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A Comparison Between Sequential Conventional and Hypofractionated Boost Following Whole-Breast Radiotherapy: A Propensity Score-Matched Analysis. Cureus 2023; 15:e46913. [PMID: 37954819 PMCID: PMC10639086 DOI: 10.7759/cureus.46913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/12/2023] [Indexed: 11/14/2023] Open
Abstract
BACKGROUND The majority of local relapses after breast conservation therapy occur in the proximity of the primary lesion. Studies have shown that boost radiotherapy (RT) following conventional whole-breast radiotherapy (WBRT) of 50 Gy in five weeks improves outcomes. Boost RT also increases the risk of moderate skin reactions and fibrosis. The ideal boost RT dose and timing (sequential versus simultaneous) after hypofractionated radiotherapy schedules remain unclear. This retrospective propensity score-matched analysis assessed the outcome of sequential hypofractionated boost compared to conventional fractionated boost. METHODS The study was approved by the Institutional Review Board of the Regional Cancer Centre, Thiruvananthapuram, India. Patients with stage I-III breast cancer who have received adjuvant radiotherapy with a sequential boost of either hypofractionated RT (8 Gy in three fractions) or conventional fractionated RT (10 Gy in five fractions) after conservative breast surgery were identified from the radiotherapy planning records and included in this study. A 1:1 case matching was performed using a propensity score incorporating four known prognostic factors, namely, clinical and pathological composite stage, tumor grade, tumor biology (based on estrogen and/or progesterone and HER2 neu expression), and boost technique, which may have an impact on acute toxicity to make the two boost groups more homogenous. RESULTS After propensity score matching (PSM), there were a total of 166 patients, with 83 patients each in both conventional and hypofractionated boost RT groups. The median follow-up period was 30.7 months. At two years, locoregional recurrence-free survival (LRFS) was 98.8% in both groups. Disease-free survival (DFS) at two years for the hypofractionated group and conventional group was 91.5% and 96.3% (hazard ratio (HR): 2.5, 95% confidence interval (CI): 0.664-9.4, p = 0.161), respectively, with no statistically significant difference. Patients with grade 3 tumors who received hypofractionated boost had a statistically significant increased risk of recurrence (DFS: 88.9% versus 100%, HR: 60.559, 95% CI: 0.138-26613.2, p = 0.011). The overall survival (OS) at two years was 100% in both groups. There was no difference in acute skin toxicity between the two groups. CONCLUSION The present interim analysis shows similar locoregional recurrence-free survival, overall survival, and disease-free survival and acute skin toxicity for hypofractionated boost RT of 8 Gy in three fractions compared to the conventional boost of 10 Gy in five fractions. Hypofractionated boost is a feasible alternative option following hypofractionated whole-breast radiotherapy for women with breast conservation treatment. However, longer follow-up is required before forming definite conclusions.
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Validation of Sentinel Lymph Node Biopsy Technique Using Dual Tracer Technique in Post Lumpectomy Early Breast Cancer Patients. Indian J Surg Oncol 2023; 14:434-439. [PMID: 37324305 PMCID: PMC10267054 DOI: 10.1007/s13193-020-01242-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 09/24/2020] [Indexed: 11/28/2022] Open
Abstract
Sentinel lymph node biopsy (SLNB) is the gold standard for the evaluation of axilla in clinically node-negative early breast cancers. There is limited data on the role and efficacy of the same in the post lumpectomy scenario. This prospective interventional study was conducted over 1 year on 30 post lumpectomy pT1/2 cN0 patients. SLNB was performed by preoperative lymphoscintigram using technetium-labeled human serum albumin followed by intraoperative blue dye injection. Sentinel nodes were identified based on blue dye uptake and gamma probe and sent for intra operative frozen section. Completion axillary nodal dissection was performed in all cases. The primary end point was sentinel node identification rate and accuracy of nodal frozen section. Sentinel node identification rate was 86.7% (n = 26/30) for scintigraphy alone and 96.7% (n = 29/30) using combined method. Average sentinel nodal yield/patient was 3.6 (range 0-7). Maximum yield was seen for hot and blue nodes (1.86). Sensitivity (n = 9/9) and specificity (n = 19/19) of frozen section were 100% with a false negative rate of 0% (0/19). Demographic factors such as age, body mass index, laterality, quadrant, biology, grade, and pathological T stage had no impact on the identification rate. Sentinel lymph node using dual tracer has a high identification rate and a low false negative rate post lumpectomy. Age, body mass index, laterality, quadrant, grade, biology, and pathological T size had no impact on the identification rate.
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YAP transduction drives triple-negative breast cancer aggressiveness through modulating the EGFR‒AKT axis in patient-derived xenograft cells. Med Oncol 2023; 40:137. [PMID: 37014473 DOI: 10.1007/s12032-023-02007-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 03/24/2023] [Indexed: 04/05/2023]
Abstract
Aside from the high prevalence of incidents of breast cancer, the high grade of heterogeneity and the dearth of standard treatment guidelines make triple-negative breast cancer (TNBC) the most refractory subtype. Though still in its infancy, the Hippo pathway has been known to play a critical role in tumorigenesis. However, the molecular mechanics through which the pathway exploits the breast cancer (BC) cell vulnerability are largely unexplored. In this study, we observed a relatively higher expression of the Hippo effector, yes-associated protein (YAP), in TNBC patients compared to non-TNBC patients. Thus, we sought to investigate the contribution of Hippo signaling in TNBC by focusing particularly on transducers of the pathway. Impeding YAP transactivation by means of RNA interference or pharmacological inhibition was carried out, followed by evaluation of the subsequent biological changes at the molecular level. We successfully translated the observed data into a TNBC patient-derived xenograft cell line (PDXC). We discovered that nuclear translocation of YAP was associated with TNBC aggressive characteristics and activated the EGFR-AKT axis. Here, we explored the putative role of the Hippo transducer in enhancing cancer hostility and observed that YAP transduction drives proliferation, migration, and survival of TNBC by preventing cellular apoptosis through mediating EGFR activation. These observations suggest that YAP represents a major vulnerability in TNBC cells that may be exploited therapeutically.
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P243 Is the indian population ready for acosog z0011 protocol? Breast 2023. [DOI: 10.1016/s0960-9776(23)00361-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023] Open
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Laparoscopic vs Open surgery for rectal cancer - A single institutional propensity score matched study in South India. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2023. [DOI: 10.1016/j.ejso.2022.11.386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Sentinel lymph node biopsy in breast cancer after neoadjuvant chemotherapy using prechemotherapy breast tattooing- A prospective study. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2023. [DOI: 10.1016/j.ejso.2022.11.226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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Feasibility of low axillary sampling in de-escalation of post chemotherapy axilla in cytologically proven node positive breast cancer. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2023. [DOI: 10.1016/j.ejso.2022.11.296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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Effectiveness of triennial screening with clinical breast examination: 14-years follow-up outcomes of randomized clinical trial in Trivandrum, India. Cancer 2023; 129:272-282. [PMID: 36321193 PMCID: PMC10091935 DOI: 10.1002/cncr.34526] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND This study presents the preliminary results of a randomized controlled trial (RCT) initiated in January 2006 in India to evaluate the effectiveness of clinical breast examination (CBE) in reducing breast cancer mortality as compared to a no-screening control group reported significant downstaging in the intervention group. The present manuscript reports long-term follow-up outcomes. METHODS Women 30-69 years old from 133 intervention clusters and 141 control clusters were invited to participate. Women in the intervention arm underwent three rounds of CBE every 3 years. CBE-positive women were reexamined by a physician, and triple-assessment was performed on those confirmed to have abnormalities. All participants were followed through home visits and linkage with population-based cancer registry. RESULTS Of the 55,843 eligible women in the intervention arm, 95.7% had CBE at least once and 11.5% were CBE-positive. Breast cancers were diagnosed in 335 participants in the intervention group and 273 in the control group (N = 59,447). Age-standardized incidence rate of early cancer was 30.4 of 100,000 in the intervention and 21.9 of 100,000 in the control group, with a rate ratio (RR) of 1.4 (95% confidence interval [CI], 1.1-1.8). The age-standardized breast cancer mortality rates were 11.3 and 11.1 per 100,000 in intervention and control arms, respectively (RR, 1.1; 95% CI, 0.8-1.5) after 15 years. Five-year breast cancer survival rates were 77.0% in the intervention and 71.2% in the control groups (overall p value = .043). CONCLUSIONS Triennial CBE screening failed to demonstrate any mortality benefit despite achieving a shift toward earlier stage at detection and improved survival in the intervention arm. CBE is a valuable tool for diagnosis of breast cancer in symptomatic women especially in areas where mammography and/or breast cancer screening programs are not widely available.
