Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0023241 (Legionella)
 6,990 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 46-year-old man whose parents were from Nagasaki had a 24-hour bath system in his house. He had had a cough for 26 years and dyspnea for 2 years. He consulted our hospital because of the increase of his cough and dyspnea. Chest X ray and CT showed abnormal shadows in both lung fields and Legionella pneumophila type 3 was detected by sputum cultivation. The condition which appeared this time responded to antibiotic medication. However, the abnormal shadows in both lung fields and the abnormalities in respiratory function remained. The remaining abnormal shadows in both lung fields were considered to be the cause of his dyspnea for 2 years and cough for 26 years. Atypical lymphocytes with a floriform nucleus were observed in peripheral blood. Gene analysis detected monoclonal human T lymphotropic virus type I (HTLV-I) provirus DNA. We diagnosed as smoldering type adult-T-cell-leukemia (ATL). Thoracoscopic lung biopsy revealed fibrotic thickening of the interstitial tissue accompanied by structural destruction. The pathological changes in both lung fields were diagnosed as HTLV-I related lung disease and infiltration of ATL. Known pathogens of lung infection accompanying ATL include viruses, acid fast organisms, and fungi. Legionella pneumonia happened to be the opportunity leading to the diagnosis of HTLV-I related lung disease is this case.
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PMID:[A case of human T lymphotropic virus type I-related lung disease in which Legionella pneumonia led to the diagnosis]. 1714 92

The advantages of diagnosing legionellosis by urinary antigen detection are widely recognized, and include early detection, rapidity of testing, and ease of specimen collection. However, the persistence of Legionella urinary antigen excretion has been suggested in some selected patients, although the clinical features of these patients have not yet been clearly described. Here, we describe the clinical features of two patients with Legionnaires' disease with persistence of Legionella urinary antigen excretion (117 days and 247 days). One patient had an underlying disease, adult T-cell leukemia, and the other patient had ulcerative colitis and was receiving oral corticosteroids. Unusual clinical and radiological findings as well as a review of the literature are presented.
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PMID:Clinical features of two cases of Legionnaires' disease with persistence of Legionella urinary antigen excretion. 1823 28

A fatal nosocomial infection with Legionella pneumophila serogroup 5 occurred in a patient with leukemia. Isolates recovered from both the potable water supply and the patient showed an identical genomic profile. With no other exposure identified, the water from the washbasin was evidently the source of infection.
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PMID:Fatal nosocomial Legionella pneumophila infection due to exposure to contaminated water from a washbasin in a hematology unit. 1893 69

Legionnaire's disease (LD) manifests most commonly as an atypical community acquired pneumonia (CAP) with systemic extrapulmonary manifestations. Disorders associated with impaired cell mediated immunity (CMI) are particularly predisposed to LD. Hairy cell leukemia (HCL) is a rare B-cell lymphoproliferative leukemia associated with decreased CMI. LD has only rarely been reported in HCL. We present a most interesting case of persistent LD in a elderly male with HCL who required prolonged antibiotic therapy.
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PMID:Persistent Legionnaire's disease in an adult with hairy cell leukemia successfully treated with prolonged levofloxacin therapy. 2602 47

A male patient in his mid-60s presented with a severe pneumonia following return to the UK after travel to Crete. He was diagnosed with Legionnaire's disease (caused by an uncommon serogroup of Legionella pneumophila). He was pancytopenic on admission, and during a long stay on critical care he was diagnosed with a disseminated Aspergillus infection. Bone marrow aspiration revealed an underlying hairy cell leukaemia that undoubtedly contributed to his acute presentation and subsequent invasive fungal infection.
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PMID:An unusual presentation of Legionella pneumonia in a returning traveller. 3142 Apr 30


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