Surgical management of pulmonary mucosa-associated lymphoid tissue-derived lymphoma: retrospective study of 86 cases / 中华胸心血管外科杂志

Objective:To summarize our experience in diagnosis and treatment of patients with pulmonary mucosa-associated lymphoid tissue-derived(MALT) lymphoma and to explore the role of surgery.Methods:We retrospectively analyzed the clinical and follow-up data of 86 patients with pulmonary MALT lymphoma in Shanghai Pulmonary Hospital from January 2000 to December 2018. 86 cases were identified with 44 males and 42 females. The mean age was(56.7±10.6) years old. 38(44.2%) cases had symptoms mainly presenting as cough and sputum at diagnosis. The chest CT scan of the patients showed pulmonary consolidation in 39 cases, nodule/mass shadow in 37 cases, usually with air bronchogram. Only 8(9.3%) cases could be diagnosed by non-surgical approach. 58 cases received complete resection, 10 of which followed chemotherapy. 8 of 17 cases who received incomplete resection accepted chemotherapy. The rest 11 cases who experienced surgical biopsy because of uncertain diagnosis were treated by chemotherapy or radio-chemotherapy or just watch-to-wait.Results:The median follow-up of 83 cases was 64 months, ranged from 24 to 219 months. The estimated 5-year and 10-year OS rates were 95.0% and 76.8%, while 5-year and 10-year PFS were 75.7% and 35.1% respectively. Patients who received complete resectionhad better PFS( P<0.001)but similar OS( P=0.395), compared with those received incomplete resection. There were no significant difference in OS and PFS between patients who received complete resection accepted chemotherapy or not( P>0.05). Conclusion:Pulmonary MALT lymphoma has an indolent nature with an excellent long-term survival. Diagnosis is difficult to be made by non-surgical approach. Surgery plays an important role of treatment of pulmonary MALT lymphoma, due to significant improvement of diagnosis rate and radical treatment of localized disease by complete resection.

Linfoma no Hodgkin tipo MALT cerebral / Cerebral type MALT non Hodgkin lymphoma

Introducción: Los linfomas no Hodgkin tienen su origen generalmente en el sistema linfoide, existe una gran diversidad de ellos, que hace difícil su clasificación y diagnóstico anatomopatológico definitivo. También hay localizaciones extranodales, como en el cerebro, lo que la hace aún más interesante. Objetivo: Presentar un caso con linfoma marginal cerebral, de diagnóstico muy infrecuente. Caso clínico: Paciente femenina de 67 años de edad con antecedentes patológicos personales de hipertensión arterial y epilepsia, que comenzó a sentirse rígida, con movimientos involuntarios generalizados en el cuerpo, hasta perder la conciencia. Al recuperarse se encontraba somnolienta y con cefalea de moderada intensidad. Se diagnostica un linfoma no Hodgkin tipo MALT cerebral; se realiza tratamiento con el que se revierten los síntomas y se controla la enfermedad. Conclusiones: Es necesario un diagnóstico histopatológico oportuno y certero, con la utilización de los estudios inmunohistoquímicos. Esto permite aplicar un tratamiento precoz y el control de la enfermedad(AU)

Introduction: Non-Hodgkin's lymphomas generally have their origin in the lymphoid system, there is a great diversity of them, which makes their classification and definitive pathological diagnosis difficult. There are also extranodal locations, such as in the brain, which makes it even more interesting. Objective: To present a patient with marginal cerebral lymphoma, of a very infrequent diagnosis. Clinical case: A 67-year-old female patient with a personal pathological history of arterial hypertension and epilepsy, who began to feel rigid, with involuntary movements that generalized to the whole body, until she lost consciousness, when she recovered she was drowsy and with headache of moderate intensity. Brain MALT non-Hodgkin lymphoma is diagnosed, treatment is performed to reverse symptoms, and the disease is controlled. Conclusions: A timely and accurate histopathological diagnosis is necessary, with the use of immunohistochemical studies. This allows for early treatment and disease control(AU)

Comparative assessment of effect of malt with different bud length on prolactin in hyperprolactinemia rat