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Co-expression of galectin-3 and vimentin in triple negative breast cancer cells promotes tumor progression, metastasis and survival. Tumour Biol 2023; 45:31-54. [PMID: 37574746 DOI: 10.3233/tub-230002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023] Open
Abstract
BACKGROUND Lack of druggable targets and complex expression heterogeneity of known targets is common among TNBC subtypes. An enhanced expression of galectin-3 in TNBCs has already been documented. We have observed a tumor progression-dependent galectin-3 expression in TNBCs compared to adjacent epithelium and non TNBCs. OBJECTIVE To unravel the association of galectin- 3 in tumor progression, aggressiveness and drug resistance in TNBC patients. METHODS Galectin-3 expression in 489 breast cancer tissues was correlated with clinicopathological features and the results were validated in cell lines and mouse model by silencing galectin-3 using shRNA and the proteins were profiled by western blot and qRT-PCR. Protein interaction was analyzed by GFP Trap and Mass spectrometry. RESULTS Galectin-3 expression correlated with tumor stage in TNBC and a lower galectin-3 expression was associated with poor patient survival. The positive correlation between galectin-3, vimentin and CD44 expression, pinpoints galectin-3 contribution to epithelial to mesenchymal transition, drug resistance and stemness. Vimentin was found as an interacting partner of galectin-3. Duplexing of galecin-3 and vimentin in patient samples revealed the presence of tumor cells co-expressing both galectin-3 and vimentin. In vitro studies also showed its role in tumor cell survival and metastatic potential, elementary for tumor progression. In vivo studies further confirmed its metastatic potential. CONCLUSIONS Tumor progression dependent expression pattern of galectin 3 was found to indicate prognosis. Co-expression of galectin-3 and vimentin in tumor cells promotes tumor dissemination, survival and its metastatic capability in TNBCs.
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Limberg Flap in Breast Oncoplasty for Carcinoma Breast Revisited-a Tertiary Cancer Centre Experience. Indian J Surg Oncol 2022; 13:876-879. [PMID: 36687259 PMCID: PMC9845500 DOI: 10.1007/s13193-022-01589-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 07/12/2022] [Indexed: 01/25/2023] Open
Abstract
Limberg flap is currently not commonly used in breast oncoplasty. We present our experience with Limberg flap reconstruction in breast cancer patients who underwent breast conservation surgery. This study was conducted at a tertiary cancer centre in Kerala, India. We reviewed the records of patients with breast cancer who underwent Limberg flap reconstruction with breast conservation surgery from 1st January 2020 to 31st October 2021. Data collected included age, quadrant of tumour, side of tumour, T and N stage, status at surgery (primary or post neoadjuvant therapy), type of surgery, flap complications following surgery and breast deformity following surgery. Seventeen patients underwent Limberg flap reconstruction during the study period. The median age of the patients was 51 years. The commonest stage was cT1N0M0. Twelve patients underwent primary surgery and 5 post neoadjuvant chemotherapy. No patient had postoperative flap complications or breast deformity. Limberg flap is simple, versatile and robust and should be a part of the armamentarium of breast surgeons.
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Is Young Age an Independent Prognostic Factor in Carcinoma Breast? A Single-Institution Retrospective Comparative Study from South India. Indian J Surg Oncol 2022; 13:783-788. [PMID: 36687252 PMCID: PMC9845507 DOI: 10.1007/s13193-022-01542-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 04/25/2022] [Indexed: 01/25/2023] Open
Abstract
Breast cancer is the most common cancer in women globally(1). It is usually a disease of old age. The incidence of breast cancer in females younger than 40 years is as low as 0.5%. Disease in patients with age less than or equal to 40 years at diagnosis is usually considered a young breast cancer(2). Occurrence of more adverse pathological features like triple negative and Her2 positive breast cancer as well as lacking reliable screening methods in young women leads to the poor prognosis in this group of patients(3). In the present study we aim to find the clinical and pathological characteristics of breast cancer in young women and their survival outcome for 5 years comparing the same with those characteristics of the older patients. Patients with nonmetastatic carcinoma breast who had registered at Regional Cancer Centre, Trivandrum, during the year 2012 were selected for the study. Patient's details including the clinicopathological features, treatment details, oncologic outcomes including recurrence, and survival data until 31 July 2019 were collected from treatment files kept in the hospital and via telephonic interview. Kaplan-Meier method was employed for survival analysis. Survival comparison was done using the log-rank test. Cox proportional hazards regression analysis was done for assessing the risk. Out of 1611 curatively treated patients with carcinoma breast, 281 (17.44%) were young breast cancer (equal to or less than 40 years). The median follow-up period was 82 months. Median age of diagnosis was 51.3 years. Young patients presented with larger tumour size, but nodal stage and composite stage, were not different. They had more TNBC status, 35% vs. 24%, p = 0.001. Young patient group had a drop in 5-year OS but statistically insignificant (75.9% vs. 82.5%, p = 0.179) and marginally significant drop in DFS (68.1% vs. 73.8%, p = 0.064). The proportion of young breast cancer is very high in the Indian population. Age is not an independent risk factor for worse prognosis. T and N stage, Her2nue status, and adequacy of nodal clearance are the most important independent risk factors deciding the 5-year OS.
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Effects of Revision Surgery and Surgical Margins on Outcome of Peripheral Soft Tissue Sarcomas: Experience from a Tertiary Cancer Care Centre. Gulf J Oncolog 2022; 1:21-26. [PMID: 35695342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2021] [Indexed: 06/15/2023]
Abstract
INTRODUCTION The purpose of this study is to assess the impact of revision surgery, after unplanned excision, on oncological outcome and surgical morbidity in soft tissue sarcomas and also to assess the relation between margin status and oncologic outcome. MATERIALS AND METHODS We undertook a retrospective analysis of prospectively maintained database of 153 patients with peripheral soft tissue sarcomas treated in our institute from 2006-2010. RESULTS Postoperatively, 111(72.5%) patients had negative margins, 20(13.1%) had close margins and 22(14.4%) had planned positive margins. Local recurrence rate was 19.8% in patients with negative margins and 28.6% for patients with close or positive margins (p= 0.007). There was no statistically significant difference in rates of distant metastases (18.9% vs 21.4%, p value 0.56) and five-year overall survival (82.5% Vs 79.8%, p value 0.41) between margin negative and close/positive groups. The five-year overall survival rates were 80.4 vs 77.8% (p =0.42) and five-year disease-free survival rates were 72.4% vs 70.2% (p=0.3), in the revision surgery group and primary surgery group respectively. CONCLUSION Margin status after excision of soft tissue sarcoma is not a direct predictor for overall survival or distant metastasis. Revision surgery after an unplanned excision does not carry worse survival compared to primary surgery group.
