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    Cervico-mediastinal tuberculous lymphadenitis presenting as prolonged fever of unknown origin
    (Natl Med Assoc, 2004) Bayindir, Y; Sevinc, A; Serefhanoglu, K; But, A
    Prolonged fever of unknown origin (FUO) is a challenging and important medical problem. Tuberculosis is the most frequent cause of FUO, especially in endemic regions, such as developing countries. We present a case of cervico-mediastinal tuberculous lymphadenitis that had been searched and followed up as a prolonged FUO. Especially in endemic areas, tuberculosis should be borne in mind in the differential diagnosis of FUO cases with granulomatous lymphadenitis presenting as prolonged or recurrent fever, even if the cultures and polymerase chain reaction for Mycobacterium tuberculosis are negative.
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    Clinical experience with three combination regimens for the treatment of high-risk febrile neutropenia
    (Acad Medicine Singapore, 2006) Serefhanoglu, K; Ersoy, Y; Serefhanoglu, S; Aydogdu, I; Kuku, I; Kaya, E
    Introduction: The objective of this study was to compare the safety and efficacy of ceftazidime (2 g every 8 h), piperacillin/tazobactam (4 g/500 mg every 6 h), and meropenem (1 g every 8 h), when combined with amikacin (15 mg/kg once daily), in the empirical treatment of high-risk febrile neutropenic episodes in patients with haematological malignancy. Materials and Methods: A prospective, comparative study designed in the haematology unit of a university hospital in Turkey. Results: A total of 89 febrile episodes in 60 neutropenic patients were treated; 29 febrile episodes in 23 patients with ceftazidime plus amikacin (group 1), 30 episodes in 25 patients with piperacillin/tazobactam plus amikacin (group 2), and 30 episodes in 25 patients with meropenem plus amikacin (group 3). The 3 groups were comparable in terms of age, sex, underlying malignancy, pretherapy neutrophil counts, duration of neutropenia and types of infections. Neutropenia, since the start of fever, persisted for >= 10 days in all of the episodes in the 3 study groups. Nearly all of the episodes were seen in patients with acute leukaemia. In 25.8% (23/89) of the febrile neutropenia episodes, an aetiologic organism was isolated, with gram-negative bacteria being the most commonly isolated. The success without modification rates were 34.5%, 30% and 36.7% for groups 1, 2 and 3, respectively (P > 0.05). After modification with a different class of antimicrobial therapy, the response rates increased to 65.5%, 63.3% and 70% for groups 1, 2 and 3, respectively (P > 0.05). The mean duration of treatment and the time to defervescence were also comparable in all groups. In all arms, side effects were minimal. Conclusions: It is concluded that the 3 regimens were equally effective and safe in the empirical treatment of high-risk febrile neutropenic episodes.
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    Isolated thrombocytopenia: the presenting finding of typhoid fever
    (Blackwell Publishing Ltd, 2003) Serefhanoglu, K; Kaya, E; Sevinc, A; Aydogdu, I; Kuku, I; Ersoy, Y
    Thrombocytopenia is generally seen as a complication in typhoid fever. However, it can also be encountered as a presenting sign on admission. A 29-year-old man with complaints of fever and diarrhoea was hospitalized because of isolated thrombocytopenia encountered on routine complete blood count examination. The diagnosis of typhoid fever was established when Salmonella typhi was isolated from the blood cultures. The platelet count returned to normal level within the first week of ceftriaxone therapy. Possible mechanisms of thrombocytopenia were discussed.