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HELMINTI 2
Asistent universitar NEAGOE IONELA
Medicina generala UMF Carol Davila
Nematode
Ascaris lumbricoides (Limbricul omului)
Ascaris lumbricoides (Limbricul omului)
Ciclu de migrare
perienteric al
larvei
Larva inghitita
odata cu sputa
ajunge in
intestinul subtire
unde se
transforma in
adult Ou cu
larva
Pe sol
Ascaris lumbricoides VIERMI ADULTI
Extremitate caudala mascul rasucita ca un carlig
Ascaris lumbricoides
Examen
coproparazitologic
= Preparat proaspat
L+ l din fecale + SF
Stadiul de OU FECUNDAT (60m)
Ascaris lumbricoides (Limbricul)
Examen
coproparazitologic
= Preparat proaspat
L+ l din fecale + SF
Stadiul de OU NEFECUNDAT (80m)
Ascaris lumbricoides
Larva
OU fecundat cu LARVA in interior = stadiul infectant dezvoltat pe sol
Ascaris lumbricoides (Limbricul) Cristal Charcot-Leyden indiciu a unei eozinofilii pulmonare
Examen
coproparazitologic
= Preparat proaspat
L+ l din fecale + SF
Toxocara canis (Limbricul cainelui) Toxocara cati (Limbricul pisicii)
La om ciclu
perienteric
incomplet
(larva
ramane
cantonata in
diferite
viscere)
Toxocara canis (Limbricul cainelui)
Toxocara sp. VIERMI ADULTI
Toxocara canis (Limbricul cainelui) Toxocara cati (Limbricul pisicii)
Examen
coproparazitologic
= fecale CAINE /
PISICA
Stadiul de OU FECUNDAT (70m)
Toxocaroza = Larva Migrans Visceralis
Rx pulmonar mici noduli (contin larvele) pulmonari inconjurati de infiltratii leucocitare cu caracter migrator
Toxocaroza = Larva Migrans
Ocularis
Granulom
retinian
solitar
Zona
maculara
pliul de tractiune
decolare de retina
Examen oftalmoscopic
Trichiuris trichiura (Viermele bici)
Trichiuris trichiura (Viermele bici)
Pe
sol
Trichiuris trichiura VIERMI ADULTI
; femela adult
mascul adult
Trichiuris trichiura
Prolaps rectal
VIERMI ADULTI
http://tmcr.usuhs.mil/tmcr/chapter17/large17/17-07A.jpg
Trichiuris trichiura Stadiu de OU (55m)
Examen
coproparazitologic =
Preparat proaspat L+ l din
fecale + solutie Lugol
Enterobius vermicularis (Oxiurul)
Enterobius vermicularis
Enterobius vermicularis (Oxiurul)
mascul adult
; femela adult
Esofag
bicameral
Infectie
severa
perianala
VIERMI ADULTI
http://www.google.ro/url?sa=i&rct=j&q=femele+pinworm&source=images&cd=&cad=rja&docid=vWwXfxkYHamvoM&tbnid=uVXMCTQfYdIhkM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.peasebrookequineclinic.com%2Fparasites_pinworm.html&ei=m7dMUYDeH4GatQbJy4HYCA&bvm=bv.44158598,d.bGE&psig=AFQjCNHnOFQbm25jw0Be1R4zLcuvQ-uDNw&ust=1364068626386251http://www.google.ro/url?sa=i&rct=j&q=perianal+femele+pinworm&source=images&cd=&cad=rja&docid=NLL65owaeZQ62M&tbnid=SHMpup3QoqhfsM:&ved=0CAUQjRw&url=http%3A%2F%2Fquizlet.com%2F15652219%2Fnematodes-and-trematodes-flash-cards%2F&ei=m7lMUfemA8SmtAbKqYBI&bvm=bv.44158598,d.bGE&psig=AFQjCNFLcXL5w358Bd0WZEBpR0GvMRKPKQ&ust=1364069090729703
Enterobius vermicularis Colonoscopie VIERME ADULT
Enterobius vermicularis Stadiu de OU (50m)
Examen
microscopic
Test de
ampretare
anala
Hookworms Ancylostoma duodenale
Necator americanus Ancylostoma caninum
Ancylostoma duodenale Necator americanus (Hookworms)
strongiloid
In prezenta
unei potentiale
gazde
Larva
strongiloida
Ciclu perienteric
al larvei
strongiloide
