Cases reported "Lung Diseases, Parasitic"

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1/4. Cytopathologic and genetic diagnosis of pulmonary amebiasis: a case report.

    BACKGROUND: amebiasis is a parasitic infection with entamoeba histolytica. Pulmonary amebiasis is rare since the infection is commonly manifested as amebic colitis or liver abscess. Most pleuropulmonary amebiasis is seen in patients with amebic liver abscesses. A pulmonary amebic lesion without either a liver abscess or amebic colitis is extremely rare. Thus, reported cases of sputum cytologic diagnosis of a pulmonary amebic lesion from a patient without a liver abscess are also very rare. CASE: A 53-year-old man presented with a dry cough and mild fever. Chest radiography revealed an abnormal solitary mass lesion in the right upper lung field. The clinical diagnosis was a bacterial lung abscess. sputum cytologic examination demonstrated many trophozoites of E. histolytica. Following sputum cytodiagnosis, serologic tests revealed a slightly high but almost normal titer of IgG antibodies to E. histolytica, indicating the possible presence of the pathogen. polymerase chain reaction (PCR) using E. histolytica-specific primers for dna extracted from the sputum sample revealed specific dna product. CONCLUSION: Pulmonary amebiasis without either a liver abscess or amebic colitis must be distinguished from bacterial abscesses and neoplastic disease. A sputum cytologic examination combined with PCR for dna extracted from a sputum sample is a good approach to the diagnosis of a pulmonary amebic abscess.
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keywords = histolytica
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2/4. Pulmonary amoebiasis presenting as superior vena cava syndrome.

    Pulmonary amoebiasis without liver involvement occurs sporadically as a result of haematogenous spread from a primary site, the colon. The case history is presented of a patient who developed superior vena cava syndrome due to a pulmonary amoebic abscess without liver involvement. He was initially suspected of having a neoplasm but a combination of tests including histological examination of the H&E stained excised tissue, immunofluorescence using anti-entamoeba histolytica antibodies, and serology confirmed the diagnosis of amoebiasis. To our knowledge this is the first description of pulmonary amoebiasis presenting as superior vena cava syndrome.
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keywords = histolytica
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3/4. Pleuropulmonary amoebiasis in ghana: a report of three cases.

    Three cases of pleuropulmonary amoebiasis are reported for the first time from ghana. It is suggested that where facilities for identification of the causal agent are not available a therapeutic trial should be given with drugs effective against entamoeba histolytica.
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keywords = histolytica
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4/4. Cytologic detection of parasitic disorders.

    parasitic diseases are common in developing countries; yet they are infrequently diagnosed in cytologic material. Six cases are described where routine cytologic examination identified the parasites and suggested the diagnosis. There were three cases of entamoeba histolytica infection of the female genital tract and one each of hydatid cyst of the brain, strongyloides stercoralis infection of the lung and filarial infection of the urinary bladder. To our knowledge, cytologic diagnosis of hydatid cyst of the brain and filarial infection of the urinary bladder has not been previously reported.
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keywords = histolytica
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