Malt is the mature fruit of Hordeum vulgare L. after germination and drying and has been applied for treatment female abnormal galactorrhea. Previous studies have showed total alkaloids in malt have anti-HPRL effect. However, total alkaloids of malt change with the growth cycle, and the specified levels of total alkaloids in different bud length of malt have not been decided. To determine the definitive level of total alkaloids in different buds of malt and the most suitable bud length for clinical application by comparing effects on hyperprolactinemia rat. During the budding of malt, the content of total alkaloids first increased and then decreased, and it peaked at a bud length of 0.75 cm. Treated the HPRL model rats with different buds of malt, the PRL level was decreased, the number of PRLpositive cells and the mRNA expression level in the pituitary were significantly declined, and the number of dopamine D1 and D2 receptors in the hypothalamus was increased. The above changes were most significant in 0.75 cm bud. These results suggest that in terms of the content of effective substance and the effects on HPRL model rats, a malt bud length of 0.75 cm is optimal for clinical application.

Linfoma no Hodgkin tipo MALT de la glándula parótida. Presentación de un caso / MALT non-Hodgkin Lymphoma of the Parotid Gland. Presentation of a Case

Resumen Los linfomas de las glándulas salivales son una entidad e incidencia rara. La localización más frecuente es la glándula parótida, seguida de las glándulas submandibular y sublingual. La mayoría de los linfomas parótidos son linfomas no Hodgkin y se consideran derivados de tejido linfoide asociado a la mucosa (MALT). De manera poco frecuente, estos casos se han notificado y con frecuencia se diagnostican de manera inadecuada, ya que su presentación es relativamente benigna, comportamiento localizado, crecimiento lento y varios años de evolución.

Abstract Lymphomas of the salivary glands are a rare entity with a rare incidence. They are more commonly found on the parotid gland, followed by the submandibular and sublingual glands. The majority of parotid lymphomas are non-Hodgkin's lymphomas and are considered to be derived from mucosal-associated lymphoid tissue (MALT). Reports of these cases are scarce and often misdiagnosed since: their manifestation is relatively benign, they have a localized behavior, a slow growth and the evolution takes several years.

Effects of lactagogue of four total alkaloids of barley malt via dopamine D2 receptor in postpartum hypogalactia rat / 中草药

Objective: To explore the regulatory effect of malt alkaloid on prolactin (PRL) secretion in the model rat with postpartum hypogalactia induced by bromocriptine based on dopamine D2 receptor, and determine the active fraction of the malt with galactogogue effect. Methods: The postpartum hypogalactia model was established by intragastric administration of bromocriptine mesylate. After the model was successfully established, all groups were given corresponding drug treatment. The concentration of serum PRL, estradiol (E2) and progesterone (P) in each group was detected by ELISA kits. HE staining was used to observe the pathologic changes of breast tissue. RT-PCR was used to determine the mRNA levels of prolactin receptor (PRLR) and dopamine D2 receptor (DRD2) in pituitary gland of rats. Results: Compared with the control group, the levels of serum PRL, P, and E2 were significantly decreased in the model group as well as the mRNA expression of the pituitary PRL cells. But the mRNA expression of the pituitary DRD2 in the model group was significantly increased compared with the control group. Compared with the model group, the malt total alkaloid significantly increased the volume of mammary lobule and dilated the duct. There was a lot of milk in the duct and acinar in the malt total alkaloid group. Besides, the total alkaloids increased the concentration of serum PRL, P, and E2 and the mRNA expression of the pituitary PRL cells, and decreased the mRNA expression of the pituitary DRD2. Conclusion: The primary the active fraction of malt for galactogogue action is total alkaloids, and its mechanism may be related to promoting PRL secretion, increasing serum PRL receptor level and decreasing the mRNA expression of dopamine D2 receptor.

Maltol total alkaloid inhibits expression and secretion of prolactin by upregulating dopamine D2 receptor / 中草药

