sepsis.
- Increased awareness and prompt management are essential to reduce morbidity and mortality.
- Effective control strategies are vital for vulnerable populations.
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