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Results for “LUNG DISEASES, PARASITIC”

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At least 19 recordsLinked to original sources
PubMed2002

Pulmonary hydatid and other lung parasitic infections.

The lung may be infested by a great number of parasites. Hydatidosis is the most frequent parasitic lung disease. Diagnosis of lung hydatidosis is usually easy on chest radiography, ultrasonography, and CT scan, and immunodiagnosis may help in dubious cases. Surgery is necessary in most cases, but it must be conservative. Complex forms, such as disseminated disease and secondary lung hydatidosis (metastatic or bronchogenic) are difficult to treat and may be considered malignant. Medical treatment may be helpful in complex forms, in poor surgical risk patients, and in cases of preoperative spillage of hydatic fluid. Prevention programs are necessary in endemic areas, and research must be directed toward vaccination against the parasite. Other parasitic diseases are reported less frequently in the literature, and the majority of published articles are either case reports or only report a small number of cases. Clinical presentation is variable according to the great variety of parasites that may involve the lungs.

Animals↗
PubMed2006

[Acute hepatitis cysticercosa and pneumonitis cysticercosa in a lamb: case report].

The diseases known as hepatitis cysticercosa and pneumonitis cysticercosa are caused by migrating Cysticercus tenuicollis, the intermediate stage of Taenia hydatigena, in the liver and lung tissue of intermediate hosts like sheep, goats, cattle, pigs and squirrels. In this study, parasitological and pathological examinations were performed on the liver and lung tissue samples of a one month old lamb that had died in a herd of Karadayi village, Bünyan, Kayseri. After the examination, hepatitis cysticercosa and parasitic verminous pneumonia (Pneumonitis cysticercosa) were diagnosed and the results were discussed.

Animals↗
PubMed1975

The Schistosoma japonicum egg granuloma.

Although Schistosoma japonicum egg granulomas are generally considered to be similar to those of S. mansoni (which are largely immunologic reactions of the delayed hypersensitivity type) there are suggestions that the histopathology and perhaps the etiology of the lesions are different. In mice with light S. japonicum infections, at 5 weeks after infection (2 weeks after egg production began), the livers contained 36,000 eggs each, but there was no reaction to the eggs, nor any evidence of hepatosplenic disease. By 6 weeks, large abscesses replete with cosinophils occurred around some of the eggs, and there was periportal inflammation consisting predominantly of plasma cells. From this time on, major lesions occurred mainly around large aggregates of eggs, and there was hepatosplenomegaly and portal hypertension. Living S. japonicum eggs injected into the pulmonary microvasculature of mice did not evoke significant granulomatous reactions on either primary or secondary exposure. Even when the eggs were injected into the lungs of infected animals, which had large granulomas around egg aggregates in the liver, little or no inflammatory reaction was seen around the eggs distributed singly throughout the pulmonary vessels. When the priming dose of eggs or soluble egg antigens was injected subcutaneously with or without complete Freund's adjuvant, significant granuloma formation occurred around eggs subsequently injected into the lungs. On the basis, therefore, of differences in the parasite factor (eggs) and host factors (histopathology and responses to routes of injection) it is suggested that the immunologic factors responsible for granuloma formation around S. mansoni and S. japonicum eggs may differ significantly.

Animals↗