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Chapter 13 : Intestinal Cestodes
Editor:
Lynne S. Garcia1
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Affiliations:
1: LSG & Associates, Santa Monica, California
Content Type: Reference
Publication Year:
2007
Category: Clinical Microbiology
Book DOI:
10.1128/9781555816018
Chapter DOI:
10.1128/9781555816018.ch13
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Abstract:
Cestodes have complex life cycles that usually involve both the intermediate and definitive hosts. In some infections, humans serve as only the definitive hosts, with the adult worm in the intestine (Diphyllobothrium latum, Taenia saginata, Hymenolepis diminuta, and Dipylidium caninum). In other cases, humans can serve as both the definitive and intermediate hosts (Taeniasis solium and Hymenolepsis nana). About 40% of patients infected with D. latum have reduced vitamin B12 levels, but fewer than 2% develop anemia. The use of both praziquantel and niclosamide has been recommended. A single dose of praziquantel (5 to 10 mg/kg of body weight) both adults and children eliminates the infection in 90% of patients. Cysticercosis infections with T. solium larvae are relatively common in certain parts of the world. The presence of cysticerci in the brain represents the most frequent parasitic infection of the human nervous system and the most common cause of adult-onset epilepsy throughout the world. For a number of reasons, T. solium is a candidate for control: (i) neurocysticercosis has a tremendous impact on human health; (ii) since T. solium is the only source of cysticercosis for both humans and pigs, it may be epidemiologically controllable; (iii) effective and practical therapeutic intervention is available; (iv) international commitment to the use of control measures is present; and (v) the cost is acceptable. The chapter talks about T. saginata, T. saginata asiatica, Hymenolepis nana, Hymenolepis diminuta, and Dipylidium caninum.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
Figures
Intestinal Cestodes
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13alg1
Algorithm 13.1
Taenia solium, T. saginata, and Diphyllobothrium latum.
10.1128/9781555816018/ch13alg1_thmb.gif
10.1128/9781555816018/ch13alg1.gif
Algorithm 13.1
Taenia solium, T. saginata, and Diphyllobothrium latum.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig01
Figure 13.1
Life cycle of Diphyllobothrium latum.
10.1128/9781555816018/ch13fig1_thmb.gif
10.1128/9781555816018/ch13fig1.gif
Figure 13.1
Life cycle of Diphyllobothrium latum.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig02
Figure 13.2
Scolex of Diphyllobothrium latum.
10.1128/9781555816018/ch13fig2_thmb.gif
10.1128/9781555816018/ch13fig2.gif
Figure 13.2
Scolex of Diphyllobothrium latum.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig03
Figure 13.3
Gravid proglottids. (
1
) Taenia saginata; (
2
) T. solium; (
3
) Diphyllobothrium latum; (
4
) Dipylidium caninum.
10.1128/9781555816018/ch13fig3_thmb.gif
10.1128/9781555816018/ch13fig3.gif
/content/10.1128/9781555816018.ch13.ch13fig04
Figure 13.4
Gravid proglottids of Diphyllobothrium latum. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman. Slides from J. F. Mueller.)
10.1128/9781555816018/ch13fig4_thmb.gif
10.1128/9781555816018/ch13fig4.gif
Figure 13.4
Gravid proglottids of Diphyllobothrium latum. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman. Slides from J. F. Mueller.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig05
Figure 13.5
Diphyllobothrium latum eggs. Note the small knob at the abopercular end (end opposite the operculum); also note that the operculum does not fit into “shoulders” like the Paragonimus eggs but presents a smooth outline on the egg shell.
10.1128/9781555816018/ch13fig5_thmb.gif
10.1128/9781555816018/ch13fig5.gif
Figure 13.5
Diphyllobothrium latum eggs. Note the small knob at the abopercular end (end opposite the operculum); also note that the operculum does not fit into “shoulders” like the Paragonimus eggs but presents a smooth outline on the egg shell.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig06
Figure 13.6
Copepod. (Illustration by Sharon Belkin.)
10.1128/9781555816018/ch13fig6_thmb.gif
10.1128/9781555816018/ch13fig6.gif
Figure 13.6
Copepod. (Illustration by Sharon Belkin.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig07
Figure 13.7
Diphyllobothrium latum, encysted pleurocercoids in cherry salmon fillet. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman. Photograph courtesy of T. Oshima, Yokohama City University.)
