Cases reported "Amebiasis"

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1/35. Case studies in international travelers.

    family physicians should be alert for unusual diseases in patients who are returning from foreign travel. malaria is a potentially fatal disease that can be acquired by travelers to certain areas of the world, primarily developing nations. Transmitted through the bite of the anopheles mosquito, malaria usually presents with fever and a vague systemic illness. The disease is diagnosed by demonstration of plasmodium organisms on a specially prepared blood film. Travelers can also acquire amebic infections, which may cause dysentery or, in some instances, liver abscess. amebiasis is diagnosed by finding entamoeba histolytica cysts or trophozoites in the stool. Invasive amebic infections are generally treated with metronidazole followed by iodoquinol or paromomycin. Cutaneous larva migrans is acquired by skin contact with hookworm larvae in the soil. The infection is characterized by the development of itchy papules followed by serpiginous or linear streaks. Cutaneous larva migrans is treated with invermectin or albendazole. Case studies are presented.
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2/35. An amebic lung abscess: report of a case.

    Recently the number of amebiasis cases has increased in japan. Pleuropulmonary amebiasis is a very rare complication of liver amebiasis. We report herein the case of a 54-year-old man presenting with an amebic lung abscess in his right lower lung. The diagnosis of lung amebiasis was established from a direct examination of the pus in which trophozoites of entamoeba histolytica were detected. After the oral administration of metronidazole, the laboratory findings improved and he thus underwent a right lower lobectomy. He was discharged without any relapse of infection 20 days after a thoracotomy. We conclude that a protozoan infection should thus be suspected in the case of a pleuropulmonary infection in which several types of antibiotics prove to be ineffective.
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3/35. A case of cutaneous amoebiasis.

    The present report concerns a patient with ulceration around an artificial anus. The condition had been treated for some time as pyoderma gangrenosum but finally proved to be cutaneous amoebiasis; the presence of entamoeba histolytica was demonstrated. A cure was achieved with metronidazol (Flagy) and diloxanide furoate (Furamide) given orally.
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4/35. Histopathology of cutaneous amebiasis.

    Cutaneous amebiasis (CA) is the manifestation in the skin and underlying soft tissues of the pathogenic properties of entamoeba histolytica, which may be the only expression of the infection or may be associated with disease in other organs. So far, there have been only isolated case reports on this disease. We herein report the histopathologic findings on a series of seven cases, six adults and one child, of CA. The most common findings include ulcers, areas of necrosis, mixed inflammatory infiltrates, and the presence of trophozoites, the invasive form of the parasite. CA is a very rare and severe disease, it is progressive and destructive; erythrophagocytosis, a microscopic sign of pathogenicity, is always seen in CA.
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5/35. 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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6/35. 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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7/35. Amoebiasis cutis in HIV positive patient.

    protozoan infections of the skin, particularly cutaneous amoebiasis, are rare in HIV-positive patients. We report a case of amoebiasis cutis in an HIV-positive truck driver with a history of frequent unprotected sexual exposures. He presented with multiple painful ulcers and sinuses with purulent discharge, necrotic slough and scarring in the perianal and gluteal region for the last 2 years. He was positive for hiv-1 and -2. Cutaneous biopsy revealed numerous entamoeba histolytica in the trophozoite form, in addition to an inflammatory infiltrate and necrotic debris. He responded well to oral metronidazole and chloroquine. Amoebiasis cutis should be considered in the differential diagnosis of perianal ulcers, particularly in HIV-positive patients.
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8/35. amebiasis. An increasing problem among homosexuals in new york city.

    During a five-year period at The New York Hospital, entamoeba histolytica was identified in the stools of 20 men who had not traveled outside the New York area. All of the patients were found subsequently to homosexual. During this same period amebiasis was diagnosed in 30 men who had traveled; only two were homosexual. Of ten patients with E histolytica infection seen during the first year of this study, none were homosexual whereas eight of 11 patients in the fifth year were homosexual, suggesting a gradual increase during this period of this disease in the homosexual community.
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9/35. Amebic peritonitis following rupture of an amebic liver abscess. Successful treatment of two patients.

    We present two successfully treated cases of amebic peritonitis. Acute peritonitis secondary to intra-abdominal rupture of an amebic liver abscess is an infrequent but serious complication of invasive amebiasis. Its diagnosis should be considered in anyone with a suspected liver abscess, jaundice, or diarrhea in whom peritonitis develops. This diagnosis should be further suggested in the united states if the patient is a male and is of Mexican origin in areas where this racial group constitutes the majority of cases of amebic disease. Use of radioisotope liver scans and the demonstration of serum precipitins to Endamoeba histolytica may provide rapid evidence of invasive disease, although surgical intervention is often necessary to make a specific diagnosis. emetine hydrochloride alone or followed by metronidazole combined with surgical drainage is the current treatment for amebic peritonitis.
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10/35. Appendiceal infection by entamoeba histolytica and strongyloides stercoralis presenting like acute appendicitis.

    A 58-year-old male from puerto rico who was taking orally administered cortisone analogs for chronic obstructive pulmonary disease presented with fever, absolute eosinophilia, right lower quadrant pain, and rebound tenderness associated with strongyloides stercoralis infection of the appendix. A 37-year-old alcoholic male developed fever, right lower quadrant abdominal pain, and rebound tenderness because of infection of the appendix with entamoeba histolytica. These are the seventh reported case of isolated amebic appendicitis and the ninth reported case of appendiceal involvement with Strongyloides. In all these cases the diagnosis was made only after surgery. patients with unexplained right lower quadrant pain, particularly if immunosuppressed or with an appropriate travel history, should have stool examinations for ova and parasites. early diagnosis and treatment may prevent life-threatening complications such as perforation and peritonitis.
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