(sange- plaman-
intestin)
Ancylostoma duodenale
VIERMI ADULTI
Ancylostoma duodenale VIERME ADULT cap cu capsula bucala
Ancylostoma duodenale
Examen coproparazitologic = Preparat proaspat L+ l din fecale + SF
Stadiu de OU (60m)
Morula cu 4 blastomere
Necator americanus VIERME ADULT cap cu capsula bucala
Necator americanus Stadiu de OU (70m)
Examen coproparazitologic = Preparat proaspat L+ l din fecale + SF
Ancylostoma caninum (Hookworm)
Larva strongiloida infectioasa la om ramane sechestrata in derm
LMC la om
Larva migrans cutanata (LMC)
Ancylostoma caninum
Strongiloides stercoralis
Strongiloid larvae
Strongiloid larvae enter Ciclu perienteric
al larvei
strongiloide
Strongiloides stercoralis
Strongiloides stercoralis I stadiul larvar = LARVA RHABDITOIDA
Examen coproparazitologic = Preparat proaspat L+ l din fecale + SF
Esofag rabditoid (bicameral)
Tehnica coproculturii cu carbune vegetal Examen microscopic larve strongiloide dezvoltate prin
coprocultura pe carbune
Strongiloides stercoralis II stadiul larvar = LARVA STRONGILOIDA = Larva Filariforma
Esofag unicameral
Trichinella spiralis
Trichinella spiralis
Trichinella spiralis
Lame compresor Examinare la trichineloscop
Trichinella spiralis Chisti musculari = LARVE INCAPSULATE in fibre musculare
Examen trichineloscopic
http://www.google.ro/url?sa=i&rct=j&q=trichinella+%3Barvae&source=images&cd=&cad=rja&docid=00y7I-iMgtMDMM&tbnid=eP-4eIQyyeyMWM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.smittskyddsinstitutet.se%2Fpresstjanst%2Fpressbilder%2Fparasiter%2F&ei=AthMUa6MKcbWsgbZmIG4Cw&psig=AFQjCNGSTxgV_GVUkBitS1YyyYSYiw_W1w&ust=1364076658359877
Nematode evoluate = Filarii
Filarii limfatice
1. Wuchereria bancrofti
Wuchereria bancrofti
Wuchereria bancrofti Tantarul - Anopheles sp
http://de.wikipedia.org/wiki/Bild:Anopheles_bei_der_Blutmahlzeit.jpg
Wuchereria bancrofti Tantarul -Culex salinarius
Wuchereria bancrofti Tantarul - Aedes sp
Wuchereria bancrofti
Elefentiazis
Wuchereria bancrofti
Elefentiazis
Wuchereria bancrofti
I Stadiu LARVAR = MICROFILARIE
Examen
hematologic =
Frotiu SANGE
PERIFERIC
coloratie
GIEMSA
Nuclei
somatici
Varf coada
Spatiu
caudal
Teaca hialina slab
colorata
Wuchereria bancrofti
Chilurie
Limfangiografie
http://www.emedicine.com/cgi-bin/foxweb.exe/makezoom@/em/makezoom?picture=/websites/emedicine/derm/images/Large/197722_19771977der0154-22.jpg&template=izoom2
Wuchereria bancrofti
Inregistrare Semn dans filarie
US Doppler pulsatila scrotala
2. Brugia malayi
Brugia malayi
Brugia malayi
Tantar = Mansonia sp Anopheles sp
http://de.wikipedia.org/wiki/Bild:Anopheles_bei_der_Blutmahlzeit.jpg
Brugia malayi
Elefantiasis in cizma
Teaca
hialina Varf coada
I Stadiu LARVAR = MICROFILARIE
Examen
hematologic =
Frotiu SANGE
PERIFERIC
coloratie
GIEMSA
Brugia malayi
http://www.google.ro/url?sa=i&rct=j&q=brugia+malayi+microfilariae&source=images&cd=&cad=rja&docid=LUWeVCaiwipWmM&tbnid=rQKB9uIQxugJDM:&ved=0CAUQjRw&url=http%3A%2F%2Fparasitewonders.blogspot.com%2F2011_11_01_archive.html&ei=F99MUYXLE4nWsgb9voEg&psig=AFQjCNHO_aB_pe4NfHIhg3MVMHI7uWNgTQ&ust=1364078713477794
Filarii subcutanate
1. Onchocerca volvulus
Onchocerca volvulus
Onchocerca volvulus Simulium damnosus = musca neagra
