Morphology Disease
Region
Manifestations
Burrows
Central/South
America
Botfly embryo
penetrates hair
follicle and
develops into a
boil-like pocket
Botfly (myiasis)
Burrowing flea
(tungiasis)
Eschar
Ulcers
Caribbean, Latin
After impregnation,
America, Africa,
female flea
Indian subcontinent
burrows under
skin, releasing
eggs from boillike orifice
S. aureus, group A Global
Shallow, painful,
streptococcus
purulent lesions
that are
secondarily
infected by
pyogenic bacteria
Rickettsial
Africa, Asia
Subcentimeter
diseases
painless lesion at
the site of the tick
bite
Buruli ulcer
Americas, Africa,
Painless progressive
disease
Asia, eastern
ulcers with cotton
(Mycobacterium
Mediterranean
appearance and
ulcerans )
surrounding skin
hyperpigmentation
Leishmaniasis
Latin America
Papules which
(espundia )
become nodules
then shallow
Central Asia
painless ulcers
with raised
borders.
Granulomatous
inflammation can
be destructive;