10.1128/9781555816018/ch13fig7_thmb.gif
10.1128/9781555816018/ch13fig7.gif
Figure 13.7
Diphyllobothrium latum, encysted pleurocercoids in cherry salmon fillet. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman. Photograph courtesy of T. Oshima, Yokohama City University.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig08
Figure 13.8
Life cycle of Taenia solium.
10.1128/9781555816018/ch13fig8_thmb.gif
10.1128/9781555816018/ch13fig8.gif
Figure 13.8
Life cycle of Taenia solium.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig09
Figure 13.9
(A) Cysticerci in muscle (pork). (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.) (B) Cysticerci in muscle (dog). (Courtesy of W. Jann Brown and Marietta Voge, University of California, Los Angeles.)
10.1128/9781555816018/ch13fig9_thmb.gif
10.1128/9781555816018/ch13fig9.gif
Figure 13.9
(A) Cysticerci in muscle (pork). (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.) (B) Cysticerci in muscle (dog). (Courtesy of W. Jann Brown and Marietta Voge, University of California, Los Angeles.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig10
Figure 13.10
Scolex of Taenia solium.
10.1128/9781555816018/ch13fig10_thmb.gif
10.1128/9781555816018/ch13fig10.gif
Figure 13.10
Scolex of Taenia solium.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig11
Figure 13.11
Gravid proglottid of Taenia solium.
10.1128/9781555816018/ch13fig11_thmb.gif
10.1128/9781555816018/ch13fig11.gif
Figure 13.11
Gravid proglottid of Taenia solium.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig12
Figure 13.12
Taenia eggs. Note the striated shell and the presence of the six-hooked oncosphere within the thick egg shell. The hooks may not be visible in every egg, particularly in specimens that have been stored for long periods in preservatives; however, in clinical specimens submitted to the laboratory in fixatives for timely examination, the hooklets are generally visible within the egg shell. Without special staining, the eggs of Taenia spp. cannot be identified to the species level (T. solium, T. saginata, T. asiatica).
10.1128/9781555816018/ch13fig12_thmb.gif
10.1128/9781555816018/ch13fig12.gif
Figure 13.12
Taenia eggs. Note the striated shell and the presence of the six-hooked oncosphere within the thick egg shell. The hooks may not be visible in every egg, particularly in specimens that have been stored for long periods in preservatives; however, in clinical specimens submitted to the laboratory in fixatives for timely examination, the hooklets are generally visible within the egg shell. Without special staining, the eggs of Taenia spp. cannot be identified to the species level (T. solium, T. saginata, T. asiatica).
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig13
Figure 13.13
(A) Cysticercus with head invaginated into the bladder. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.) (B) Scanning electron micrograph of scolex from cysticercus. (Photograph courtesy of U.S. Department of Agriculture).
10.1128/9781555816018/ch13fig13_thmb.gif
10.1128/9781555816018/ch13fig13.gif
Figure 13.13
(A) Cysticercus with head invaginated into the bladder. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.) (B) Scanning electron micrograph of scolex from cysticercus. (Photograph courtesy of U.S. Department of Agriculture).
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig14
Figure 13.14
Gross specimen of brain containing many cysticerci. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
10.1128/9781555816018/ch13fig14_thmb.gif
10.1128/9781555816018/ch13fig14.gif
Figure 13.14
Gross specimen of brain containing many cysticerci. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig15
Figure 13.15
Cysticercus in the eye. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman. Photograph courtesy of R. Delgado y Garnica, Hospital Infantil de Tacubaya, Arq. Carlos Laxo y Gaviota, Mexico D.F.)
10.1128/9781555816018/ch13fig15_thmb.gif
10.1128/9781555816018/ch13fig15.gif
Figure 13.15
Cysticercus in the eye. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman. Photograph courtesy of R. Delgado y Garnica, Hospital Infantil de Tacubaya, Arq. Carlos Laxo y Gaviota, Mexico D.F.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig16
Figure 13.16
Racemose form of Taenia solium cysticercus, left temporal lobe (filmy, white material). (Courtesy of W. Jann Brown and Marietta Voge, University of California, Los Angeles.)
