dijagnostika parazitskih infekcija dig. trakta
TRANSCRIPT
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DIJAGNOSTIKA PARAZITSKIH INFEKCIJA DIG. TRAKTA
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Metode pregleda klini�kog materijala:
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��������� ���������� ��� � �������� � ��� � ���� �� � ���
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Pregled stolice na protozoeMinimum 3 uzorka
• konzervacija (fiksacija) uzoraka stolice formalin, MIF, PVA
Metode pregleda�makroskopski pregled /boja, konzistencija,
krv i sluzkrv i sluz�mikroskopski pregled: direktni nativni
preparati FR, Lugol, MIF• koncentracione metode /sedimentacione,
flotacione • bojeni /trajni preparati• nativni i bojeni preparati sa kulture
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E. histolytica - dijagnoza ������� ��� ���� �� ���� ��� �� �� ��
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� � �� �� ��� ��� ���� �� ���������• Dokazivanje Ag u stolici
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ���� �� (��
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Forma histolytica
Heidenhein bojenje Nativni preparat
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Forma cista
Nativni preparat sa Nativni preparatLugolovim rastvorom E. histolytica
E. coli
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G. lamblia – sluznica duodenuma
Histopatološki preparat Elektronska mikroskopija
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G. lamblia – diagnoza
• Uzorak � �� � �� � �� ��� ��)� ���� '����� � ������ž������ ���� � �� �� �
� � � � � � � � � � � � � � � � � ���� ���� �� �� � ��� �� � � � � � � � � � � � � � � � � ���� ���� �� �� � ��� ���� �� �
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� � � � � � � � � � � � � � � � � � � �
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G. lamblia
Vegetativni oblik (Giemsa) Cista (nativni)
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Cryptosporidium parvum
� Uzorak ��� ����
� � � � � � � � � � � � � � � ! " � ��� ��� ����� ��� ���� ��! " ���� ��� ����* ��" �� �" � � �&�� � �� � � +��� �'! " ���� ��� ����* ��" �� �" � � �&�� � �� � � +��� �'
� ������� � ��� ���
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Laboratorijska dijagnoza infekcija digestivnog trakta izazvanih helmintima
Pregled stolice na helminte:• Neophodno je pregledati minimum � uzorka uzeta u intervalu
od (#� ����� � ���� ����������
• Rastvori za konzervaciju (fiksaciju) uzoraka stolice su &� �" � ��� �, -.�/ 0 1
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Metode pregleda stolice:• makroskopski pregled �� � #����� ���� � � �� �������� ������������� � �� #��� ���
• mikroskopski pregled 2 � � ���� ���� �� ��.3 ��
Neophodno je uzorak stolice koncentrovati
!���� �� � ��� 2 � �������� 1 � �1 �
!" � ������ �� ���� � ���'/ 4 3
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E. vermicularis
Adult Jaja
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Perianalni bris (otisak)
Uzimanje perianalnog brisa Jaja
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A. lumbricoides – odrasli paraziti
Odrasli paraziti u stolici Mužjak i ženka
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A. lumbricoides - jaja
Nativni preparat – jaja Nesegmentirano i segmentirano
jaje
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T. trichiura – odrasli paraziti
Ženka i mužjak
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T. trichiura - jaja
Nativni preparat – jaja Nesegmentirano i segmentirano jaje
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S. stercoralis - dijagnozaLaboratorijska dg.:Nalaz larvi (R ili F) u svežem bolesni�kom materijalu:• duodenalni sok• stolica • sputum, urin i likvor
S. Stercoralis - larva (direktan nativni preparat
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Trichinella spiralisLaboratorijska dg.: I stadijum - nalaz larvi i odraslih parazita u fecesuII stadujum - serološke reakcije!!!III stadijum - biopsija miši�a
Trichinella spiralis – larve
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Hymenolepis nana
Odrasli oblik Jaje
Laboratorijska dg.
nalaz jaja i proglotisa u fecesu
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Morfologija glave Taenia
Scolex T. solium Scolex T. saginata
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Morfologija �lan�i�a Taenia
Odrasli oblik Proglotisi T. saginata i T. solium
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Jaje Taenia
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F. hepatica
Laboratorijska dg fascioloze:a) nalaz jaja u fecesu b) nalaz jaja u žu�ic) serološke reakcije