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Quality of Life Post Breast Cancer Surgery: Comparison of Breast Conservation Surgery versus Modified Radical Mastectomy in a Developing Country. South Asian J Cancer 2022; 11:183-189. [PMID: 36588615 PMCID: PMC9803550 DOI: 10.1055/s-0042-1743420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Introduction Breast cancer survivors are the largest group of female cancer survivors. Oncologic breast surgery can have a profound impact on a woman's body image and sense of self that can significantly affect their quality of life (QOL). The paucity of data about the effect of type of surgery on QOL of Indian breast cancer survivors has led to this study. Materials and Methods This prospective study included consecutive female early breast cancer patients who underwent primary surgery, that is, breast conservation surgery (BCS) or modified radical mastectomy (MRM) from January 1, 2015 to December 31, 2015. The primary objective was the comparison of QOL using European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30) and EORTC QLQ-BR 23 between the two groups at 6 months and 1 year postsurgery with the baseline. Results One hundred and thirty-eight patients were included of which 62 underwent BCS and 76 underwent MRM. BCS patients fared better with respect to physical functioning, dyspnea, fatigue, appetite loss, and body image at 6 months ( p < 0.05) as compared with MRM. At 1 year postsurgery, BCS patients fared better with respect to physical functioning, role functioning, global health status, body image, sexual enjoyment, and dyspnea, while MRM patients fared better in emotional functioning and future prospectives ( p < 0.05). Conclusion Patients undergoing BCS have a better QOL with respect to various functional and symptom scales at 6 months and 1 year. However, patients undergoing MRM perform better in terms of future perspective and emotional functioning at 1 year.
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Design and Process of Implementation Mobile Application Based Modular Training on Early Detection of Cancers (M-OncoEd) for Primary Care Physicians in India. Asian Pac J Cancer Prev 2022; 23:937-946. [PMID: 35345366 PMCID: PMC9360960 DOI: 10.31557/apjcp.2022.23.3.937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 03/23/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Early detection of curable cancers is a cost-effective way to address the cancer care burden of low- and middle-income countries and active engagement of primary care physicians using mobile technology can have a significant impact on cancer outcomes in a short time. AIMS To describe the process of mHealth study; Oncology Education and Training for Providers using Mobile Phones which developed a mobile application (M-OncoEd) to educate physicians on approaches to early detection of curable cancers. It also aims to describe how the insight gained through qualitative research by the researchers was used in the design and implementation of the project. METHODOLOGY Qualitative research methods were used in all the phases of the study. Phenomenology was used in the formative phase with three expert meetings, two Focus Group Discussion (FGD) and five In-depth Interviews (IDI), and during the implementation stage with two FGDs, three IDI, and five informal discussions. OBSERVATIONS The majority of curable cancers are detected at a late stage and poorly managed in India, and active engagement of primary care physicians can have a significant impact on cancer outcomes. There is a lack of knowledge and skills for early detection of cancers among consultants and physicians and this can be attributed to the training gap. M-OncoEd was a need-based well designed engaging learning platform to educate primary care physicians on Breast, Cervical, and Oral Cancer early detection. It was found to be very useful by the beneficiaries and made them more confident for early detection of cancers from the community. CONCLUSIONS This research study could design a need-based, cost-effective mobile-based learning tool for primary care physicians using the expertise and experience of the experts in cancer care using qualitative methods.
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Increasing the exclusive breastfeeding rate in a private hospital in UAE through quality improvement initiatives. J Neonatal Perinatal Med 2022; 15:179-186. [PMID: 34120921 DOI: 10.3233/npm-210703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND Mother's milk is the best, and ideal method for infant feeding. We found that this practice was not being followed in our hospital. A survey was conducted in the unit with regards to breastfeeding practices which revealed that most babies who were discharged from our nursery were on formula supplements. Our goal was to improve established breastfeeding rates in the unit by increasing the number of full-term healthy babies who were discharged on exclusive Breastfeeding. METHOD A project team was formed, and data were collected through direct observations and direct interviews with postnatal mothers. Exclusive Breastfeeding at discharge was defined as a baby being fully on breastfeed with no additional formula supplements for at least 12 hours prior to discharge. The primary outcome was to increase the percentage of babies being discharged on exclusive Breastfeeding. We used the FOCUS PDCA model to measure improvements and 8 PDCA cycles of 4 weeks duration were implemented to test the changes. RESULTS The interventions we put in place led to a considerable nine times overall improvement in the established breastfeeding rates. Among all the interventions, the most promising results were observed during the PDCA cycles involving staff education, the introduction of antenatal classes for mothers, skin to skin contact and rooming in. CONCLUSION Breastfeeding rates in the private sector with nursery services can be improved by reinforcing breastfeeding education for mothers in addition to training the maternal care staff, empowering them to promote and assist in breastfeeding.
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Acceptability, Utility, and Cost of a Mobile Health Cancer Screening Education Application for Training Primary Care Physicians in India. Oncologist 2021; 26:e2192-e2199. [PMID: 34286909 PMCID: PMC8649011 DOI: 10.1002/onco.13904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 07/09/2021] [Indexed: 11/21/2022] Open
Abstract
PURPOSE Mobile health (mHealth)-based oncology education can be a powerful tool for providing cancer screening knowledge to physicians, as mobile technology is widely available and inexpensive. We developed a mobile application (M-OncoED) to educate physicians on cancer screening and tested the acceptability, utility, and cost of two different approaches to recruit physicians. METHODS M-OncoED was designed to perform pre- and postlearning assessments through the in-built quizzes; present case studies and educational materials for cervical, breast, and oral cancer screening; collect responses to interactive queries; document module completion; send reminders and alerts; and track user metrics, including number of sessions to complete each module and time spent per session. We tested two recruitment approaches: a broad-scale recruitment group, for which we relied on e-mails, messaging apps (e.g., WhatsApp), and phone calls, and the targeted recruitment group, for which we conducted a face-to-face meeting for the initial invitation. RESULTS Overall, about 35% of those invited in the targeted group completed the course compared with about 3% in the broad-based recruitment group. The targeted recruitment approach was more cost-efficient ($55.33 vs. $109.43 per person). Cervical cancer screening knowledge increased by about 30 percentage points, and breast cancer screening knowledge increased by 10 percentage points. There was no change in knowledge for oral cancer scorings. CONCLUSION This study has demonstrated the feasibility and utility of using an mHealth app to educate physicians. A more intensive hands-on recruitment approach is likely required to engage physicians to download and complete the app. Future studies should assess the impact of mHealth tools on physician behavior and patient outcomes. IMPLICATIONS FOR PRACTICE Mobile health (mHealth)-based oncology education can be a powerful tool for providing cancer screening knowledge to physicians, as mobile technology is widely available and inexpensive. This study has demonstrated the feasibility and utility of using an mHealth app to educate physicians and illustrates the type of recruitment approach (face-to-face) that is likely required to incentivize physicians to download the app and complete the training.
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Clinico-pathological profile and survival outcome among patients with bilateral breast cancer : An Indian perspective. Eur J Surg Oncol 2021. [DOI: 10.1016/j.ejso.2020.11.249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Sentinel node biopsy in post-neoadjuvant chemotherapy breast cancer patients using preoperative breast tattooing-A novel technique. Breast J 2021; 27:284-286. [PMID: 33506981 DOI: 10.1111/tbj.14167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 12/22/2020] [Accepted: 01/05/2021] [Indexed: 11/28/2022]
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Contralateral Breast Primary in Breast Cancer Survivors-An Experience from a Tertiary Care Centre in Thiruvananthapuram, Kerala, India. J Clin Diagn Res 2021. [DOI: 10.7860/jcdr/2021/50983.15366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Introduction: Improved life expectancy after breast cancer treatment has led to increased incidence of contralateral breast cancers. There are no well established guidelines for the management of these cancers. There is a paucity of Indian data regarding contralateral breast cancers. Aim: To describe the clinicopathological profile and prognostic outlook of patients with contralateral breast cancers. Materials and Methods: This was a retrospective cross-sectional study in which all patients who underwent surgery for non metastatic breast cancer between January 2006-December 2010 at Regional Cancer Centre, Thiruvananthapuram, Kerala, India, were identified. The follow-up data of these patients (6240 patients) were retrieved from medical records division in January 2020. The medical records of all these patients who developed contralateral breast cancer were analysed. Results: A total of 98 patients (1.57%) developed contralateral breast cancer. Most of the second breast cancers were presented at a lower stage than index cancer. Twenty five patients (25.51%) contralateral breast cancers were detected after five years. A total of 58 patients (59.18%) had interval cancer. Among them, 32 (55.17%) were detected by the treating doctor and 26 patients (44.83%) were symptomatic. The median duration of follow-up was 98 months (range 24-150 months). The five year Overall Survival (OS) was 80.5% and five year Disease Free Survival (DFS) was 62.8%. The patients who developed contralateral breast cancer within three years had lower five year OS when compared to those who developed after three years (75.5% vs 86.7% p=0.85). Five year OS was 74.8%, 81% and 85% for patient reported interval cancer, physician detected interval cancers and mammogram detected cancers respectively (p=0.9). Conclusion: Most contralateral breast cancers presented in a lower stage than index cancer. Contralateral breast cancer has got a reasonably good five year OS. There is no significant OS difference between mammogram detected second cancer and interval cancer. There was a need for more frequent clinical breast examination even after five years to detect contralateral primary in an early stage. Cost effectiveness of frequent follow- up mammogram examinations compared to clinical examination should be evaluated in future prospective studies.