Objective: To study the role of dopamine D2 receptor (D2R) on the regulation of prolactin (PRL) secretion by malt total alkaloids. Methods: MMQ and GH3 cells of pituitary adenoma were divided into control group, bromocriptine (5 μg/mL), malt total alkaloids (4.4, 8.8, 35.2, 70.4 μg/mL), haloperidol (10, 20, 40 μg/mL), and combined administration group of total malt alkaloids and haloperidol. Cell viability was detected by CCK-8; The expressions of PRL and D2R were detected by western blotting; The level of PRL was detected by ELISA; The level of PRL and D2R mRNA were detected by qRT-PCR. Results: Compared with control group, malt alkaloids (35.2, 70.4 μg/mL) significantly reduced the expression levels of PRL protein and mRNA, and the level of PRL in the supernatant of MMQ cells (P < 0.05). Malt alkaloids (35.2, 70.4 μg/mL) significantly increased the expression levels of D2R protein and mRNA in MMQ cells. Haloperidol significantly inhibited the downregulation of malt alkaloids on the expression levels of PRL protein and mRNA, and the expression level of PRL in supernatant of MMQ cells (P < 0.05). Haloperidol significantly inhibited the upregulation of malt alkaloids on the levels of D2R protein and mRNA (P < 0.05). The level of PRL in GH3 cells had no change by malt alkaloids. Conclusion: Malt alkaloids could inhibit the expression and secretion of PRL in MMQ cell by upregulating D2R.

Analysis of clinical and prognostic features in 180 patients with mucosa associated lymphoma tissue lymphoma / 中国肿瘤临床

Objective: A single-center retrospective analysis was performed to obtain data on the clinical characteristics and the factors influencing the survival of patients with mucosa associated lymphoma tissue lymphoma (MALT lymphoma). Method: From September 2012 to May 2019, we retrospectively analyzed 180 cases of MALT lymphoma diagnosed through pathological biopsy. Result: Among the 180 patients, 99 (55.0%) were male and 81 (45.0%) were female. The age at onset was 31-84 years, and the median age was 57 years. There were 59 (32.8%), 66 (96.1%), and 55 (3.9%) cases involving gastrointestinal, ocular, and other extranodal primary sites, which included the lung, pharyngeal lymph ring, thyroid, parotid gland, and testis, respectively. Moreover, there were 173 (94.4%) cases of clinical stage -Ⅱdisease and 7 cases (5.6%) of clinical stage III- disease. The 5-year overall survival (OS) rates in the gastrointestinal, ocular, and other groups were 96.7%, 95.5%, and 86.4%, respectively, and the difference was not statistically significant (P= 0.118). The 5-year progression-free survival (PFS) rates were 82.4%, 86.6%, and 86.4% in the corresponding groups, respectively, and the difference was not statistically significant (P=0.862). The single-factor correlation analysis of prognosis indicated that low hemoglobin (P=0.006) and high β2-microglobulin (P=0.013) levels were related to OS, while an increase in β2-microglobulin (β2-MG) (P=0.004) levels was related to OS and PFS. Survival analysis showed that a low hemoglobin level was significantly associated with OS (P=0.015). Conclusions: MALT lymphoma can originate from different parts of the body. Additionally, the patients show slow clinical progress, late recurrence, and long total survival. Low hemoglobin and β2-MG levels can be used as important indexes for clinical prognosis.

Linfoma MALT de localización colónica: a propósito de un caso y revisión de la literatura / Colonic MALT Lymphoma. Case report and literature review

Resumen El linfoma MALT es una forma poco frecuente de linfoma no Hodking de células B de bajo grado, que se desarrolla a expensas del tejido linfoide de las membranas mucosas. La localización más frecuente a nivel gastrointestinal es el estómago relacionando con la infección por Helicobacter pylori. El linfoma MALT colónico es una entidad extremadamente rara y cuya incidencia no supera el 5% de los casos en países asiáticos, con series porcentualmente menores al 2,5%, siendo la ubicación de este tipo de linfoma la más inusual de todo el tracto digestivo en comparación con otras neoplasias malignas que afectan al colon. Los autores exponen el caso infrecuente de presentación de linfoma tipo MALT de localización colónica en un paciente varón de 51 años, describiendo la clínica, los resultados de pruebas complementarias y el tratamiento recibido por el paciente.

Abstract MALT lymphoma is a rare form of low-grade non-Hodking B-cell lymphoma, which develops at the expense of lymphoid tissue of the mucous membranes. The most frequent location at the gastrointestinal level is the stomach related to the infection by Helicobacter pylori. Colonic MALT lymphoma is an extremely rare entity and the incidence of which does not exceed 5% of cases in Asian countries, with a series of less than 2.5%, with the location of this type of lymphoma being the most unusual of the entire digestive tract compared to other malignant neoplasms that affect the colon. The authors present the infrequent case of presentation of MALT-type lymphoma of colonic location in a 51-year-old male patient, describing the clinic, the results of complementary tests and the treatment received by the patient.

