Parasitic infections of skin

Question 1

hookworm infection

Answer 1

ancylostoma braziliense - seen after recent travel to Caribbean and see erythematous serpiginous pururtic skin lesion. Rash resembles cutaneous larva migranes

Question 2

cutaneous larva migrans

Answer 2

it starts as skin lesion with a stinging sensation or pruritic skin lesion as larvae penetrates the skin. Seen in in travelers returning from Caribbean, Africa, Southeast Asia and sometimes central or south america. This is from accidental skin penetration with contaminated soil and subsequent larvae migration.

Question 3

cutaneous larva migrans transforms into a

Answer 3

serpiginous reddish brown lesion = this is when larva migrate over 2-3 days.

Question 4

Diagnosis of hook worm infection

Answer 4

clinical diagnosis by physical exam and history. Rarely see any pulmonary involvement

Question 5

treatment of hookworm infection

Answer 5

Ivermectin or albendazole for symptom relief

Question 6

cutaneous leishmaniasis

Answer 6

protozoan parasite that is transmitted to humans via sandfly bites presents as red papule that forms and ulcer with granulomatous tissue at base with raised margins

Question 7

eumycetoma is from

Answer 7

chronic granulomatous fungal dx that affects llower extremity (particularly single foot)

Question 8

Eumycetoma

Answer 8

single hard painless lump with sinus tracts draining pus or mycotic grains. It can eventually involve underlying muscles and bones and persist for years

Question 9

Swimmer’s itch

Answer 9

caused by schistosomatiodea or a water borne parasite blood fluke and presents as pruritic maculopapular rash occurring within hours of exposure to contaminated water.

Question 10

swimmer’s itch rash

Answer 10

limited to areas where the body was immersed in water. The schistomas cannot complete development in humans but can cause rapid severe inflammatory response with repeat exposure.