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Pancreas size and exocrine function is decreased in young children with recent-onset Type 1 diabetes. Diabet Med 2020; 37:1340-1343. [PMID: 31094026 DOI: 10.1111/dme.13987] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/14/2019] [Indexed: 12/22/2022]
Abstract
AIMS To measure pancreatic area and exocrine function in young children with recent-onset Type 1 diabetes to determine whether the exocrine pancreas is also affected in the pathophysiology of early childhood diabetes. METHODS Thirty-two children (14 boys) aged 5.5 (4.5, 7.3) median (IQR) years presenting with recent-onset Type 1 diabetes and 90 controls (44 boys) of similar age had ultrasound imaging of the pancreas. Children with Type 1 diabetes were receiving insulin and were without ketosis. Transverse and longitudinal areas of the pancreas were measured by digitalized outline. Pancreatic faecal elastase-1 was analysed using an enzyme-linked immunosorbent assay kit in recent-onset Type 1 diabetes and 38 first-degree relative control children. RESULTS Pancreatic area and exocrine function were reduced in Type 1 diabetes. Mean transverse area (SD) in Type 1 diabetes was 6.82 cm2 (1.61) vs. 8.31 cm2 (1.74) in controls, adjusted estimate (95% CI) 1.45 (-2.12, -0.79), P < 0.001; longitudinal area was 1.28 cm2 (0.44) vs. 1.55 cm2 (0.43), adjusted estimate (95% CI) -0.27 (-0.45, -0.09), P = 0.003. Faecal elastase-1 levels in Type 1 diabetes were 455 (323, 833) ug/g, median (IQR) vs. 1408 μg/g (1031, 1989) in controls, P < 0.001. CONCLUSION Pancreatic area and accompanying subclinical exocrine function were reduced in very young children with recent-onset Type 1 diabetes. This supports changes in the exocrine pancreas in the pathophysiology of Type 1 diabetes presenting in early life.
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Level III dissection in locally advanced breast cancer following neoadjuvant chemotherapy: a retrospective study. Ann R Coll Surg Engl 2019; 102:214-219. [PMID: 31755729 DOI: 10.1308/rcsann.2019.0142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Breast cancer is the most common female cancer in India, and 30-60% of patients present with locally advanced breast cancer. Level III clearance is routinely performed in India in locally advanced breast cancer following neoadjuvant chemotherapy, even in clinical complete response. We analysed our data of patients with locally advanced breast cancer post-neoadjuvant chemotherapy who have undergone level III clearance to identify any subgroup in which level III dissection can be avoided. MATERIAL AND METHODS This is a retrospective study of female patients with locally advanced breast cancer who received neoadjuvant chemotherapy and underwent breast surgery including level III nodal clearance between June 2016 and May 2018. Data collected included age, menopausal status, TNM stage at presentation, grade, estrogen, progesterone, human epidermal growth factor receptor 2 status, response to treatment, post-chemotherapy stage and final histopathology. Uni- and multivariate analysis was undertaken. RESULTS Data from 200 patients was analysed. The level III positivity rate was 15.5%. The clinical complete response rate was 43%, of which 41% had pathological complete response. A significant association was present between level III node positivity and pathological T stage (p=0.03). No association was seen between level III positivity and any other studied variables. In the subset of patients with cT3N1 and cT2N2, level III positivity was seen in only 3/49 (6.1%) and 1/31 (3%), respectively. CONCLUSION Level III positivity rate is high and so cannot be avoided in locally advanced breast cancer following neoadjuvant chemotherapy. None of the preoperative factors predict for level III positivity. Level III positivity in cT3N1 and cT2N2 is low and these subgroups require further studies.
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Expression of immunomodulatory molecule, programmed death ligand-1 in triple negative invasive breast cancer in the Indian population. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz099.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Superficial incisional surgical site infections in emergency surgery in cancer patients: A tertiary cancer care center experience. Indian J Cancer 2019; 55:154-156. [PMID: 30604727 DOI: 10.4103/ijc.ijc_534_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE The objective of this study is to review the superficial incisional surgical site infections (SISSIs) in emergency surgery in cancer patients. MATERIAL AND METHODS The microbiological culture and sensitivity reports of patients undergoing emergency surgery for cancer of 1 year (April 2016 to March 2017) were analyzed along with the clinical factors associated with it from a surgeon's perspective. RESULTS Of the 308 patients who underwent surgery, SISSI rate was 11.7%. The most common organism was Escherichia coli (27%) followed by enterococci (21%). Prolongation of hospital stay was average 2 days. Mortality rate among SISSI patients was 7.9%. Concordance among ongoing antibiotic and culture was 72%. CONCLUSION Regular review of the current microbial spectrum and its antibiotic spectrum is required, especially in immunocompromized cancer patients.
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Prevalence of Known Risk Factors of Breast Cancer and Breast Cancer Screening Practices Among Women in Thiruvananthapuram, Kerala, India. J Glob Oncol 2018. [DOI: 10.1200/jgo.18.48200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Breast cancer rates are rising both in the developed and the developing world, probably due to increase in life expectancy, increasing urbanization and adoption of western lifestyles. Incidence of breast cancer is reported to be increasing in India and it has become the most common cancer among women. Kerala and its capital city Thiruvananthapuram are also following the same pattern. Early detection and treatment of breast cancer is highly beneficial as it leads to increased survival rates and better quality of life to the patient. By identifying the risk factors and through regular and proper screening practices, we can detect the high risk population for this disease and contribute to its prevention and early treatment. Aim: 1. To study the prevalence of known risk factors of breast cancer among women aged 20 years and above in Thiruvananthapuram, Kerala, India. 2. To describe the breast cancer screening practices prevalent in the study population and to find out the proportion of high risk individuals using breast cancer risk calculator. Methods: A community based cross sectional survey was conducted among 2000 women hailing from Thiruvananthapuram. General population was invited through mass media to attend breast cancer screening camps. 2000 women aged more than 20 years who attended the camps and gave informed consent were included in the study. Data were collected from 40 participants each from 50 camps out of a total of 150 screening camps. A semi structured pro forma was used to collect the data regarding the sociodemographic profile, the various known risk factors of breast cancer according to research literature and breast cancer screening methods undergone. Descriptive statistics was done using SPSS version 16. Results are expressed in proportions with 95% confidence interval, wherever appropriate. Results: The mean age of the study population was 45.67 years. Majority of the women 82.5% had never undergone any sort of breast cancer screening. Clinical breast examination alone was undergone by 9.8%. Breast cancer risk calculator showed that 65% of the women screened had normal risk, 22.2% had moderate risk and 12.9% had high risk. Conclusion: Increased prevalence of major known risk factors of breast cancer like positive family history, low breast feeding duration, late age at menopause, are found. Also the prevalence of modifiable risk factors like obesity and low physical activity are high. Majority of the study participants have never undergone any breast cancer screening. Breast cancer risk calculator showed a fairly high prevalence of study participants in high risk and moderate risk category and therefore women need to be motivated to undergo regular screening.
