Browsing by Author "Borrego, L"
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- Fatal Central Nervous System Lymphocytic Vasculitis after Treatment for Burkitt Lymphoma in a Patient with a SH2D1A MutationPublication . Neves, JF; Raga, LT; Chiang, SCC; Tesi, B; Vieira, JP; Cordeiro, AI; Borrego, L; Bryceson, YTVery rarely, patients with X-linked lymphoproliferative syndrome type 1 present central nervous system vasculitis. We report a patient carrying a SH2D1A mutation that, after treatment for lymphoma developed fatal central nervous system vasculitis. He lacked signs of ongoing Epstein-Barr virus infection. We propose that impaired T cell homeostasis caused by SAP deficiency facilitates aberrant CD8 T cell activation against vascular antigens promoting clinical manifestations.
- Missense Mutation of TTC7A Mimicking Tricho-Hepato-Enteric (SD/THE) Syndrome in a Patient with Very-Early Onset Inflammatory Bowel DiseasePublication . Farela Neves, J; Afonso, I; Borrego, L; Martins, C; Cordeiro, AI; Neves, C; Lacoste, C; Badens, C; Fabre, ATricho-hepato-enteric syndrome (SD/THE) and Multiple intestinal atresia with combined immune deficiency (MIA-CID) are autosomal recessive disorders that present immunological and gastrointestinal features. There are two different phenotypes of patients with TTC7A mutations: the severe form, caused by null mutations and leading to the classical MIA-CID; and the mild form, caused by missense mutations and leading to predominant features of VEO-IBD, less severe immunological involvement and hair abnormalities. We expand the knowledge about TTC7A deficiency, describing a patient with the mild phenotype of TTC7A deficiency but presenting overlapping features of SD/THE and MIA-CID: intestinal atresia and inflammatory bowel disease evocative of MIA-CID, but also dental abnormalities, huge forehead, liver abnormalities, autoimmune thyroiditis and hypogammaglobulinemia, evocative of SD/THE.