10.1128/9781555816018/ch13fig16_thmb.gif
10.1128/9781555816018/ch13fig16.gif
Figure 13.16
Racemose form of Taenia solium cysticercus, left temporal lobe (filmy, white material). (Courtesy of W. Jann Brown and Marietta Voge, University of California, Los Angeles.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig17
Figure 13.17
Taenia solium. Section of proliferating bladder wall of racemose cysticercus, demonstrating multiple layers. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
10.1128/9781555816018/ch13fig17_thmb.gif
10.1128/9781555816018/ch13fig17.gif
Figure 13.17
Taenia solium. Section of proliferating bladder wall of racemose cysticercus, demonstrating multiple layers. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig18
Figure 13.18
Calcified cysticerci in tissue. (Armed Forces Institute of Pathology photograph.)
10.1128/9781555816018/ch13fig18_thmb.gif
10.1128/9781555816018/ch13fig18.gif
Figure 13.18
Calcified cysticerci in tissue. (Armed Forces Institute of Pathology photograph.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig19
Figure 13.19
Neurocysticercosis. Scanning images of cysticerci in brain. (Upper, adapted from the Public Health Image Library, Centers for Disease Control and Prevention; lower, from A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
10.1128/9781555816018/ch13fig19_thmb.gif
10.1128/9781555816018/ch13fig19.gif
Figure 13.19
Neurocysticercosis. Scanning images of cysticerci in brain. (Upper, adapted from the Public Health Image Library, Centers for Disease Control and Prevention; lower, from A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig20
Figure 13.20
Life cycle of Taenia saginata. The same life cycle is applicable to T. asiatica (except that the eggs are contained primarily in the liver of the pig).
10.1128/9781555816018/ch13fig20_thmb.gif
10.1128/9781555816018/ch13fig20.gif
Figure 13.20
Life cycle of Taenia saginata. The same life cycle is applicable to T. asiatica (except that the eggs are contained primarily in the liver of the pig).
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig21
Figure 13.21
Scolex of Taenia saginata.
10.1128/9781555816018/ch13fig21_thmb.gif
10.1128/9781555816018/ch13fig21.gif
Figure 13.21
Scolex of Taenia saginata.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig22
Figure 13.22
Gravid proglottid of Taenia saginata.
10.1128/9781555816018/ch13fig22_thmb.gif
10.1128/9781555816018/ch13fig22.gif
Figure 13.22
Gravid proglottid of Taenia saginata.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig23
Figure 13.23
Taenia saginata asiatica (Taenia asiatica). (Left) Scolex (unarmed, no hooks) from cysticercus; (right) scolex from adult worm. (Photographs courtesy of Ping-Chin Fan, with permission.)
10.1128/9781555816018/ch13fig23_thmb.gif
10.1128/9781555816018/ch13fig23.gif
Figure 13.23
Taenia saginata asiatica (Taenia asiatica). (Left) Scolex (unarmed, no hooks) from cysticercus; (right) scolex from adult worm. (Photographs courtesy of Ping-Chin Fan, with permission.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig24
Figure 13.24
Taenia saginata asiatica (Taenia asiatica). (Upper) Gravid proglottid. (Lower) Gravid proglottid (note the large number of uterine branches and the similarity of this proglottid to the one of Taenia saginata in
Figure 13.22
). (Photographs courtesy of Ping-Chin Fan, with permission.)
10.1128/9781555816018/ch13fig24_thmb.gif
10.1128/9781555816018/ch13fig24.gif
Figure 13.24
Taenia saginata asiatica (Taenia asiatica). (Upper) Gravid proglottid. (Lower) Gravid proglottid (note the large number of uterine branches and the similarity of this proglottid to the one of Taenia saginata in Figure 13.22 ). (Photographs courtesy of Ping-Chin Fan, with permission.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig25
Figure 13.25
Taenia saginata asiatica (Taenia asiatica). Cross section of cysticercus. (Photograph courtesy of Ping-Chin Fan, with permission.)
