Cases reported "Lung Diseases, Parasitic"

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1/191. Human pulmonary dirofilariasis associated with pleural effusion.

    tuberculosis, untreated pneumonia and other chest infections were excluded as possible causes of histological features observed in patient who had been discovered in a chest X-ray survey. pleural effusion was eventually attributed to a dirofilarial granuloma found in a small pulmonary artery. ( info)

2/191. Pulmonary toxoplasmosis in bone marrow transplant recipients: report of two cases and review.

    toxoplasma gondii may cause disseminated disease in bone marrow transplant (BMT) recipients. Pulmonary toxoplasmosis in BMT patients is rarely described. mortality rates of >90% have been previously reported. Since pulmonary toxoplasmosis is extremely difficult to diagnose, it is very often detected only at autopsy. Two cases of pulmonary toxoplasmosis in BMT recipients that were diagnosed by visualization of T. gondii tachyzoites in bronchoalveolar lavage fluid and by a new semi-nested PCR method amplifying 18S rRNA from bronchoalveolar lavage fluid are presented, and the literature on pulmonary toxoplasmosis in BMT patients is reviewed. ( info)

3/191. Detection of schistosoma mansoni in bronchoalveolar lavage fluid. A case report.

    BACKGROUND: Bronchoalveolar lavage (BAL) is a useful tool in the diagnosis of bacterial, viral, fungal and parasitic pulmonary infections. There have been rare reports of parasitic infestations in bronchoalveolar lavage fluid. This is the first case report on detecting a Schistosoma ova in BAL fluid. CASE: A 40-year-old, Egyptian male presented with a fever and productive cough. He had a right pleural effusion and segmental collapse of the right lower lobe. BAL fluid showed several ova of schistosoma mansoni and established the diagnosis of schistosomiasis. Abdominal ultrasound revealed mild hepatic cirrhosis. CONCLUSION: schistosomiasis should be considered in the differential diagnosis of pulmonary problems in patients with disseminated disease in endemic areas. ( info)

4/191. Pulmonary presentation of dirofilaria immitis (canine heartworm) in man.

    Canine heartworm or dirofilaria immitis can occasionally infect man. We present the case of a 36-year-old Balkan woman referred to us for a thoracoscopic biopsy of a well defined pulmonary mass. The latter was thoracoscopically resected and proved to be due to dirofilaria immitis on histopathological examination. To our knowledge this is the second reported case in western australia, the first being that reported by Brine et al. The prevalence of the disease in Australia was recognized in 1969 in one study in the state of queensland, where 12% of 761 dogs at one veterinary clinic and 20% of 296 dogs at another were shown to be infected. dirofilaria immitis resides in the right ventricle and pulmonary arteries of dogs. The microfilariae are released into the blood stream and are transmitted to secondary hosts by mosquitoes. ( info)

5/191. Acute pulmonary schistosomiasis in travelers returning from Lake malawi, sub-Saharan africa.

    We describe four cases of acute schistosomiasis presenting to the Infectious Diseases Unit of John Radcliffe Hospital (Oxford, england) during a 2-month period in autumn 1997. All four patients had swum in Lake malawi, a freshwater lake in sub-Saharan africa that is associated with schistosoma haematobium and, less commonly, schistosoma mansoni infections. All four patients had a severe acute illness and had prominent pulmonary involvement, both clinically and radiologically. This represents a change in the recognized pattern of presentation and could possibly reflect a new parasite variant in the lake. ( info)

6/191. guinea worm cause of adult onset asthmatic attack, a radiological diagnosis.

    A case report of a fifty years old Hausa male from Sokoto town, nigeria an endemic region of guinea worm infestation, who presented with sudden adult onset of asthmatic attack and was evaluated radiologically and the diagnosis of acute obstructive airway disease was confirmed. It was noted, that there were associated calcified chain of guinea worms in the lung parenchyma. A rare association of acute asthmatic attack. Patient responded there-after to an anti-asthmatic regime of management. ( info)

7/191. North American paragonimiasis. A case report.

    BACKGROUND: paragonimiasis is a parasitic infection with a predilection for pulmonary involvement. Paragonimus species occur throughout the world and exist in nature in a snail-crustacean-mammalian life cycle. Human disease is most frequently encountered in cultures that ingest raw or undercooked crustaceans. North American paragonimiasis, caused by an endemic Paragonimus species, Paragonimus kellicotti, predominantly causes disease in carnivorous and omnivorous animals but may cause human disease if the intermediate host, the crayfish, is ingested raw or undercooked. CASE: A previously healthy, 21-year-old male was infected with P kellicotti and developed parasitic hemoptysis. The disease was contracted through the ingestion of local, undercooked crayfish. diagnosis was established through the morphologic examination of eggs in the cytologic preparation of bronchioalveolar lavage fluid. The patient was successfully treated with praziquantel and recovered without incident. CONCLUSION: paragonimiasis is a cause of parasitic hemoptysis worldwide. paragonimiasis is infrequently encountered in north america and is usually not considered in the differential diagnosis of hemoptysis unless specific risk factors are known. The cytologist or cytopathologist, therefore, may be the first to encounter the diagnostic eggs and should be familiar with this disease. ( info)

8/191. Human pulmonary dirofilariasis: report of six cases.

    We report six cases of pulmonary dirofilariasis diagnosed at our laboratory with clinical and pathological features. The nodules of dirofilariasis were round in three cases as previously reported, however dumbbell-shaped in two cases. The nodule did not attach to the pleura in four cases. Microscopically, the nodules were granulomas composed of central coagulation necrosis and peripheral fibrosis with round cell infiltration, histiocytes, and multinucleated giant cells. Necrotic pulmonary artery with single or multiple sections of degenerated nematode was observed in the center of the nodule. Dilated bronchioles with inflammation were observed in the nodule in four cases. Collapse of the alveoli, organizing pneumonia, hemosiderin-laden macrophages were observed around the nodule. We suppose that the nodule is not an infarction but a granuloma caused by antigen released from the nematode. Because the pulmonary dirofilariasis is difficult to be differentiated from primary or metastatic lung carcinoma, and the inflammation exists around the nodule, the nodule should be removed surgically. ( info)

9/191. The first Korean case of human pulmonary dirofilariasis.

    Human pulmonary dirofilariasis has been documented from many parts of the world, but not in korea so far. We experienced a patient of pulmonary dirofilariasis who had visited a local clinic because of chest pain for 1 month. On chest radiograph, a coin lesion of 2 cm diameter and enlargement of the mediastinal lymph node were shown. An exploratory lung resection was done. Pathologically the lesion was a pulmonary dirofilariasis complicated with necrotic pneumonia, fibrosis, and infarction. At the center of the lesion, degenerated nematode sections with multilayered cuticle, thick musculature, and bilateral internal ridges on each side were found, which was identified to be dirofilaria immitis. This is the first report of human pulmonary dirofilariasis in korea. ( info)

10/191. paragonimiasis westermani with multifocal lesions in lungs and skin.

    We report a case of paragonimus westermani infection with a reticulonodular lesion in the right lung, left pleural effusion, and a mobile subcutaneous mass. Analyses of pleural effusion and bronchoalveolar lavage fluid (BALF) showed marked eosinophilia and high levels of eosinophil cationic protein and interleukin (IL)-5. Transbronchial lung biopsy revealed the presence of pneumonia with mild eosinophilic infiltration but remarkable lymphocytic infiltration. In this patient, high IL-5 levels in both BALF and pleural effusion could explain the remarkable eosinophilia. ( info)
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