<b>OBJECTIVEb>To study the clinical features and treatment outcome of children with mature B-cell non-Hodgkin's lymphoma (B-NHL).

<b>METHODSb>A total of 28 previously untreated children with mature B-NHL were enrolled and given the chemotherapy regimen of CCCG-B-NHL-2010. Among them, 20 were given rituximab in addition to chemotherapy. The children were followed up for 31 months (ranged 4-70 months). A retrospective analysis was performed for the clinical features of these children. The Kaplan-Meier method was used for survival analysis. A univariate analysis was performed to investigate the prognostic factors.

<b>RESULTSb>Among the 28 children, 17 (61%) had Burkitt lymphoma, 8 (29%) had diffuse large B-cell lymphoma (DLBCL), and 3 (11%) had unclassifiable B-cell lymphoma. As for the initial symptom, 13 (46%) had cervical mass, 10 (36%) had maxillofacial mass, 9 (32%) had hepatosplenomegaly, 5 (18%) had abdominal mass, and 5 (18%) had exophthalmos. Of all children, 14 had a lactate dehydrogenase (LDH) level of <500 IU/L, 3 had a level of 500-1 000 IU/L, and 11 had a level of ≥ 1 000 IU/L. After two courses of chemotherapy, 21 children achieved complete remission and 7 achieved partial remission. At the end of follow-up, 24 achieved continuous complete remission and 4 experienced recurrence. The 2-year event-free survival rate was (85.7± 6.6)%. The children with bone marrow infiltration suggested by bone marrow biopsy, serum LDH ≥500 IU/L, and bone marrow tumor cells >25% had a low 2-year cumulative survival rate.

<b>CONCLUSIONSb>The CCCG-B-NHL 2010 chemotherapy regimen combined with rituximab has a satisfactory effect in the treatment of children with B-NHL. Bone marrow infiltration on bone marrow biopsy is associated with poor prognosis.

Antineoplastic Combined Chemotherapy Protocols ; administration & dosage ; Bone Marrow ; pathology ; Child ; Child, Preschool ; Female ; Humans ; Infant ; Lymphoma, B-Cell ; diagnosis ; drug therapy ; mortality ; pathology ; Male ; Prognosis ; Progression-Free Survival ; Retrospective Studies ; Rituximab ; administration & dosage ; Treatment Outcome

No abstract available.
Aged ; Antineoplastic Combined Chemotherapy Protocols/adverse effects ; Bone Marrow Cells/cytology/pathology ; Female ; Flow Cytometry ; Fusion Proteins, bcr-abl/*genetics ; Granulocyte Colony-Stimulating Factor/therapeutic use ; Humans ; Immunophenotyping ; Leukemia/*diagnosis/etiology ; Lymphoma, Large B-Cell, Diffuse/*drug therapy ; Phenotype ; Rituximab/administration & dosage

It is often difficult to differentiate gastric mucosa-associated lymphoid tissue (MALT) lymphoma from Helicobacter pylori-associated follicular gastritis, and thus, it becomes unclear how to manage these diseases. This study aimed to explore the management strategy for and the long-term outcomes of suspicious gastric MALT lymphoma detected by forceps biopsy during screening upper endoscopy. Between October 2003 and May 2013, consecutive subjects who were diagnosed with suspicious gastric MALT lymphomas by screening endoscopy in a health checkup program in Korea were retrospectively enrolled. Suspicious MALT lymphoma was defined as a Wotherspoon score of 3 or 4 upon pathological evaluation of the biopsy specimen. Of 105,164 subjects who underwent screening endoscopies, 49 patients with suspicious MALT lymphomas who underwent subsequent endoscopy were enrolled. Eight patients received a subsequent endoscopy without H. pylori eradication (subsequent endoscopy only group), and 41 patients received H. pylori eradication first followed by endoscopy (eradication first group). MALT lymphoma development was significantly lower in the eradication first group (2/41, 4.9%) than in the subsequent endoscopy only group (3/8, 37.5%, P = 0.026). Notably, among 35 patients with successful H. pylori eradication, there was only one MALT lymphoma patient (2.9%) in whom complete remission was achieved, and there was no recurrence during a median 45 months of endoscopic follow-up. H. pylori eradication with subsequent endoscopy would be a practical management option for suspicious MALT lymphoma detected in a forceps biopsy specimen obtained during screening upper endoscopy.
Adult ; Aged ; Anti-Bacterial Agents/therapeutic use ; Biopsy ; Female ; Follow-Up Studies ; Gastric Mucosa/*pathology ; Gastritis/diagnosis/etiology/microbiology ; Gastroscopy ; Helicobacter Infections/complications/*diagnosis/drug therapy ; Humans ; Lymphoma, B-Cell, Marginal Zone/complications/*diagnosis/pathology ; Male ; Middle Aged ; Republic of Korea ; Retrospective Studies