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Clinical Breast Examination Campaign: Experience From Thiruvananthapuram, South India. J Glob Oncol 2018. [DOI: 10.1200/jgo.18.47900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background and context: Thiruvananthapuram has the highest breast cancer incidence in India and majority of cases are detected late pointing to the inefficiency of early detection programs. Primary health care providers do not advise regarding regular screening and most women never resort to any screening practices. Mammogram is not cost-effective and clinical breast examination (CBE) is not popular as a screening modality in our population. Aim: To describe the conduct, utilization and outcome of mass screening program conducted in Thiruvananthapuram. Strategy: A mass screening program with media publicity to motivate organizations and residential associations was planned. CBE was conducted by one of the five lady doctors who were trained by an expert breast surgeon at a tertiary care center to detect suspicious lumps. All suspicious cases referred to experts who would further evaluate the cases at a clinic outside the tertiary care center. Advocacy and expert service at accessible sites and availability of expert service outside the tertiary care center at convenient timings improved the acceptance of screening. Intersectoral coordination, community participation, accessible expert services and appropriate technology were followed. Program/Policy process: 9942 women had CBE along with breast awareness in 101 camps over 66 days and it was probably “the first ever marathon breast cancer screening campaign” in the world. Sociodemographic variables, details regarding previous screening, breast symptoms and known risk factors were collected. Anyone with suspicious findings was referred to experts. Outcomes: 868 (8.73%) women with suspicious findings were referred to experts who advised 258 mammograms and confirmed breast cancer in 16 women (1.61 per 1000 women). Mean age was 45.46 years. 82.5% had screening for the first time. Uniformity in examination, three levels of screening and minimum utilization of diagnostic procedures makes this campaign distinct from others. All participants are kept on follow-up through a free clinic maintained by a nonprofit NGO in Thiruvananthapuram. Effective planning and selfless service along with coordinated effort of an apex institution (Regional Cancer Centre, Thiruvananthapuram), a private medical college (Sree Gokulam Medical College, Thiruvananthapuram) and media partners were the key to success. What was learned: Early detection of breast cancer is possible by CBE, provided women can be motivated for regular screening and adequate expertise is available. CBE campaigns can improve screening behavior and breast awareness among women. Primary health care providers and mass media could educate women regarding the benefits of breast awareness and motivate them for regular screening. Proper referral system including certified intermediate referral centers should be in place to ensure the success of early detection by CBE.
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Nipple Areola Complex Involvement in Invasive Carcinoma Breast. Indian J Surg Oncol 2018; 9:343-348. [PMID: 30287995 PMCID: PMC6154357 DOI: 10.1007/s13193-018-0729-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Accepted: 01/18/2018] [Indexed: 10/18/2022] Open
Abstract
A variety of factors including tumor biology and distance of the tumor from the nipple have been associated with nipple areola complex involvement in patients with breast cancer. Preoperative understanding regarding these factors can help in modifying the surgical options including preservation of nipple areola complex (NAC) and breast conservation. Nipple sparing surgery (breast conservation surgery/skin sparing mastectomy with immediate reconstruction) for breast cancer has gained widespread interest with the aim of achieving oncologically safe and cosmetically acceptable outcome. To study the proportion of cases with nipple areola complex involvement in invasive carcinoma breast and to describe the variables predictive of nipple areola complex involvement in patients undergoing excision of tumor along with NAC for invasive carcinoma breast. A cross-sectional study was conducted among 136 patients who underwent mastectomy in Regional Cancer Center, Thiruvananthapuram. Tumor nipple distance was assessed preoperatively using mammogram and postoperatively by histopathological examination. Nipple involvement was seen only among 4.4%. Preoperative assessment of tumor to nipple distance, tumor size, location, and stage of the disease agrees with the histopathological examination. Only a small proportion of breast cancer has NAC involvement and preoperative assessment could help the surgeon in deciding on the feasibility of NAC preservation.
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Anorectal melanoma: experience from a tertiary cancer care centre in South India. Ann R Coll Surg Engl 2018; 100:185-189. [PMID: 29046101 PMCID: PMC5930086 DOI: 10.1308/rcsann.2017.0184] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2017] [Indexed: 12/29/2022] Open
Abstract
Introduction Mucosal malignant melanoma of the anorectum is a rare and aggressive disease, in which early diagnosis is difficult. The prognosis remains extremely poor, irrespective of the treatment. We share our experience in treating this malignancy at our centre in South India. Methods This study describes a retrospective analysis of 31 cases of anorectal melanoma presented to our centre between January 2001 and December 2013. Results Twenty-two patients (71%) presented with metastasis and had a median overall survival of nine months. None of the 22 patients survived for two years. Nine patients (29%) had curative surgery, in the form of abdominoperineal resection (six patients), abdominoperineal resection with bilateral inguinal node dissection (one patient), abdominoperineal resection with liver resection (one patient) and posterior exenteration (one patient). In patients who underwent curative surgery, the median overall survival was 15 months and disease-free survival was nine months, with a two-year overall survival of 22%. Conclusions Anorectal melanoma is an aggressive disease with a poor prognosis. The majority of patients present with distant metastases. Prognosis depends on stage at presentation. Early diagnosis and surgical resection may improve the overall outcome. Newer modalities such as immunotherapy and targeted therapies such as anti-CTLA4 monoclonal antibody and anti-programmed cell death protein 1 monoclonal antibodies have radically changed the management of mucosal melanoma and may, in the future, improve the overall prognosis of anorectal melanoma.
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Tubulocystic renal cell carcinoma: An entity related to papillary renal cell carcinoma? MEDICAL JOURNAL OF DR. D.Y. PATIL VIDYAPEETH 2018. [DOI: 10.4103/mjdrdypu.mjdrdypu_206_17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Radical Treatment of Rectal Cancer in Elderly Is Feasible than Feared: Results from a Tertiary Care Centre. Indian J Surg Oncol 2017; 8:479-483. [PMID: 29203977 DOI: 10.1007/s13193-017-0659-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Accepted: 04/20/2017] [Indexed: 11/24/2022] Open
Abstract
The thought of subjecting an elderly patient with rectal cancer to protocol-based neoadjuvant chemoradiation (NACTRT), surgery and adjuvant chemotherapy is sought with fear due to their multiple comorbidities and impaired functional status associated with the process of ageing. Hence, many a times the treatment is compromised and it is a fact that this subgroup of patients is underrepresented in most of the clinical trials. This study was aimed at analysing the perioperative and oncologic outcomes after protocol-based treatment of rectal cancer in the elderly patients, defined here as those with age ≥70 years. Prospective analysis of medical records of rectal cancer patients was done who were ≥70 years of age and were diagnosed and treated at Regional Cancer Centre (RCC), Thiruvanathapuram from 2008 to 2012. In this 5-year period, a total of 339 rectal cancer patients underwent surgery as part of multimodality treatment with curative intent. Of them, 75 patients were ≥70 years of age. Half of them had one or more comorbidities (54%) and majority were locally advanced at presentation (77%). Forty-seven (62%) cases received NACTRT and all of them tolerated RT dose (50.4 Gy) without modification. Anterior resection (AR) was performed in 48 (64%) and abdominoperineal resection (APR) in remaining. Diverting stoma was made in four; of which three remained permanent. Two colostomies were performed for delayed leaks. Three patients (4%) died within 30 days due to leak, sepsis and cardiopulmonary causes. Two thirds (49/75) received adjuvant chemotherapy (ACT) but only 55% of them (27/49) could complete all the cycles without dose modification. The median survival was 28 months. The 3-year disease-free survival (DFS) and overall (OS) were 80.1 and 83.9%, respectively. There were 11 distant recurrences including two locoregional recurrences. The morbidity and mortality of multimodality therapy is reasonable to proceed with radical treatment with curative intent in the elderly patients with rectal cancer.
