Parasitic Infestations CS-OSPE
Cutaneous leishmaniasis
Working in King Salman forest, developed this lesion from Sandfly bite *
Scabies
A 27-year-old man presents with severe itching, that started two weeks ago and has progressively worsened. He reports that his roommates have similar symptoms.
What is the diagnosis?
- Scabies
Describe the morphology seen in the picture:
- Linear burrows, papules, or vesicles with intense pruritus.
Causative organism?
- Sarcoptes scabiei – scabies mite
Name two types of this disease?
- Classical - crusted
What other sites should be examined to support the diagnosis?
- Wrist (flexor aspect)
- Interdigital web spaces
- Groin (genital area)
What investigation is done to confirm the diagnosis? / What in-office procedure would best help to confirm the diagnosis of scabies?
- Skin scraping + mineral oil + microscopic examination / Skin scraping
What will you see?
- Mites, eggs, and scybala (feces)
Treatment options? / First line of treatment is?
- 5% permethrin cream
- Permethrin
- Sulfur
- Lindane
- Crotamiton
- Oral: Ivermectin
Pediculosis Capitis
This kid came with itchy scalp, reported one of her family member has the same. A 10-year-old schoolgirl presented with itchy scalp and when you examined her hair you found this picture.
What is the diagnosis?
- Pediculosis Capitis (head louse) / Head lice (Pediculosis Capitis)
To confirm this diagnosis?
- Seeing nits on the scalp in clinical exam
Treatment options? / Mention one treatment?
-
Permethrin lotion
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Pyrethrin
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Lindane
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Crotamiton
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Oral Ivermectin
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Head lice (Pediculosis Capitis)
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Children
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Body lice (Pediculosis Corporis)
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Homeless people and vagrants
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Public lice (Pediculosis Pubis)
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STD (partner should be treated)