Taeniasis brevis

Brief introduction of short-film shell tsutsugamushi Hymenolepiasisnana is a disease caused by parasitic human intestinal tract by hymenolepisnana. basic knowledge The proportion of illness: 0.02% Susceptible people: no specific population Mode of infection: fecal-mouth transmission Complications: appendicitis

The cause of short membrane tsutsugamushi disease

Causes:

Adults are 25 to 40 mm long and 1 mm wide. There are 4 suction cups in the head section. There are 20 to 30 single head hooks in the top, and the neck is slender. There are 100 to 200 knots in the back of the neck, and a few are as many as 1000 knots. There are 3 round testicles, 2 ovaries, and a uterus in the gestational section. The uterus is 80-200 eggs. The eggs are colorless and transparent, elliptical or round, 47 to 37 m in size, thin in shell, shell and embryo. The membrane is filled with a colorless liquid, and 4 to 8 filaments are protruded from both ends of the membrane, and there are six hooks in the membrane. Adult parasitic host upper end of the small intestine, the end of the worm's gestational section often collapses before shedding, the eggs are scattered, and excreted with the feces. The eggs are swallowed by humans or rats, hatching in the intestines, and the six hooks escape into the small intestine. The villi develop into a cysticercus, return to the intestinal lumen, adsorb the intestinal wall, mature and lay eggs about 1 month after infection, and the eggs can also hatch in the intestine to form their own repeated infection. In addition, mites and various beetles It can become an intermediate host. After the beetle swallows eggs, it hatches six hooks and develops into a cysticercus. The beetle can be infected if swallowed by humans or rats.

Pathogenesis:

Infection of adults and larvae can cause mechanical and toxic irritation of small intestinal mucosa. The head section sucker, small hook, and micro-hair on the surface of the body have obvious damage to the human intestinal mucosa; the secretion of the body can also produce toxic effects, and the intestine attached to the adult Mucosal necrosis, ulceration, cell lysis and lymphocyte and neutrophil infiltration, larval invasion can also destroy mucosal villi, causing intestinal absorption and motor dysfunction. Repeated infection of this disease is a common phenomenon, which can cause serious infections. Wang Shengyu and other reports (1956) can affect the number of infected humans in the human body to l500, the most case is 37,482. Infection with a small membrane aphid can produce a certain immune response in the host, eosinophils in the blood, specific IgA, IgG, IgM increase to varying degrees, intestinal lavage specificity: IgA and IgE also increased Animal experiments have shown that serum-specific IgG and IgE antibodies can passively transfer protective immunity. In addition, protective immunity is associated with T cells, and passive transfer of T cells can also affect immunity.

Short membrane shell tsutsugamushi prevention

1. Pay attention to personal hygiene, vigorously publicize the harmfulness of the disease, eliminate bad hygiene habits, and promote good hygiene habits, such as washing hands before meals. Change bad eating habits, such as raw meat.

2, pay attention to environmental sanitation, especially in the living environment.

Short membrane shell tsutsugamushi complications Complications appendicitis

Complicated appendicitis. Appendicitis refers to an inflammatory change caused by a variety of factors in the appendix, a surgical problem of abdominal surgery.

Short-film shell tsutsugamushi symptoms Common symptoms Pig eggs are found in the feces... Nausea skin itching, convulsions, abdominal pain, white diarrhea, white diarrhea

Infected light can be asymptomatic, severe infection can occur gastrointestinal and neurological symptoms, such as nausea, vomiting, loss of appetite, abdominal pain, diarrhea, and headache, dizziness, irritability and insomnia, and even convulsions, and some patients may have itchy skin With allergic symptoms such as urticaria, anemia is also more common, and peripheral blood eosinophils increase slightly.

The eggs can be diagnosed in the feces by examining the eggs or the gestational section. The number of eggs is rare and can be concentrated by sodium chloride or sodium nitrate saturated liquid floating method.

Examination of short membrane shell tsutsugamushi

In the feces, the eggs or the gestational section were found. The peripheral blood eosinophils increased slightly, and the number of eggs was rare. Those who were saturated with sodium chloride or sodium nitrate saturated liquid were concentrated and taken for surface liquid microscopy.

Diagnosis and identification of short-film shell tsutsugamushi

It is often necessary to identify with the locust mites, and the segments of the two can be identified by their different tissue structures in the microscope. After the seized head section or gestational section is sandwiched between the two slides, the condition and number of the suction cup and the apical hook or the uterus branch of the gestational section can be observed, and the mites can be confirmed. Identification.

The cattle tapeworm is also known as beef aphid, no hookworm, and aphid tapeworm. Its morphology and life history are similar to those of pork tapeworms, but the intermediate host is cattle. The larva does not parasitize the human body. It is also one of the main human parasitic mites in China.

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