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Triple Test-a Predictor of Anastomotic Integrity in Patients Undergoing Low Anterior Resection After Neoadjuvant Chemoradiotherapy. Indian J Surg Oncol 2017; 8:506-510. [PMID: 29203981 PMCID: PMC5705510 DOI: 10.1007/s13193-017-0676-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 06/27/2017] [Indexed: 11/24/2022] Open
Abstract
Anastomotic leak after low anterior resection for rectal cancer is a dreaded complication. Diversion stoma helps tiding over this crisis and it is routinely practised in most centres, especially in post chemoradiotherapy setting. But a diversion stoma has got its own problems. In this study, we attempt to use the triple test as a predictor of anastomotic integrity and thereby avoid a diverting stoma, and patients undergoing low anterior resection after neoadjuvant chemoradiotherapy were spared the trouble of a diverting stoma if the on table triple test was negative. Two hundred such consecutive patients were prospectively followed up in the postoperative period. The incidence of anastomotic leak and the factors predicting the same were analysed in this group of patients. The incidence of anastomotic leak in our study was 7%, which is much less when compared to published literature. The triple test was a reliable predictor of the integrity of anastomosis and if the test is negative, a diverting stoma can be avoided. Age more than 60 years and end-to-end anastomosis were found to be associated with increased incidence of leak, and patients with a negative triple test need not routinely undergo diversion stoma after a low anterior resection even in post chemoradiotherapy setting.
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Oncological Safety of Breast Conservation Surgery in Young Females. Indian J Surg Oncol 2016; 7:332-5. [PMID: 27651695 DOI: 10.1007/s13193-016-0535-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 05/31/2016] [Indexed: 10/21/2022] Open
Abstract
Breast conservation surgery (BCS) is the standard of care in early breast cancer. The oncological safety of this procedure has been proven beyond doubt in several randomised control trials. But there are concerns regarding the safety of this procedure in young females. The concern is regarding increased risk of local recurrence. This issue has not been addressed in any major trial. In this prospective study we intend to look into the oncological safety of BCS in young patients who are less than forty years of age.
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Temporal Trends and Future Prediction of Breast Cancer Incidence Across Age Groups in Trivandrum, South India. Asian Pac J Cancer Prev 2016; 17:2895-2899. [PMID: 27356709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023] Open
Abstract
BACKGROUND Increasing breast cancer (BC) incidence rates have been reported from India; causal factors for this increased incidence are not understood and diagnosis is mostly in advanced stages. Trivandrum exhibits the highest BC incidence rates in India. This study aimed to estimate trends in incidence by age from 2005- 2014, to predict rates through 2020 and to assess the stage at diagnosis of BC in Trivandrum. MATERIALS AND METHODS BC cases were obtained from the Population Based Cancer Registry, Trivandrum. Distribution of stage at diagnosis and incidence rates of BC [Age-specific (ASpR), crude (CR) and age-standardized (ASR)] are described and employed with a joinpoint regression model to estimate average annual percent changes (AAPC) and a Bayesian model to estimate predictive rates. RESULTS BC accounts for 31% (2681/8737) of all female cancers in Trivandrum. Thirty-five percent (944/2681) are <50 years of age and only 9% present with stage I disease. Average age increased from 53 to 56.4 years (p=0.0001), CR (per 105 women) increased from 39 (ASR: 35.2) to 55.4 (ASR: 43.4), AAPC for CR was 5.0 (p=0.001) and ASR was 3.1 (p=0.001). Rates increased from 50 years. Predicted ASpR is 174 in 50-59 years, 231 in > 60 years and overall CR is 80 (ASR: 57) for 2019- 20. CONCLUSIONS BC, mostly diagnosed in advanced stages, is rising rapidly in South India with large increases likely in the future; particularly among post-menopausal women. This increase might be due to aging and/or changes in lifestyle factors. Reasons for the increased incidence and late stage diagnosis need to be studied.
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Effect of shilajit on the heart of Daphnia: A preliminary study. J Ayurveda Integr Med 2012; 3:3-5. [PMID: 22529672 PMCID: PMC3326792 DOI: 10.4103/0975-9476.93938] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2011] [Revised: 07/04/2011] [Accepted: 07/11/2011] [Indexed: 11/23/2022] Open
Abstract
Shilajit is a mineral-rich complex organic compound used in the traditional system of Ayurvedic medicine for treating hypertension and improving the cardiac function with many herbomineral preparations. However, very little experimental evidence is available about its effect on the cardiac function. We used Daphnia as a model organism for observing the effect of shilajit on its heart due to its myogenic properties and its response to number of cardioactive drugs that are known to affect human heart function. Genome of Daphnia shows the strongest homology with the human genome. These characteristics of Daphnia make it an ideal organism for biomedical research. Our results suggest that this complex organic compound lowers the heart beats as its concentration increases from 1.0 to 100 ppm. The beats come to near normal condition at 1000 ppm. Above 1000 ppm, the beats are very fast and impossible to count. These results indicate a negative chronotropic effect on the Daphnia heart at low concentrations and a positive chronotropic effect to arrhythmia and finally failure at increasing higher concentrations of shilajit.
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A rethinking on the benefits and drawbacks of common antioxidants and a proposal to look for the antioxidants in allium products as ideal agents: a review. Indian J Clin Biochem 2012; 27:6-20. [PMID: 23277707 PMCID: PMC3286589 DOI: 10.1007/s12291-011-0146-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Accepted: 06/24/2011] [Indexed: 12/14/2022]
Abstract
This review article on the beneficial uses of Allium antioxidants tries to give some answers to the recent doubts raised by Singh et al. (Ind J Clin Biochem 25(3):225-243, 2010) against the claim of some researchers that Antioxidants (AOs) are miraculous molecules. Many people still believe that vitamins like A, C and E are the only true AOs that play important role in the corrections of metabolic derangements in life style diseases and hence all their faults are attributed to the failures of AOs as a class. This is quite unfair as there are many other natural AOs that do equal or even better AO action than the vitamins. Such is the case with the Allium S-alkyl sulfoxide aminoacids and their breakdown products viz, the various poly sulfides and their oxides e.g. allicin and ajoene type compounds which trap electrons mainly. It is true that antioxidant vitamins and β-carotene a precursor of Vitamin A bring about problems as prooxidant or as agents that block some metabolic pathways and gene expression. Again the argument that AOs cannot improve the level of antioxidant enzymes like SOD, catalase and glutathione Px is also not universal. Actually allium AOs can even spare the use of antioxidant vitamins in the body and enhance the action of antioxidant enzymes and supply of ATP and other nutrients to the tissues as the former are good vasodialators and promoters of membrane permeability. The use of AOs should be selective and moderate. Allium AOs satisfy the role of ideal AOs based on many of their invivo and invitro actions reported by the author and others. Their metabolits can regenerate them and recycle them for a sufficient time in the body. They have non antioxidant effects also such as antiplatelet, fibrinolytic, antiinflammatory, immunomodulatory, antiageing actions etc. Plant derived AOs may be more beneficial and better tolerated in their partially purified forms rather than in their absolutely purified forms as the accompanying principles have some protective and regulatory effects in general. This and other aspects of allium AOs are discussed in the paper.
