Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0022104 (irritable bowel syndrome)
 8,033 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Malignant lymphomas originating primarily in the mediastinum consist predominantly of Hodgkin's disease of the nodular sclerosis type, lymphoblastic lymphomas, and large cell non-Hodgkin's lymphomas of diffuse growth pattern (DHL). This analysis of 20 cases of primary mediastinal DHL presents the clinical and pathologic findings in nine patients with T-immunoblastic sarcoma (T-IBS), six with sclerosing variants of follicular center cell lymphoma (FCCL), and five with B-immunoblastic sarcoma (B-IBS). T-IBS patients were predominantly young adult women (mean age 31 years) presenting with relatively well confined mediastinal tumors; four of nine manifested the SVC syndrome. The immunomorphologic findings in T-IBS were similar to those of node-based peripheral T-cell lymphomas. Patients with FCCL and B-IBS were predominantly men, exhibited a broad age range, and presented with larger tumors with a high incidence of contiguous involvement of intrathoracic structures (83% in FCCL, 60% in B-IBS). Chemotherapeutic intervention attained CR in 19 of 20 patients, with 14 of 20 remaining alive in relapse-free CR a median of 26 months after completion of therapy. Durable CR was attained in eight of nine T-IBS patients, in four of six patients with FCCL, and in three of five patients with B-IBS. The morphologic features of these lymphoma subtypes are presented in detail and discussed in relation to the complex differential diagnosis of mediastinal neoplasms.
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PMID:Primary large cell lymphomas of the mediastinum: an analysis of 20 cases. 387 48