Echinococoza. 40

8/9/2019 Echinococoza. 40

1/41

EchinococoEchinococo

za za

http://www.histopathology-india.net/Echin.htm


2/41


3/41


4/41


5/41

Foxes may be a reservoir of zoonotic agentsFoxes may be a reservoir of zoonotic agents

such as rabies virus and the parasitesuch as rabies virus and the parasite

Echinococcus multilocularis.Echinococcus multilocularis.


6/41

Hydatid disease.Hydatid disease.

Cyst revealed on CT scan (left) and atCyst revealed on CT scan (left) and at

craniotomy (right).craniotomy (right).


7/41

Echinococcosis.Echinococcosis.

Cerebral angiography shoing displacement ofCerebral angiography shoing displacement of

vessels by a large mass in the frontal region.vessels by a large mass in the frontal region.


8/41


9/41

Hydatid disease. !urgical specimen soingHydatid disease. !urgical specimen soing

multiple thin"alled# $uid% &lled cysts.multiple thin"alled# $uid% &lled cysts.


10/41

EchinococcosisEchinococcosis

. Cyst. Cystremoved fromremoved from

patient. patient.


11/41

' large# thic"alled unilocular cyst is ' large# thic"alled unilocular cyst is

characteristic of infestation of Echinococcuscharacteristic of infestation of Echinococcus

granulosus.granulosus.

http://www.fujita-hu.ac.jp/~tsutsumi/photo/photo095-1.htm


12/41

Hidatid disease. Chest radiographs shoingHidatid disease. Chest radiographs shoing

ell"de&ned round lesion in middle zone ofell"de&ned round lesion in middle zone of

right lung.right lung.


13/41

Hydatid disease. Chest radiograph snoingHydatid disease. Chest radiograph snoing

partially evacueted cyst (arroed) in the partially evacueted cyst (arroed) in the

middle yone of the right lung.middle yone of the right lung.


14/41

Echinococcus cyst in right lung of anEchinococcus cyst in right lung of an

adult male.adult male.


15/41

Fluid"&lled echinococcus cyst in the lungs of anFluid"&lled echinococcus cyst in the lungs of an

adolescent male.adolescent male.


16/41

Hydatid disease. CT scan of the thoraxHydatid disease. CT scan of the thorax

shoing hydatid cyst of right lung.shoing hydatid cyst of right lung.


17/41

ross pathology photograph of the membrane andross pathology photograph of the membrane and

hydatid daughter cysts excised from a human lung.hydatid daughter cysts excised from a human lung.

Hydatid disease is a parasitic infestation by aHydatid disease is a parasitic infestation by a

tapeorm of the genus Echinococcus. Endemic areastapeorm of the genus Echinococcus. Endemic areas

usually involve third orld countries. The liver is theusually involve third orld countries. The liver is themost common organ involved# folloed by the lungsmost common organ involved# folloed by the lungs..

http://aapredbook.aappublications.org/content/images/large/2006/1/129_14.jpeghttp://aapredbook.aappublications.org/content/images/large/2006/1/129_14.jpeg


18/41

Echinococcus abscess of liver in an adult# theEchinococcus abscess of liver in an adult# the

most common site of abscess formation.most common site of abscess formation.


19/41

Cysts are fused in the liver parenchyma. E.Cysts are fused in the liver parenchyma. E.

multilocularis is endemic in Hoaido.multilocularis is endemic in Hoaido.


20/41

Echinococcosis. An echinococcal cyst showing daughter cyst, Echinococcosis. An echinococcal cyst showing daughter cyst,

rescted from the liver (left), and histological section showingrescted from the liver (left), and histological section showing

the layers of an hydatid cyst (right).the layers of an hydatid cyst (right).


21/41

ross cross"ross cross"section ofsection of

liver ith aliver ith a

hydatidhydatid

(echinococc(echinococc

al) cyst.al) cyst.The cystThe cyst

consists ofconsists of

a largea large

unilocularunilocularcystcyst

ithith

daughter daughter cysts.cysts.


22/41

Echinococcus cyst in the right lobe of the liverEchinococcus cyst in the right lobe of the liver

in a *+"year"old male. ,ote the striingin a *+"year"old male. ,ote the striing

elevation of the right hemidiaphragm.elevation of the right hemidiaphragm.


23/41

'bdominal radiograph shoing hepatic mass 'bdominal radiograph shoing hepatic mass

(echinococcus cyst).(echinococcus cyst).


24/41

Echinococcosis. Abdominal Echinococcosis. Abdominal

radiograph showing a calcifiedradiograph showing a calcifiedhydatid cyst in the liver.hydatid cyst in the liver.


25/41

-iver cyst due to echinococcus granulosus infection.-iver cyst due to echinococcus granulosus infection.