Adenocarcinoma pulmonar sincrónico y linfoma primario de tejido linfoide asociado a mucosa pulmonar / Synchronous pulmonary adenocarcinoma and primary lymphoma of lung mucosa-associated lymphoid tissue

Los linfomas derivados del tejido linfoide asociado a las mucosas (MALT) son entidades poco frecuentes, de bajo grado de malignidad con escaso o nulo compromiso ganglionar y representan cerca del 80% de los linfomas primarios pulmonares. La aparición sincrónica con adenocarcinoma de pulmón es un hallazgo extremadamente infrecuente. Presentamos el caso de un hombre de 68 años, ex-tabaquista, en quien durante el seguimiento de un nódulo pulmonar se identificó un segundo nódulo y la biopsia quirúrgica confirmó el diagnóstico de ambas neoplasias.

The lymphomas of mucosa-associated lymphoid tissue (MALT), are uncommon entities, of low grade of malignancy with very infrequent or no lymph node involvement. They represent about 80% of the primary pulmonary lymphomas. The synchronous appearance with lung adenocarcinoma is an extremely rare finding. We present the case of an ex-smoker 68-year-old man, in whom, in the follow-up of a pulmonary nodule, a second pulmonary nodule was found. The surgical biopsy confirmed the diagnosis of both neoplasms.

Primary thyroid lymphoma: A series from a tertiary care center in Northern India

Objective: Primary thyroid lymphoma (PTL) is a rare entity, necessitating accurate and early diagnosis, as its management is very different from that of other neoplasms intrinsic to the thyroid. Materials and Methods: Cases diagnosed between January 2009 and March 2015 were retrieved, and clinical details were noted. Hematoxylin- and eosin-stained slides were reviewed. Immunohistochemistry (IHC) was performed for immunophenotyping, and cases were classified according to the World Health Organization 2017 classification of hematolymphoid neoplasms. Results: Eleven patients with PTL were identified, with a mean age of 64.6 years (range: 40–76 years), including three males and eight females. Duration of symptoms ranged from 2 to 36 months (mean: 9.3 months). Diffuse large B-cell lymphoma (DLBCL) was most frequent, followed by extranodal marginal zone lymphoma. Most DLBCLs were nongerminal center type. BCL2 was positive in all DLBCLs. Strong p53 immunopositivity was not seen in any of the cases analyzed. Conclusion: Histopathological evaluation supplemented by IHC is the gold standard for the diagnosis of PTL. Combined chemoradiotherapy appears to be the best treatment modality, irrespective of histological type. MIB-1 and MUM1 IHC may have a role in identifying DLBCL, particularly in small biopsies. Role of p53 and BCL2 needs further evaluation

A Case report of MALT lymphoma in parotid gland / 대한두경부종양학회지

Mucosa-associated lymphoid tissue (MALT) lymphoma has specific clinical and pathologic features. The most common site MALT lymphomas is the stomach; however, it can also occur in other organs, such as the salivary glands. MALT lymphoma is rare, but its prognosis is good. A 32-year-old man visited Konyang university hospital with parotid mass. Superficial partial parotidectomy was performed to exclude lymphoid neoplasms. IgH gene rearrangement analysis of the surgical specimen led to the diagnosis of MALT lymphoma. The patient underwent esophagogastroduodenoscopy, positron emission tomography-computed tomography, and whole-body bone scan. Regional or distant metastasis was not observed on staging workup. The patient underwent postoperative radiation therapy, there has been no recurrence of MALT lymphoma to date. Here, we report this rare case of parotid MALT lymphoma that was treated with surgery and postoperative radiation therapy.

Primary Lymphoma of Pancreatic Mucosa-Associated Lymphoid Tissue (MALT) / 대한내과학회지

Primary lymphoma of pancreatic mucosa-associated lymphoid tissue (MALT) is extremely rare. Initial suspicion of primary pancreatic lymphoma is hampered by its low incidence. However, it should always be included in a differential diagnosis of pancreatic mass with unusual features, because an accurate diagnosis can avoid unnecessary surgical intervention. A 70-year-old woman presented with melena associated with a mass on the pancreatic head. Endoscopic ultrasonography-guided core-needle biopsy of the pancreatic mass revealed MALT lymphoma. The patient is currently undergoing radiation therapy. We present a case of primary lymphoma of the pancreatic MALT with a review of the literature.

