Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0079731 (B-cell lymphoma)
 16,671 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 34-month-old black boy who had contracted acquired immunodeficiency syndrome from his mother presented with fever, vomiting, and cough. He was cachectic, hypertonic, and developmentally delayed. A brain computed tomography scan revealed masses in the left frontal horn, subependymal, and periventricular regions; secondary edema; and hydrocephalus. The differential diagnosis was cerebral lymphoma versus toxoplasmosis. The patient had disseminated Mycobacterium avium-intracellulare infection, lymphoid interstitial pneumonitis, as well as Pseudomonas and Klebsiella pneumonia. He died of respiratory insufficiency 53 days after admission. The autopsy confirmed a primary cerebral B-cell lymphoma, large cell type, which was positive for Epstein-Barr virus, latent phase, by in situ hybridization. Primary central nervous system lymphomas are rare in children, in contrast to adults. To our knowledge, only five well-documented cases of primary cerebral lymphomas in infants and children with acquired immunodeficiency syndrome have been reported previously. The current study shows that these childhood lymphomas are associated with and presumably caused by Epstein-Barr virus and thus have a pathogenesis similar to that of primary central nervous system lymphomas in adults.
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PMID:Epstein-Barr virus-associated primary central nervous system lymphoma in a child with the acquired immunodeficiency syndrome. A case report and review of the literature. 943 21

A 67-year-old man with a biopsy proving prostate diffuse large B-cell lymphoma was referred for an F-FDG PET/CT scan for postchemotherapy treatment monitoring. The FDG PET/CT scan revealed a significant reduction of prostate lymphoma and a prostatorectal fistula formation. The patient developed Klebsiella pneumoniae sepsis, and a follow-up FDG PET/CT 3 months later revealed multifocal lung, bone, and muscle infection. The FDG PET/CT scans of this patient not only demonstrated the effectiveness of chemotherapy for prostate lymphoma but also the complications of a prostatorectal fistula and multiple infectious foci.
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PMID:Prostate Lymphoma Complicated With Prostatorectal Fistula and Multifocal Infection After Chemotherapy. 2667 35