Primary cranial vault lymphoma is an extremely rare finding. It should be considered in the differential diagnosis of scalp masses. Although the analysis of outcome of the reported cases is difficult because of the small number of occurrences of this entity and the variability of follow-up, a combination of surgery, radiotherapy, and chemotherapy seems to offer better outcomes.

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Objectives. Bacterial resistance is of growing concern in haematology wards. As the inappropriate administration of empirical antibacterial may alter survival, we studied risk factors for resistance to our usual empirical first-line antibacterial therapy, cefepime. Methods. We retrospectively studied 103 first episodes of bacteraemia recorded in our haematology department over 2.5 years. Risk factors for cefepime-resistance were identified by multivariate logistic regression with backward selection (P < 0.05). A scoring system for predicting cefepime-resistance was built on independent factor, with an internal validation by the bootstrap resampling technique. Results. 38 (37%) episodes were due to Gram-negative bacteria. Fifty (49%) were due to bacteria resistant to cefepime. Cefepime resistance was significantly associated with a decreased survival at day 30 (P < 0.05). Three risk factors were independently associated with cefepime-resistance: acute lymphoblastic leukaemia; ≥18 days since hospital admission; and receipt of any β-lactam in the last month. Patients with ≥2 of these risk factors had a probability of 86% (CI 95%, 25 to 100%) to carry a cefepime-resistant strain. Conclusion. Using our scoring system should reduce the indication of very broad antibacterial regimens in the empirical, first-line treatment of febrile hematology patients in more than 80% of the cases.

We report the case of a patient diagnosed with a splenic marginal zone lymphoma with a simultaneous finding of hepatitis B virus infection, who responded to antiviral treatment and splenectomy. We highlighted this association described in the literature and its possible causal role, as well as the available therapeutic choices.

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