線蟲I Flashcards

1
Q

廣東住血線蟲Angiostrongylus cantonensis生長史?

A

1.成蟲在大鼠肺動脈產卵
2.卵到肺部微血管孵化為L1
3.L1到咽喉隨糞便排出進入蝸牛或蛞蝓體內變成L3
4.老鼠吃蝸牛,L3從腸黏膜進入微血管到大腦行成L5
5.L5鑽破蜘蛛膜下腔進入到肺變成蟲
(人類是偶發宿主停留在大腦)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

廣東住血線蟲的保幼宿主有?

A

prawn, crab, frog, slug, vegetable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

廣東住血線蟲的症狀?

A

1.癲癇、神經異常
2.VLM
3.嗜酸性腦膜炎
4.腦膜發炎
5.嗜酸性肉芽腫
6.複視、斜視

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

廣東住血線蟲的診斷?

A

1.飲食習慣
2.CSF嗜酸性球出現、血液嗜酸性球增加
3.L5做穿刺
4.血清ELISA
5.血液抗原抗體反應
6.CT, MRI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

廣東住血線蟲的治療?

A

1.自行痊癒
2.症狀治療
3.腰椎穿刺
4.Mebendazole、Thiabendazole抑制β微管蛋白合成跟葡萄糖吸收(一天兩次 ,五天);Levanisole(免疫藥物)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

哥斯大黎加住血線蟲介紹?

A

寄生在棉花鼠的腸繫膜動脈
有薄殼蛋、幼蟲肉芽腫

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

海獸胃線蟲Anisakis simplex生活史?

A

1.成蟲在海中哺乳類腸胃道產卵
2.卵隨糞便排出,在海水中形成L1
3.到L3經過甲殼類(中間)、肉食性魚類or頭足綱(運輸),最後到海中哺乳類變成蟲(最終)
(人類吃到魚會在胃腸道長到L5)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

雄蟲有copulatory bursa&spicules,雌蟲有barber-pole的是?

A

廣東住血線蟲

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

有boring tooth&ventriculus的是?

A

海獸胃線蟲

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

海獸胃線蟲的急性症狀?

A

急性上腹痛、噁心、嘔吐、腹瀉
腸胃阻塞、闌尾炎、腹膜炎
蕁麻疹、肺不舒服、過敏性水腫、多發性關節炎

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

海獸胃線蟲的慢性症狀?

A

鯡魚病
腹痛、噁心、嘔吐、血便、胃腫瘤
肉芽腫切片可見嗜酸性球
反覆感染發炎
VLM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

海獸胃線蟲的診斷?

A

胃鏡(2cm幼蟲)
組織切片(蟲體or肉芽組織)
X光(腸胃道有無塞住)
血清學檢測(抗體)
內視鏡(非必須)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

海獸胃線蟲治療?

A

1.胃鏡或外科手術切除
2.Albendazole吃21天但效果不理想

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

有棘顎口線蟲Gnathostoma spinigerum生活史?

A

1.成蟲在貓狗胃裡產卵
2.卵排出淡水形成胎蟲卵再孵化到L1
3.L1感染劍水蚤變成L2
4.(1)劍水蚤被魚、蛙吃掉變成L3(2)人喝淡水誤吃劍水蚤
5.(1)回到貓狗變成蟲(2)到鳥身上停在L3(3)在人體內停在L3但會移動形成疾病

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

匍匐疹creeping eruption是哪一種疾病引起?

A

CLM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

跑到眼睛內部的是哪一種疾病?

A

VLM

17
Q

犬蛔蟲Toxocara canis生活史?

A

(1)
1.五週內的幼犬吃下胎蟲卵
2.鑽破腸道黏膜跑到血液進入肺泡,再到咽喉回到十二指腸
(2)
人類、五週後的狗停留在L2,造成VLM
懷孕母狗可能透過胎盤感染

18
Q

犬貓蛔蟲症狀?

A

1.高嗜伊紅性球、肝腫大、高球蛋白
2.慢性肺部發炎
3.視網膜脈絡炎、周邊視神經炎
4.發燒、食慾不振、體重減輕、疹子

19
Q

犬貓蛔蟲治療?

A

1.自行痊癒
2.Corticosteroids
3.Albendazole
4.Mebendazole
5.Thiabendazole

20
Q

引起CLM的蟲體?

A

巴西鉤蟲、犬鉤蟲

21
Q

CLM症狀?

A

丘疹Papules
蛇行隧道Serpiginous tunnels
水泡(含嗜酸性球)
local eosinophilia
極度搔癢
抓破皮形成二度感染
爬行疹Creeping eruption