Linfoma primario de pulmón tipo malt: presentación de caso clínico / Primary lung lymphoma MALT Type: Clinical case presentation

Antecedentes:Background: Los Linfomas Pulmonares constituyen menos del 15 % de todos los linfomas. Los linfomas primarios en pulmón son una entidad de poca frecuencia, más aún el subtipo llamado MALT (linfoma de tejido linfoide asociado a mucosas) estos representan apenas al 1 % de todos los linfomas y 0,5 % de todos los tumores pulmonares. Se caracterizan por proli-feración clonal linfoide que afecta a los bronquios o al parénquima pulmonar de forma unilateral o bilateral sin que exista evidencia de afectación extra torácica al momento de su diagnóstico. Caso Clinico: paciente de 33 años atendido en servicio de Neumología del Instituto Nacional Cardiopulmonar de Tegucigalpa, Honduras por historia de dolor pleurítico en hemitórax derecho, tos con expecto-ración hemoptoica de 3 semanas de evolución acompañado de estertores crepitantes en hemitórax anterior derecho con diagnóstico histológico e inmunohistoquimico mediante biopsia de linfoma pulmonar de tipo Malt. Discusión: Es importante tener en cuenta a este tipo de tumores, dado que los síntomas, signos clínicos y los estudios de imágenes son inespecíficos. (5) teniendo en cuenta los diagnósticos diferenciales de causas no infecciosas, como la enfermedad metastásica, la granulomatosis de Wegener, los linfomas, las leucemias, las neumonías criptogénicas, la enfermedad tromboembólica y las enfermedades del colágeno...(AU)

Primary Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue of the Lacrimal Sac Mimicking Dacryocystitis

PURPOSE: We report a case of a young female patient who was diagnosed with a marginal zone B-cell lymphoma of the mucosa-associated lymphoid tissue (MALT lymphoma) of the lacrimal sac which mimicked dacrocystitis. CASE SUMMARY: A 23-year-old female suffered from epiphora for 3 years in the right eye. She had swelling and a painful lesion at the lacrimal sac 4 months prior and was referred to our hospital due to nasolacrimal duct obstruction and dacryocystitis. Lacrimal irrigation was performed with no passing and regurgitation with mucoid discharge. We performed orbital computed tomography and magnetic resonance imaging which showed a suspected tumor of the lacrimal sac in the right eye. We then performed excision and biopsy of the tumor through the skin approach. The patient was diagnosed with a MALT lymphoma with no systemic involvement. After six cycles of chemotherapy involving rituximab with cyclophosphamide, vincristine, and prednisone, the lesion of the mass and the painful symptoms decreased, which was regarded as a complete response. However, epiphora and eye discharge persisted, showing a nasolacrimal duct obstruction, so we performed endoscopic dacryocystorhinostomy with a lacrimal sac biopsy. The histological examination showed chronic inflammation, but not lymphoma. There was no recurrence of lymphoma at one year postoperatively. CONCLUSIONS: If there is an epiphora and palpable lesion in the lacrimal sac area, MALT lymphoma mimicking dacyocystitis may be suspected. After the lymphoma is first diagnosed by excision and biopsy, systemic chemotherapy with dacryocystorhinostomy could be an effective treatment.

Benefit of volumetric-modulated arc therapy over three-dimensional conformal radiotherapy for stage I-II extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue in the stomach: a dosimetric comparison

PURPOSE: To retrospectively analyze dosimetric parameters of volumetric-modulated arc therapy (VMAT) and three-dimensional conformal radiotherapy (3D-CRT) delivered to extranodal marginal zone B-cell lymphomas of mucosa-associated lymphoid tissue in the stomach (gastric MALT lymphoma) to find out advantages of VMAT and conditions for definite benefits of VMAT. MATERIALS AND METHODS: Fifty patients with stage I-II gastric MALT lymphoma received VMAT (n = 14) or 3D-CRT (n = 36) between December 2005 and April 2018. Twenty-seven patients were categorized according to whether the planning target volume (PTV) overlaps kidney(s). Dosimetric parameters were analyzed by dose-volume histogram. RESULTS: Radiation dose to the liver was definitely lower with VMAT in terms of mean dose (p = 0.026) and V15 (p = 0.008). The V15 of the left kidney was lower with VMAT (p = 0.065). For those with PTV overlapping kidney(s), the left kidney V15 was significantly lower with VMAT. Furthermore, the closer the distance between the PTV and kidneys, the less the left kidney V15 with VMAT (p = 0.037). Delineation of kidney(s) by integrating all respiratory phases had no additional benefit. CONCLUSIONS: VMAT significantly increased monitor units, reduced treatment time and radiation dose to the liver and kidneys. The benefit of VMAT was definite in reducing the left kidney V15, especially in geometrically challenging conditions of overlap or close separation between PTV and kidney(s).