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Clinical breast examination: preliminary results from a cluster randomized controlled trial in India. J Natl Cancer Inst 2011; 103:1476-80. [PMID: 21862730 DOI: 10.1093/jnci/djr304] [Citation(s) in RCA: 143] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
A cluster randomized controlled trial was initiated in the Trivandrum district (Kerala, India) on January 1, 2006, to evaluate whether three rounds of triennial clinical breast examination (CBE) can reduce the incidence rate of advanced disease incidence and breast cancer mortality. A total of 275 clusters that included 115,652 healthy women, aged 30-69 years, were randomly allocated to intervention (CBE; 133 clusters; 55,844 women) or control (no screening; 142 clusters; 59,808 women) groups. Performance characteristics (sensitivity, specificity, false-positive rate, and positive predictive value) of CBE were evaluated. An intention-to-treat analysis was performed for comparison of incidence rates between the intervention and control groups. Preliminary results for incidence are based on follow-up until May 31, 2009, when the first round of screening was completed. Of the 50,366 women who underwent CBE, 30 breast cancers were detected among 2880 women with suspicious findings in CBE screening that warranted further investigations. Sensitivity, specificity, false-positive rate, and positive predictive value of CBE were 51.7% (95% confidence interval [CI] = 38.2% to 65.0%), 94.3% (95% CI = 94.1% to 94.5%), 5.7% (95% CI = 5.5% to 5.9%), and 1.0% (95% CI = 0.7% to 1.5%), respectively. The age-standardized incidence rates for early-stage (stage IIA or lower) breast cancer were 18.8 and 8.1 per 100,000 women and for advanced-stage (stage IIB or higher) breast cancer were 19.6 and 21.7 per 100,000 women, in the intervention and control groups, respectively.
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Garlic Oil and Vitamin E Prevent the Adverse Effects of Lead Acetate and Ethanol Separately as well as in Combination in the Drinking Water of Rats. Indian J Clin Biochem 2010; 25:280-8. [PMID: 21731199 PMCID: PMC3001843 DOI: 10.1007/s12291-010-0042-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2009] [Accepted: 12/17/2009] [Indexed: 12/20/2022]
Abstract
Daily feeding of drinking water containing lead acetate (160 mg/l) or 10% alcohol by volume or a combination of both to rats for a month produced certain deleterious effects through oxidative stress. Both heavy metal lead and alcohol are capable of doing such damages. The deleterious alterations observed were in the parameters of blood, serum and tissues, viz; Hb, Pb, proteins, lipids, lipid per oxidation, Vitamins C and E levels and enzyme activities of AST, ALT, and catalase. Simultaneous feeding of either of the two antioxidants garlic oil (GO) and vitamin E at equal doses of 100 mg/kg/day, to the rats counteracted the deleterious effects of the above two chemicals significantly. The maximum damage was brought about by feeding of drinking water containing both lead acetate and alcohol. The protective effects of GO and Vitamin E were not significantly different. The mechanism of actions of the Vitamin E and GO is probably due to their efficiency as detoxifying agents and antioxidants, to scavenging free radicals as well as an independent action of GO on the removal of lead salt as lead sulfide.
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An automated feeding and behavior monitoring system for rodents. Lab Anim (NY) 2009; 38:375-80. [DOI: 10.1038/laban1109-375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2009] [Accepted: 06/26/2009] [Indexed: 11/09/2022]
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Solving multicomponent chiral separation challenges using a new SFC tandem column screening tool. Chirality 2007; 19:184-9. [PMID: 17192838 DOI: 10.1002/chir.20357] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A tool for improved tandem column chiral supercritical fluid chromatography (SFC) method development screening was prepared by modification of a commercial analytical SFC instrument with two different software-controllable, six position high-pressure column selection valves, each controlling a bank of five different columns and a pass through line. The resulting instrument, which has the ability to screen 10 different individual columns and 25 different tandem column arrangements, is a useful tool for facilitating the screening of tandem column SFC arrangements for separation of complex mixtures of stereoisomers or other multicomponent mixtures. Strategies for optimal use of the instrument are discussed, and several examples of the use of the instrument in developing tandem SFC methods for resolution of multicomponent mixtures are presented.
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Voltammetric studies of sparfloxacin and application to its determination in pharmaceuticals. DIE PHARMAZIE 2006; 61:291-2. [PMID: 16649539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
A detailed study of the electrochemistry of sparfloxacin at a glassy carbon electrode was carried out in the pH range 2.0-10.0 in aqueous solution using cyclic and differential pulse voltammetry. Influence of different supporting electrolytes, pH, scan rate and concentrations were studied on the voltammetric response. The studies revealed the irreversible oxidation of sparfloxacin at basic pH in a diffusion controlled manner. In addition, a differential pulse voltammetric method was proposed for the determination of the drug in different pharmaceutical formulations.
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Multidisciplinary approach in the long-term management of intrahepatic stones: Indian experience. Indian J Gastroenterol 2005; 23:209-13. [PMID: 15627659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Intrahepatic stones, though common in East Asia, are uncommon in India. There is paucity of data from India regarding the treatment and long-term outcome of patients with intrahepatic stones. METHODS We retrospectively analyzed medical records of 35 patients with intrahepatic stones who had been treated surgically. Endoscopic biliary drainage had been used in patients who presented with acute cholangitis. Intraoperative stone clearance was confirmed by choledochoscopy and intraoperative cholangiography. Outcome of surgery, frequency and subsequent management of recurrent intrahepatic stones, and factors associated with stone recurrence and cholangitis were analyzed. RESULTS Twenty-one (60%) patients had bilobar disease. Eight patients underwent hepatectomy and 16 hepatico-jejunostomy with access loop; 12 of these were jejuno-duodenal anastomoses. Postoperative morbidity was observed in 10 patients (29%). Recurrence of stones occurred in 12 patients (34%) and cholangitis in 9 patients (26%). Presence of bilobar disease and associated biliary strictures were associated with recurrent cholangitis (p< 0.05). Two patients (6%) required re-operation for recurrent cholangitis. Complete removal of recurrent stones using conventional endoscope was possible through jejuno-duodenostomy in all 5 cases who had this type of access loop construction. CONCLUSION Surgical treatment for intrahepatic stones depends on the site of involvement. Construction of a jejuno-duodenal access loop in patients with bilobar disease and intrahepatic strictures is helpful in facilitating postoperative stone clearance. A multidisciplinary approach is beneficial especially when the disease is bilobar and recurrent in type.
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Brunner's gland adenoma with circumferential duodenal involvement. Indian J Gastroenterol 2001; 20:243-4. [PMID: 11817781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Brunner's gland adenoma is a benign tumor of the duodenum. We report a 58-year-old man who presented with abdominal pain, vomiting and weight loss. The patient underwent Whipple resection along with lymph node clearance. The resected tumor, 4 cm long, showed hypertrophied Brunner's glands.
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Use of monoclonal antibodies developed against chicken coccidia (Eimeria) to study invasion and development of Eimeria reichenowi in Florida sandhill cranes (Grus canadensis). J Zoo Wildl Med 2001; 32:65-70. [PMID: 12790396 DOI: 10.1638/1042-7260(2001)032[0065:uomada]2.0.co;2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Eimeria gruis and Eimeria reichenowi are common coccidial parasites of a number of species of cranes. Until recently, little was known about either the site for invasion or the dynamics of early development of the crane coccidia because of the difficulty of identifying sporozoites and early developmental stages of these parasites by conventional staining methods. In the present study, monoclonal antibodies (MAbs) elicited against Eimeria spp. of chickens and turkeys were found to cross-react with sporozoites and developmental stages of E. reichenowi in the tissues of Florida sandhill cranes (Grus canadensis). With these Mabs, E. reichenowi sporozoites were found in specimens taken at 6 hr postinoculation (PI) from just proximal to Meckel's diverticulum in the jejunum to the ileocecal juncture. Fewer were found in the ceca and rectum and none in the duodenal loop. At 24 hr PI, there were markedly fewer sporozoites and their location had shifted to the duodenum. No stages were seen in intestinal cells at 5 days PI (DPI), but trophozoites had developed in the liver and spleen. At 10 DPI, sexual stages were detected in the intestine from the duodenal loop through Meckel's diverticulum but not in other organs. By 14 DPI, numerous developmental stages were detected in the intestine (ceca and jejunum), liver, and lungs but not in the heart, kidney, or brain. The number, location, and maturity of the stages in the ceca differed markedly from those in the jejunum.