Habitatul natural al lui Simulium = apele
curgatoare
Onchocerca volvulus
Onchocercom =
Nodul subcutanat
Ghem adulti
VIERMI ADULTI
Onchocerca volvulus
I Stadiu LARVAR = MICROFILARIE
Frotiu din suspensie TESUT DERMIC recoltat bioptic superficial (EX-SANGVIN)
coloratie Giemsa
Fara teaca hialina
Spatiu caudal
Onchocerca volvulus Dermatita pruriginoasa + tulburari de melanogeneza
Piele de
leopard
Onchocerca volvulus Hanging groin = Sorturi inghinale
Onchocerca volvulus River blindness - Keratita semilunara sclerozanta
2. Loa-Loa
Loa-Loa
Loa-Loa Chrysops = Musca rosie
Loa-Loa
VIERME ADULT migrare dermica
Loa-Loa
VIERME
ADULT
migrare
conjunctivala =
Conjunctivita
Examen
hematologic =
Frotiu SANGE
PERIFERIC
coloratie
GIEMSA
Varf coada
Teaca hialina Loa-Loa
I Stadiu LARVAR = MICROFILARIE
http://www.google.ro/url?sa=i&rct=j&q=Loa+loa+microfilariae&source=images&cd=&cad=rja&docid=Bmc6asJ7InfdAM&tbnid=A7LuDOtPdXNygM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.stanford.edu%2Fgroup%2Fparasites%2FParaSites2001%2Floiasis%2Floaloa.html&ei=Su1MUYWVM4SztAbRsICQDw&psig=AFQjCNG59mHPOfjVF_X_ByrB1SdPJAa4qw&ust=1364082233255400
3. Dracunculus medinensis (Viermele de Medina)
Dracunculus medinensis (Viermele de Medina)
Dracunculus medinensis
VIERME ADULT = femela adult cu migrare subcutanata
http://tmcr.usuhs.mil/tmcr/chapter27/large27/27-06A.jpg
Dracunculus medinensis Ulceratie cutanata provocata de femela adult in contact cu apa
Dracunculus medinensis Tehnica Avicenna
ECTOPARAZITI
Acarieni
1. Sarcoptes scabie
2. Ixodes sp (Capusa)
Sarcoptes scabie
Sarcoptes scabie Femela adult
Mascul adult
1
2
3
4
Diagnosticul diferential morfologic al adultilor = dimensiune si aspect
terminati perechi picioare (4)
http://www.google.ro/url?sa=i&rct=j&q=male+adult+of+Sarcoptes+scabiei&source=images&cd=&cad=rja&docid=TkqMi2iMMriZ9M&tbnid=Gs4s1pCVjFgr1M:&ved=0CAUQjRw&url=http%3A%2F%2Fhealthwise-everythinghealth.blogspot.com%2F2009_10_01_archive.html&ei=2uRMUeynJJGHswaGnIAo&psig=AFQjCNEp0ORrcwuURfc7kS2LNrv4HEDXJg&ust=1364080101160718
Vezicula
perlata
Sant acarian
Sarcoptes scabie
Sarcoptes scabie Scabie norvegiana la imunosupresati
Insecte parazite
1. Pediculus humanus capitis (Paduche de cap) 2. Pediculus humanus corporis (Paduche de corp) 3. Phtirius pubis (Paduchele lat)
Pediculus humanus capitis
Pediculus humanus capitis (Paduche cap)
ADULT
Pediculus humanus corporis (Paduche corp)
ADULT
Abdomen Torace Cap
Picioare terminate
cu gheare aspect
cleste
Phtirius pubis (Paduchele lat) ADULT
Phtirius pubis Stadiul de OU = LINDEN
Opercul sifonat
Larva
Acarieni
Ixodes sp
Ixodes sp (Capusa)
Cuplu de ADULTI
Mascul adult cu
scut chitinos
mare Femela adult
http://upload.wikimedia.org/wikipedia/commons/7/72/Ixodes_ricinus_ticks.jpg
Ixodes sp
Scut chitinos mic
Femela adult
Chelicere
Hipostom
4 perechi picioare terminate cu
o ventuza si 2 gheare
Parte
dorsala
corp
capusa
http://upload.wikimedia.org/wikipedia/commons/4/4b/Ixodes_ricinus.jpg
Ixodes sp Modaliatea cea sigura de extragere a capusei infipte in tegument
Ixodes sp
femela adult de Ixodes holocyclus localizata in tegumentul din spatele urechi stangi
Paralizie faciala pe partea stanga indusa de toxinele inoculate odata cu saliva