<b>OBJECTIVEb>To analyze the clinical course of a very elderly patient with advanced diffuse large B cell lymphoma (DLBCL), so as to explore the incidence, prognosis and treatment of DLBCL and to analyse the prognostic and therapeutic significance of molecular subtype.

<b>METHODSb>The clinical history, auxiliary examinations, clinical diagnostic standards, therapeutic methods, biopsy and autopsy of this patient were retrospectively analyzed; the incidence, current treatment status, molecular biological features, and prognostic and therapeutic significance of molecular subtype were studied.

<b>RESULTSb>After admission, this patient was diagnosed as non-GCB DLBCL, NOS, stage IV B and in the high risk group (IPI = 5, ECOG = 2). She achieved a decent partial response after many times of imunochemotherapy, but his disease status soon progressed. The liver occupying biopsy revealed non-GCB, while the spleen tumor pathology revealed GCB; pathological typing of these two methods was completely opposite. Autopsy pathological diagnosis showed that the death causes included extensive tumor metastasis, dyscrasia and respiratory circle failure.

<b>CONCLUSIONb>Incidence of aged patients with DLBCL is high, and the disease is aggressive; the treatment is low responsive and difficult, and new therapeutic methods are needed. Gene expression profile (GEP) can provide molecular subtype and potential pathogenic mechanism, which can promote the development of new targeted therapy and individualized treatment.

Aged ; Female ; Humans ; Lymphoma, Large B-Cell, Diffuse ; diagnosis ; pathology ; therapy ; Neoplasm Staging ; Prognosis

<b>OBJECTIVEb>To investigate the clinicopathological manifestation, immunophenotypic features and prognostic factors of patients with primary breast DLBCL (PB-DLBCL).

<b>METHODSb>Twelve cases of PB-DLBCL, diagnosed according to the 2008 World Health Organization classification of tumors of hematopoietic and lymphoid tissues, were retrospectively studied.

<b>RESULTSb>Most patients were admitted to hospital because of painless unilateral breast mass. Out of 12 cases, 5 were in Ann Arbor stage I (41.7%), 7 case were in stage II (58.3%). Most (89.9%) were assigned to non-GCB subtypes, 11.1% were classified as GCB subtype. The patients who recepted treatment were sensitive to chemotherapy and they were all alive following 12 to 92 months.

<b>CONCLUSIONb>Primary breast DLBCL is extremely rare without specific clinical features. They all respond well to chemotherapy and show good prognosis.

Breast Neoplasms ; diagnosis ; pathology ; therapy ; Humans ; Lymphoma, Large B-Cell, Diffuse ; diagnosis ; pathology ; therapy ; Neoplasm Staging ; Prognosis ; Retrospective Studies ; Survival Rate

No abstract available.
Antibodies, Monoclonal, Murine-Derived/therapeutic use ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; B-Cell-Specific Activator Protein/metabolism ; Bone Marrow/metabolism/*pathology ; Cyclophosphamide/therapeutic use ; Doxorubicin/therapeutic use ; Endoscopy, Digestive System ; Female ; Gene Rearrangement, gamma-Chain T-Cell Antigen Receptor ; Genetic Loci ; Humans ; Liver/metabolism/pathology ; Lymphocytes/cytology/immunology ; Lymphoma, Large B-Cell, Diffuse/complications/*diagnosis/drug therapy ; Lymphoma, T-Cell, Peripheral/complications/*diagnosis/drug therapy ; Middle Aged ; Prednisone/therapeutic use ; Receptors, Antigen, T-Cell, gamma-delta/genetics ; Tomography, X-Ray Computed ; Vincristine/therapeutic use