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Dielectric properties of certain biological materials at microwave frequencies. THE JOURNAL OF MICROWAVE POWER AND ELECTROMAGNETIC ENERGY : A PUBLICATION OF THE INTERNATIONAL MICROWAVE POWER INSTITUTE 2001; 36:67-75. [PMID: 15040525 DOI: 10.1080/08327823.2001.11688450] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In the medical field, microwaves play a larger role for treatment than diagnosis. For the detection of diseases by microwave methods, it is essential to know the dielectric properties of biological materials. For the present study, a cavity perturbation technique was employed to determine the dielectric properties of these materials. Rectangular cavity resonators were used to measure the complex permittivity of human bile, bile stones, gastric juice and saliva. The measurements were carried out in the S and J bands. It is observed that normal and infected bile have different dielectric constant and loss tangent. Dielectric constant of infected bile and gastric juice varies from patient to patient. Detection and extraction of bile stone with possible method of treatment is also discussed.
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Treatment of peptic ulcer disease in the Helicobacter pylori era. Indian J Gastroenterol 2000; 19 Suppl 1:S20-4. [PMID: 11060972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
All patients with gastroduodenal ulcer disease should be tested and treated for Helicobacter pylori whether the ulcer is active or in remission. The rapid urease test, being the most commonly available, is the test of choice in our country. It is prudent to do H. pylori serology in the case of bleeding ulcers. Physicians should choose the regimen with the greatest efficacy regardless of costs. Bazzoli's low-dose triple therapy seems to be an excellent choice from our experience. Outside study protocols, routine checking for ulcer healing and eradication of H. pylori is recommended only for complicated ulcers. However, symptomatic patients need to be re-investigated with endoscopy and rapid urease test.
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Compatibility problems after intravenous immunoglobulin--a case report. INDIAN J PATHOL MICR 1998; 41:495-8. [PMID: 9866917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
Serious incompatibility was noted in a patient diagnosed as acute Guillain Barre syndrome treated with intravenous immunoglobulin. Patient had positive direct and indirect antiglobulin test and the auto control was negative. There was no clinical signs of hemolysis. Patient's blood group was O D positive and cross matched several units of ABO compatible D positive and D negative blood. Only one unit was compatible. These findings suggest that the particular intravenous immunoglobulin contained a mixture of saline and immune antibodies having different specificity. As the number of patients getting treated with intravenous immunoglobulin is on the rise more and more compatibility problems should be anticipated and should be borne in mind during serological testing and evaluation.
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Pancreatic lesions and modifications of pancreatic juice in tropical chronic pancreatitis (tropical calcific diabetes). Dig Dis Sci 1994; 39:1337-44. [PMID: 8200268 DOI: 10.1007/bf02093802] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Seventeen Indian patients from Kerala State and 13 Indian controls were submitted to a dietary inquiry. Indian patients and controls had a low fat intake (40.8 g +/- 12.1 and 34.5 g +/- 11.0 per day, respectively) and a moderately low protein intake (52.8 +/- 9.5 and 47.8 +/- 11.3 g per day); 11 patients and 6 controls did not consume cassava. Pure nonactivated pancreatic juice was collected at endoscopy in 10 Indian patients who presented with tropical calcific diabetes, 12 apparently normal controls from the same area, and 23 apparently normal French controls. The only significant differences between Indian and French controls was a decreased pancreatic protein response to cerulein and an increased calcium concentration in the Indian subjects. The pancreatic juice of Indian patients was characterized by decreased volume, normal bicarbonate concentration, increased protein concentration when the acinar cells were not stimulated, with no response to cerulein, increased calcium concentration, and normal citrate concentration. These changes are very similar to the changes observed in French patients with chronic alcoholic pancreatitis. The lesions of 14 surgical resection pancreatic specimens from South Indian patients presenting with tropical pancreatitis were compared to pancreata from French patients presenting with chronic alcoholic pancreatitis. The only difference was that intraductal plugs, lesions of the duct epithelium, and retention cysts or pseudocysts were less frequent in Indians. These results show that the two nutritional forms of pancreatic lithiasis, alcoholic and tropical, have similar histological lesions and biochemical modifications of pancreatic juice.(ABSTRACT TRUNCATED AT 250 WORDS)
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Is tropical pancreatitis premalignant? Am J Gastroenterol 1992; 87:1005-8. [PMID: 1642201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Pancreatic adenocarcinoma occurred in 22 of 266 patients with tropical pancreatitis presenting over an 8-yr period (8.3%). We compared the data on three groups: group 1, patients with tropical pancreatitis (benign, n = 82); group 2, tropical pancreatitis with super-imposed malignancy (n = 22), and group 3, those with de novo cancer (n = 76). Factors associated with high risk for cancer in tropical pancreatitis were age greater than 40 yr, short symptom duration, weight loss, mass on ultrasound, and ductal block on endoscopic retrograde cholangiopancreatography. Tropical pancreatic cancers had distinct differences from de novo cancers: younger mean age (47 vs. 61 yr), calculi in all (vs. none in group 3), diabetes in 16 of 22 (73%) versus 18 of 76 (24%), and tumors in body and tail in 16 of 22 (73%) versus 26 of 76 patients (34%). In group 2, survival was poorer (10 vs. 17 months, p less than 0.01) than in group 3 (those with de novo cancer). Two of five resected specimens in group 2 showed features of dysplasia, in addition to cancer. Tropical pancreatitis has a high association with cancer. Malignancy occurring in tropical pancreatitis is distinct from de novo cancer. When considered in the light of the low incidence of pancreatic cancer in southern India, the above evidence suggests a possible etiological relationship.
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Abstract
Over a 7-year period, 91 patients with tropical pancreatitis underwent operation for intractable pain. Univariate and multivariate analyses were performed to identify factors correlating with mortality, major complications, poor pain relief and associated malignancy. Patients with benign disease (group 1, n = 72) had longer survival than those with superimposed malignancy (group 2, n = 19). Pain relief was better in group 1 (59 patients compared with none, P less than 0.01). Age above 40 years, short duration of symptoms, mass lesions on ultrasonography and main pancreatic duct obstruction on endoscopic retrograde pancreatography were associated with a high risk of cancer. After reoperation major complications (four of ten) or death (three of ten) occurred more commonly than after primary procedures (seven of 81, P = 0.019 and five of 81, P less than 0.05, respectively). Poor pain relief in group 1 patients was more common after incomplete clearance of main duct stones (four of 13 versus three of 53, P less than 0.01) and after short length ductotomy (three of eight versus four of 58, P less than 0.01). Tropical pancreatitis has a high association with pancreatic adenocarcinoma. Wide ductotomy, stone clearance and drainage gave good symptomatic results in patients with benign disease. Overall results were poor in patients with cancer.
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Percutaneous pancreatography in tropical pancreatitis. Indian J Gastroenterol 1991; 10:114. [PMID: 1916964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Observations and surgical management of tropical pancreatitis in Kerala and southern India. World J Surg 1990; 14:32-42. [PMID: 2407037 DOI: 10.1007/bf01670542] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This article describes the surgery of tropical pancreatitis as practiced in a region of high incidence, based on the experience at 2 centers: the Department of Surgical Gastroenterology and Proctology, Government General Hospital, Madras, Tamilnadu (a tertiary-care referral unit) where 52 patients were diagnosed and 40 were operated on between 1982 and 1987; and the Department of Gastroenterology, Deva Matha Hospital, Koothattukulam (a specialized center located in the main endemic area of Kerala), where 116 patients were diagnosed and 33 operated on between 1983 and 1988. The latter series is described in detail with emphasis on the preoperative imaging, operative findings, surgical procedures, complications, and results of surgery. The experience of other centers in southern India is summarized and discussed. The disease is obviously different from chronic pancreatitis in the West. Special problems of tropical pancreatitis, particularly the management of diabetes and the association of pancreatic carcinoma at a young age, are discussed.
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