10.1128/9781555816018/ch13fig25_thmb.gif
10.1128/9781555816018/ch13fig25.gif
Figure 13.25
Taenia saginata asiatica (Taenia asiatica). Cross section of cysticercus. (Photograph courtesy of Ping-Chin Fan, with permission.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig26
Figure 13.26
Life cycle of Hymenolepis nana.
10.1128/9781555816018/ch13fig26_thmb.gif
10.1128/9781555816018/ch13fig26.gif
Figure 13.26
Life cycle of Hymenolepis nana.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig27
Figure 13.27
Hymenolepis nana. (Upper) Diagram of both a cysticercoid and adult worm in the small intestine. (Illustration by Sharon Belkin.) (Lower) Cysticercoids of H. nana in the villi of the small intestine. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
10.1128/9781555816018/ch13fig27_thmb.gif
10.1128/9781555816018/ch13fig27.gif
Figure 13.27
Hymenolepis nana. (Upper) Diagram of both a cysticercoid and adult worm in the small intestine. (Illustration by Sharon Belkin.) (Lower) Cysticercoids of H. nana in the villi of the small intestine. (From A Pictorial Presentation of Parasites: A cooperative collection prepared and/or edited by H. Zaiman.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig28
Figure 13.28
(Left) Egg of Hymenolepis nana (note the thin egg shell, the six-hooked oncosphere, and the polar filaments that lie between the oncosphere and egg shell). (Right) Egg of Hymenolepis diminuta (note the thin egg shell, the six-hooked oncosphere, and the lack of polar filaments.)
10.1128/9781555816018/ch13fig28_thmb.gif
10.1128/9781555816018/ch13fig28.gif
Figure 13.28
(Left) Egg of Hymenolepis nana (note the thin egg shell, the six-hooked oncosphere, and the polar filaments that lie between the oncosphere and egg shell). (Right) Egg of Hymenolepis diminuta (note the thin egg shell, the six-hooked oncosphere, and the lack of polar filaments.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig29
Figure 13.29
Life cycle of Hymenolepis diminuta.
10.1128/9781555816018/ch13fig29_thmb.gif
10.1128/9781555816018/ch13fig29.gif
Figure 13.29
Life cycle of Hymenolepis diminuta.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig30
Figure 13.30
Life cycle of Dipylidium caninum.
10.1128/9781555816018/ch13fig30_thmb.gif
10.1128/9781555816018/ch13fig30.gif
Figure 13.30
Life cycle of Dipylidium caninum.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig31
Figure 13.31
Proglottids of Dipylidium caninum. (Upper) Fresh proglottid that may resemble a cucumber seed (note the shape and light color); when the proglottids dry, they may resemble rice grains. (Lower) Stained proglottid. (Photographs from the Centers for Disease Control and Prevention Program: Laboratory Identification of Parasites of Public Health Concern.)
10.1128/9781555816018/ch13fig31_thmb.gif
10.1128/9781555816018/ch13fig31.gif
Figure 13.31
Proglottids of Dipylidium caninum. (Upper) Fresh proglottid that may resemble a cucumber seed (note the shape and light color); when the proglottids dry, they may resemble rice grains. (Lower) Stained proglottid. (Photographs from the Centers for Disease Control and Prevention Program: Laboratory Identification of Parasites of Public Health Concern.)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13fig32
Figure 13.32
Dipylidium caninum egg packets. (Upper) Diagram showing the packet of Taenia-like eggs. (Lower) Egg packet in wet mount preparation.
10.1128/9781555816018/ch13fig32_thmb.gif
10.1128/9781555816018/ch13fig32.gif
Figure 13.32
Dipylidium caninum egg packets. (Upper) Diagram showing the packet of Taenia-like eggs. (Lower) Egg packet in wet mount preparation.
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
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Tables
Intestinal Cestodes
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13tab01
Table 13.1
Cestode parasites (intestinal)
Table 13.1
Cestode parasites (intestinal)
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13
/content/10.1128/9781555816018.ch13.ch13tab02
Table 13.2
Classification of neurocysticercosis
a
Table 13.2
Classification of neurocysticercosis a
Citation:
Garcia L.
2007.
Intestinal Cestodes,
p 357-380.
In
Diagnostic Medical Parasitology, Fifth Edition.
ASM Press, Washington, DC.
doi: 10.1128/9781555816018.ch13