No abstract available.
Adolescent ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Burkitt Lymphoma/*pathology ; Child, Preschool ; Cyclophosphamide/therapeutic use ; Doxorubicin/therapeutic use ; Female ; Gene Rearrangement ; Herpesvirus 4, Human/metabolism ; Humans ; Immunohistochemistry ; Lymphoma, B-Cell/*diagnosis/drug therapy ; Lymphoma, Large B-Cell, Diffuse/*pathology ; Male ; Prednisone/therapeutic use ; Proto-Oncogene Proteins c-myc/genetics ; Tomography, X-Ray Computed ; Vincristine/therapeutic use ; Viral Matrix Proteins/immunology/metabolism

Spontaneous gastric perforation is a rare complication of gastric lymphoma that is potentially life threatening since it can progress to sepsis and multi-organ failure. Morbidity also increases due to prolonged hospitalization and delay in initiating chemotherapy. Therefore prompt diagnosis and appropriate treatment is critical to improve prognosis. A 64-year-old man presented to the emergency department with severe abdominal pain. Chest X-ray showed free air below the right diaphragm. Abdominal CT scan also demonstrated free air in the peritoneal cavity with large wall defect in the lesser curvature of gastric lower body. Therefore, the patient underwent emergency operation and primary closure was done. Pathologic specimen obtained during surgery was compatible to diffuse large B cell lymphoma. Fifteen days after primary closure, the patient received subtotal gastrectomy and chemotherapy was initiated after recovery. Patient is currently being followed-up at outpatient department without any particular complications. Herein, we report a rare case of gastric lymphoma that initially presented as peritonitis because of spontaneous gastric perforation.
Abdominal Pain ; Antigens, CD20/metabolism ; Antigens, CD45/metabolism ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Gastrectomy ; Humans ; Intestinal Perforation/diagnostic imaging ; Lymphoma, Large B-Cell, Diffuse/*diagnosis/drug therapy/pathology ; Lymphoma, Non-Hodgkin/*diagnosis/drug therapy/pathology ; Male ; Middle Aged ; Positron-Emission Tomography ; Stomach Neoplasms/*diagnosis/drug therapy/pathology ; Tomography, X-Ray Computed

The sandwich sign is used to describe mesenteric lymphoma in which mesenteric vessels and fat are enveloped by enlarged mesenteric lymph nodes. We present two cases of primary pleural lymphoma demonstrating the "pleural sandwich sign". Contrast-enhanced computed tomography showed conglomerated parietal pleural and extrapleural masses encasing the intercostal arteries. Histopathological examinations confirmed low grade marginal zone B-cell lymphoma in an 80-year-old man and diffuse large B-cell lymphoma in a 68-year-old man. The pleural sandwich sign may suggest the diagnosis of primary pleural lymphoma.
Aged ; Aged, 80 and over ; Antigens, CD20/metabolism ; Antineoplastic Agents/therapeutic use ; Humans ; Lymphoma, B-Cell, Marginal Zone/*diagnosis/drug therapy/metabolism ; Lymphoma, Large B-Cell, Diffuse/*diagnosis ; Male ; Pleura/*pathology ; Pleural Neoplasms/*diagnosis/drug therapy/metabolism/pathology ; Positron-Emission Tomography ; Tomography, X-Ray Computed

A 66-year-old male with dyspepsia and weight loss was referred to our hospital for evaluation. On laboratory examination, anti-saccharomyces cerevisiae (ASCA)-IgA was positive and iron deficiency anemia was present. PET/CT and abdominal CT scan images showed multiple small bowel segmental wall thickening and inflammation. Capsule endoscopy images showed multiple small bowel ulcerative lesions with exudates. Based on laboratory test results and imaging studies, the patient was diagnosed with Crohn's disease and treated with prednisolone and 5-aminosalicylic acid (5-ASA). However, the patient underwent second operation due to small bowel perforation within 2 month after initiation of treatment. Pathology report of the resected specimen was compatible to primary small bowel diffuse large B cell lymphoma and pertinent treatment was given to the patient after recovery. Herein, we describe a case of primary small bowel diffuse large B cell lymphoma that was mistaken for Crohn's disease.
Aged ; Antibodies/blood ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Capsule Endoscopy ; Crohn Disease/diagnosis/drug therapy ; Diagnostic Errors ; Humans ; Immunoglobulin A/blood ; Intestinal Perforation/surgery ; Lymphoma, Large B-Cell, Diffuse/*diagnosis/drug therapy/pathology ; Male ; Mesalamine/therapeutic use ; Positron-Emission Tomography ; Saccharomyces cerevisiae/immunology ; Tomography, X-Ray Computed