Celiac disease, an immune-mediated enteropathy induced in genetically susceptible individuals by the ingestion of gluten, is the most frequent disorder associated with splenic hypofunction or atrophy. Defective splenic function affects more than one-third of adult patients with celiac disease, and it may predispose to a higher risk of infections by encapsulated bacteria and thromboembolic and autoimmune complications, particularly when celiac patients have concomitant pre-malignant and malignant complications (refractory celiac disease, ulcerative jejunoileitis and enteropathy-associated T-cell lymphoma). However, the clinical management of patients with celiac disease does not take into account the evaluation of splenic function, and in patients with high degree of hyposplenism or splenic atrophy the prophylactic immunization with specific vaccines against the polysaccharide antigens of encapsulated bacteria is not currently recommended. We critically re-evaluate clinical and diagnostic aspects of spleen dysfunction in celiac disease, and highlight new perspectives in the prophylactic management of infections in this condition.
The combined analysis of both rearrangements allowed recognition of monoclonal populations in otherwise negative patients, with detection rates from 20% (Vγ only) to 33% (Vγ and Vβ), thus raising the likelihood of early identification of RCD patients at high risk of death.
Bortezomib is the first anticancer proteasome inhibitor introduced into clinical practice. It has been recently approved for the treatment of multiple myeloma, an incurable plasma cell tumour that accounts for 10-15% of all haematologic malignancies and for approximately 20% of deaths. Gastrointestinal toxicity associated with the use of this drug is common but generally mild to moderate. Paralytic ileus in patients undergoing bortezomib treatment has been reported, although a definite attribution to bortezomib administration has not been established. We report a myeloma patient who developed severe paralytic ileus during bortezomib therapy, which presented in the context of progressive constipation without other known causes and which regressed promptly with medical management after drug cessation, suggesting a direct causal relationship. Awareness of the various potential gastrointestinal toxic effects of bortezomib is of relevance given the growing number of patients undergoing treatment with this important and effective new cancer drug.
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