Clinical presentation and treatment outcomes of primary ocular adnexal MALT lymphoma in Thailand

BACKGROUND: Primary ocular adnexal extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (POML) is the most common subtype of lymphoma involving the eyes in Thailand. We sought to assess the characteristics and treatment outcomes of patients with POML in Thailand. METHODS: We retrospectively reviewed patient data and included patients diagnosed with POML between January 2004 and December 2016 at Chiang Mai University Hospital and King Chulalongkorn Memorial Hospital, Thailand. We collected and analyzed patients' clinical characteristics and treatment outcomes. RESULTS: Among 146 patients with lymphoma involving the eyes, 121 (82%) were diagnosed with POML. Sixty-four (52.9%) were women with median age 58 (range, 22–86) years. The most common presenting symptom was orbital mass (71.1%). Common sites of origin were the orbit (46.3%) and lacrimal gland (34.7%). At presentation, 22.3% of patients had bilateral eye involvement. About half of patients had stage I disease (N=59, 56.2%) and 20% had stage IV. Most patients (73.3%) had a low-risk International Prognostic Index. Radiotherapy was the main treatment for patients with limited-stage disease (66.7% in stage I and 56.5% in stage II). The overall response rate was 100% with complete response rates 80%, 77.3%, and 64.7% for stages I, II, and IV, respectively. Five-year progression-free survival (PFS) and overall survival were 66.1% and 94.0%, respectively. For patients with limited-stage disease, radiotherapy significantly improved PFS compared with treatment not involving radiotherapy (5-year PFS 89.9% vs. 37.3%, P=0.01). CONCLUSION: We revealed that POML has good response to treatment, especially radiotherapy, with excellent long-term outcome.

Expression of integrin-linked kinase (ILK) and Toll-like receptor (TLR-2) in ocular adnexal MALT lymphoma and the effects on patients' prognosis / 眼科新进展

Objective To investigate the expression of integrin-linked kinase (ILK) and Toll-like receptor (TLR-2) in ocular adnexal mucosa-associated lymphoid tissue (MALT) lymphoma and the effects on patients' outcomes.Methods Tissue specimens from 46 patients with MALT lymphoma were collected in this study.The expression of ILK and TLR-2 protein was detected by immunohistochemical methods,and the correlation of ILK and TLR-2 protein expression with clinicopathological features and patients' outcomes was analyzed.Results The positive rates of ILK and TLR-2 protein expression in tumor tissues were 67.4％ (31/46) and 71.7％ (33/46),respectively,which was related to the clinical stage of AnnArbor (P ＜ 0.05),rather than to sex,age and lesion location (all P ＞0.05).The survival of patients with ILK positive expression was less than that of ones with ILK negative expression [(21.5 ± 2.7)months vs.(29.2 ± 2.1) months] (P ＜ 0.05);meanwhile,the survival of patients with TLR-2 positive expression was less than that of ones with TLR-2 negative expression [(20.4 ±1.7) months v.(27.6 ± 2.3) months] (P ＜ 0.05).Conclusion ILK and TLR-2 are closely related to biological behavior of ocular adnexal MALT lymphoma,and combination detection of ILK and TLR-2 has a certain guiding value for diagnosis and prognosis.

