Evaluating the role of extracellular vesicles as a biomarker under transmission electron microscope in prostate cancer and benign prostate hyperplasia patients.

OBJECTIVES: To our knowledge, EVs (extracellular vesicles) are heterogenous encapsulated nanoparticles generated by the biological cells. EVs can be found in blood, urine and tissue of origin. They contain DNAs, RNAs, proteins specific to the cell of origin. It has been found that in PCa, increase in number of EVs can modulate phenotype and function of the recipient cells. METHODS: This prospective randomized double-blind pilot study was conducted in the SMS Medical College, Jaipur in collaboration with All India Institute of Medical Sciences, New Delhi. For morphometric analysis, the number of extracellular vesicles per micrograph were counted under transmission electron microscope. RESULTS: Out of 16 patients taken in our study, six were in group 1 (BPH group) and 10 were in group 2 (PCa group). The mean number of EVs was significantly higher in the cells of group 2 in comparison to the group 1. Among the PCa patients, mean number of EVs were 25, 30, 35, 43, 46 for the Gleason score 6, 7, 8, 9, 10 respectively. In our study the mean number of EVs in the newly diagnosed PCa group was less as compared to the CSPC and CRPC group. CONCLUSIONS: EVs are membrane bound particles shed regularly from the cells in the extracellular milieu under normal physiological and pathological conditions. In our study the number of EVs were more in the PCa cells in comparison with the BPH cells and among the PCa cells they bear a positive correlation with the Gleason score, thus EVs have the potential to become a biomarker.

Primary hepatic lymphoma: A rare case report.

Primary hepatic lymphoma (PHL) is a rare clinical entity comprising 0.016% of all cases of non-Hodgkin's lymphoma and 0.4% of extranodal non-Hodgkin's lymphoma and can be missed easily. Here, we report a case of PHL treated with primary hepatic resection followed by an Rituximab Cyclophosphamide Doxorubicin Vincristine Prednisone (R-CHOP) chemotherapy regimen, diagnosed after postoperative biopsy report. The patient presented with complaints of pain abdomen, vomiting, anorexia, and weight loss. She had hepatomegaly and no other significant finding. Blood investigations were unremarkable. Biopsy or fine needle aspiration cytology (FNAC) was not taken before surgery. Contrast-enhanced computed tomography of the abdomen demonstrated well-defined solid mass with central hypodense fluid attenuating area in the liver with a thin pseudocapsule. The differential diagnoses considered were secondary to the liver, hepatocellular carcinoma, and hemangioma. Left hepatectomy with the removal of the middle hepatic vein was performed. The postoperative biopsy was reported as diffuse large B cell lymphoma of the liver.

Effect of Comprehensive Surgical Safety System on Patients' Outcome: A Prospective Clinical Study.

Background Patient safety has become an integral part of hospital management to prevent catastrophic events which adversely affects the patients, care providers and the hospital. Surgical Checklists are an easy and simple way to prevent surgical errors and complications. Objective This prospective study is to evaluate the effect of SURPASS (Surgical Patient Safety System) checklist on the outcome of the patients who underwent surgery in our hospital. Methods All the patients who underwent surgery in the sixth unit of Department of Surgery from April 2014 to May 2015 were included in the study excluding those aged above 13 years and day care surgery cases. For the control group (initial six months) no checklist was implemented whereas for the study group (next six months) SURPASS checklist was implemented. Data collected on age, sex, diagnosis, surgical procedure, type of anaesthesia, number and type of postoperative complications, need of second surgery because of complications, length of hospital stay and outcome (discharge, disability or death). Mann-Whitney U test and Fisher's exact test were used for analysis. Results Of the total 372 patients operated, 200 were before and 172 were after implementation of SURPASS checklist. Before implementation of the checklist, complications were noticed in 66.66% of elective and 77.23% of emergency cases. Whereas after implementation of checklist the complications in elective cases were found to be 51.09% (p-value = 0.008) and 67.50% (p-value = 0.024) in emergency cases. Conclusion Implementation of SURPASS checklist is effective in reducing the rate of postoperative complications in both elective and emergency surgeries.