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