Clinicopathological Characteristics of Primary Renal Mucosa Associated Lymphoid Tissue Lymphoma:A Case Report and Review Literature / 现代检验医学杂志

Objective Primary renal mucosa associated lymphoid tissue lymphoma (MALT lymphoma)is very rare,here dis-cuss the clinical pathological characteristics and diagnosis,differential diagnosis of primary renal MALT lymphoma.Methods A case of primary renal MALT lymphoma was assayed for clinical and histopathological morphology,an well as immuno-histochemical staining,then reviewed the relevant literature.Results The clinical and imaging characteristics of renal lym-phoma lack of specific performance,the tissue section of the kidney biopsy showed diffuse infiltration of small lymphocytes. The small lymphocytes were centrocytes-like,monocytes-like,and plasma cell differentiation was recognized.Lymphoepithe-lial lesions were scattered.Follicular implanted phenomenon could been seen.Immunohistochemically result:the tumor cells were positive for CD20,PAX-5,CD79αand MUM-1,but negative for CD3,CD5,CD45RO,bcl-2,CD10,bcl-6 and CyclinD1. CD2 1 showed damage FDC network,positive for Kappa,negative for lambda,and it showed monoclonal phenotype,the Ki-6 7 index was about 35%.Final pathology diagnosis was primary renal MALT lymphoma.Conclusion Primary renal MALT lymphoma is very rare,the clinical manifestations and imaging characteristic of renal lymphoma are non-specific and misdiag-nosis frequently occurs in clinical practice,definite diagnosis depends on pathological examination,immunohistochemical stai-ning is helpful to differential diagnosis.

Clinical, endoscopic, pathologic and prognostic factors of primary gastric lymphoma / 中华消化杂志

Objective To explore the clinical,endoscopic,pathologic and prognostic characteristics of primary gastric lymphoma (PGL) and to improve the level of diagnosis and treatment.Methods Sixtythree patients who were confirmed as PGL with operation and endoscopic biopsy pathology during January 2001 to December 2010 were retrospectively analyzed with respects of clinical,endoscopic and pathologic features.Survival analysis and prognosis were evaluated by kaplan-Meier and Cox proportional hazard model,respectively.Results In 63 PGL patients,the numbers of male and female were 40 and 23,respectively,and the average age was (59.8±13.3)years.The major symptoms were abdominal pain,abdominal distension,and gastrointestinal hemorrhage,accounting for 47.6 ％ (30/63),17.5 ％ (11/63),and 17.5 ％ (11/63),respectively.There were 39 (61.9 ％) PGL patients with endoscopic performance for ulcers,34 (54.0 ％) cases involved the gastric stomach antrum.The most immunohistochemistry analyses were diffuse large B-cell lymphoma (DLBCL) (71.4 ％,45/63),followed by mucosa-associated lymphoid tissue (MALT) lymphoma (22.2％,14/63).The frequency of Helicobacter pylori (H.pylori) positivity was lower in patients with DLBCL than that in patients with MALT lymphoma (37.8％(17/45) vs 10/14,x2 =4.872,P=0.027).The accumulate survival rates of one,three and five years were 74.6％,63.5％,55.6％,respectively,and the average survival time was (41.5±3.0) months (95％ confidence interval (CI) 35.7 to 47.4 months) in PGL patients.There was no difference in the average survival time between DLBCL patients treated with surgery combined chemotherapy and those with surgery or chemotherapy alone (38.33±5.21) months vs (50.17±8.98) months vs (41.39±4.40) months,P＞0.05).The patients diagnosed as DLBCL with H.pylori positive had longer average survival time than those with H.pylori negative ((51.90±4.30) months vs (33.30±4.50) months,t=-4.004,P＜0.01).Conclusions Male patients with PGL are slightly more than female.Abdominal pain is the most frequent symptom.Ulcerative lesions are the most common endoscopic demonstrations mostly at stomach sinus.DLBCL is the most pathologic characteristic.There is no significant difference in the survival rate between patients treated with surgery combined with chemotherapy and those treated with surgery or chemotherapy alone.

Professor and National Physician Master GUO Chengjie's Malt Clinical Application Experience / 浙江中医药大学学报

[Objective] To summarize the clinical experience of the national physician master professor GUO Chengjie application of malt, provide reference for clinical application. [Methods] By following GUO Lao clinical practice study and consulting GUO Lao of previous clinical cases, collection, analysis, summarize the experiences of application of malt of GUO Lao and features, case example is given. [Results] Guo Lao clinical application of this product, FaGu and innovation, to create, dosage, many decoction is exquisite, in prescription compatibility, such as liver and qi, clearly purging liver and gall, disinhibiting dampness and relieving jaundice shall use raw product, lactation most appropriate for raw and fry, back to milk needs fry and large dosage, the food is fried with appropriate medium doses, good clinical results will often begot. [Conclusion] GUO Lao unique method of clinical application of malt, clinical each fine effect, is worth learning to imitate.