Computed tomography scan demonstrates a largeComputed tomography scan demonstrates a largemultilocular cystic mass in the liver ith distinctive internalmultilocular cystic mass in the liver ith distinctive internaldaughter cysts characteristic of Echinococcus infection.daughter cysts characteristic of Echinococcus infection. 'pproximately /0 of echinococcal (hydatid) cysts ill 'pproximately /0 of echinococcal (hydatid) cysts illdemonstrate some crescentic or curvilinear calci&cation.demonstrate some crescentic or curvilinear calci&cation.


26/41


27/41

Echinococcosis. Echinococcosis.

Ultrasound scan showing multioculated cyst in liver.Ultrasound scan showing multioculated cyst in liver.


28/41

Echinococcosis. Echinococcosis.

CT scan showing large multioculated cyst in left lobe of liver.CT scan showing large multioculated cyst in left lobe of liver.


29/41

Echinococcosis. Echinococcosis. Endoscopic Endoscopic

retrograderetrograde

cholangiocholangio

pancreatography pancreatography

showingshowing

intrahepaticintrahepatic

hydatid cystichydatid cystic

space drainingspace draining

intointothe biliary tree.the biliary tree.


30/41

Echinococcus granulosus. 1aughter cystsEchinococcus granulosus. 1aughter cysts

ithin a large unilocular cyst# surgicallyithin a large unilocular cyst# surgically

removed from a 2eruvian ,isei. The patientremoved from a 2eruvian ,isei. The patient

died of anaphylactic shoc during surgery.died of anaphylactic shoc during surgery.-eaage of the cyst $uid (hydatid $uid) should-eaage of the cyst $uid (hydatid $uid) should

be avoided.be avoided.


31/41

Echinococcosis. Echinococcosis.(a) scolices of E. granulosus(a) scolices of E. granulosus

(b) hoo!let at a higher magnification.(b) hoo!let at a higher magnification.


32/41

2rotoscolex in the daughter cyst (stereo2rotoscolex in the daughter cyst (stereo

microscopic observation). Hoolets on themicroscopic observation). Hoolets on the

rostellum are characteristic.rostellum are characteristic. 3n old cysts#3n old cysts#

isolated protoscolexes accumulate as hyd atidisolated protoscolexes accumulate as hydatid

sand.sand.

http://www.fujita-hu.ac.jp/~tsutsumi/photo/photo056-8.htmhttp://www.fujita-hu.ac.jp/~tsutsumi/photo/photo056-8.htmhttp://www.fujita-hu.ac.jp/~tsutsumi/photo/photo056-8.htmhttp://www.fujita-hu.ac.jp/~tsutsumi/photo/photo056-8.htm


33/41

4Hydatid sand4. Fluid aspirated from a4Hydatid sand4. Fluid aspirated from a

hydatid cyst ill shos multiple protoscoliceshydatid cyst ill shos multiple protoscolices

(size approximately 6// 7m)# each of hich(size approximately 6// 7m)# each of hichhas typical hoolets.has typical hoolets.


34/41

Echinococcus granulosus. !colices from aEchinococcus granulosus. !colices from a

hydatid cyst shoing both invaginated andhydatid cyst shoing both invaginated and

evaginated hoolets and sucers.evaginated hoolets and sucers.


35/41

!colex of!colex ofEchinococcuEchinococcu

ssgranulosus.granulosus.

The scolex isThe scolex isinvaginatedinvaginated

and has aand has adouble rodouble ro

of hoolets.of hoolets.


36/41

Echinococcus granulosus. 'dultEchinococcus granulosus. 'dult

tapeorm.tapeorm.


37/41

Echinococcosis. Cyst inliver showing laminated, non nuclear Echinococcosis. Cyst inliver showing laminated, non nuclear

layer, nucleated germinal layer with many brood capsuleslayer, nucleated germinal layer with many brood capsules

attached, and multiple scolices within the cyst cavity.attached, and multiple scolices within the cyst cavity.


38/41

8eautiful lamellated structure is8eautiful lamellated structure is

demonstrated in the cyst all by 2'! stain.demonstrated in the cyst all by 2'! stain.

http://www.fujita-hu.ac.jp/~tsutsumi/photo/photo095-3.htm


39/41

!ection!ection

of a hydatidof a hydatid(echinococca(echinococca

l) cyst alll) cyst all

displaying adisplaying alaminatedlaminated

membranemembraneand germinaland germinal

layer.layer.


40/41

Hoolet orHoolet or9scimitar:9scimitar:

fromfrom

EchinococcusEchinococcusgranulosusgranulosus

shoing acid"shoing acid"fast positivity.fast positivity.


41/41

Echinococcosis.Echinococcosis.

Fluid from cystFluid from cyst

vieed undervieed under polarized light polarized light

shoing hooshoing hoo

of hydatid.of hydatid.

Documents

Echinococoza. 40