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Jain A, Davis PA, Ahrens P, Livingstone JI, Cahill CJ. Is day-case laparoscopic cholecystectomy acceptable to patients? A 5-year study. MINIM INVASIV THER 2009. [DOI: 10.3109/13645700009063040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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2
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Livingstone JI, Schoretsanitis G, Wastell C. The safety of laparoscopic cholecystectomy - a review of 220 cases. MINIM INVASIV THER 2009. [DOI: 10.3109/13645709309152672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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3
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Katsoulis IE, Wong WL, Mattheou AK, Damani N, Chambers J, Livingstone JI. Fluorine-18 fluorodeoxyglucose positron emission tomography in the preoperative staging of thoracic oesophageal and gastro-oesophageal junction cancer: a prospective study. Int J Surg 2007; 5:399-403. [PMID: 17631431 DOI: 10.1016/j.ijsu.2007.05.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2007] [Accepted: 05/18/2007] [Indexed: 12/22/2022]
Abstract
BACKGROUND The pre-operative staging in oesophageal cancer is often challenging and underestimation of the extent of the disease may lead to unnecessary surgery. AIM To audit the use and assess the value of fluorine-18 fluorodeoxyglucose positron emission tomography ((18)F FDG-PET) as a staging tool for thoracic oesophageal and gastro-oesophageal junction (GOJ) cancers in our oncological surgical practice. PATIENTS AND METHODS Over a 3 year period, between 2002 and 2004, 134 patients with thoracic oesophageal or GOJ cancer were referred to our unit for treatment. The standard preoperative staging investigation in all cases was CT (thorax, abdomen and pelvis). A preoperative FDG-PET scan was further requested in 22 patients. The case notes of all the patients that underwent a FDG-PET scan were reviewed and compared with the preoperative imaging, the operative findings and the histopathology of the resected tumours. RESULTS Eighteen men and 4 women with a median age of 65 (range 43-79) years were studied. After FDG-PET, 13 out of 22 patients (59%) were deemed suitable for tumour resection. Twelve of the 13 patients were fit to undergo surgery. At laparotomy, 2 of those (17%) were found inoperable due to widespread disease. The sensitivity of CT versus FDG-PET to detect infiltrated lymph nodes was 29% (95% CI: 3-70) versus 71% (95% CI: 29-96) (P=0.0412), whereas both tests had 67% specificity (95% CI: 9-99) in detecting lymph nodes. The sensitivity and the specificity of CT versus FDG-PET to detect distant organ metastases (M1b) were 33% (95% CI: 4-77) and 88% (95% CI: 47-99) versus 50% (95% CI: 6-93) and 100% (95% CI: 69-100), respectively (P>0.05). The FDG-PET regarding the N and M status differed from the CT in 11 patients and led to modification of the planned management in 5 of them. CONCLUSIONS FDG-PET is more accurate than CT in defining N and M status. It can result in a reduction of unnecessary surgery in a significant number of patients. The combined PET-CT scan as a single imaging modality is expected to further improve diagnostic accuracy of FDG-PET.
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Affiliation(s)
- I E Katsoulis
- Upper Gastrointestinal Surgery Unit, Watford General Hospital, 60 Vicarage Road, Watford, Hertfordshire WD18 0HB, UK.
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Abstract
Tube pharyngostomy involves the percutaneous passage of a tube through the pharynx as an alternative to nasogastric intubation. We use this method for upper gastrointestinal decompression after oesophagectomies and total gastrectomies where prolonged intubation of the foregut is anticipated. It is simple to perform and very well tolerated as compared to a nasogastric tube. The pharyngostomy tube can also be used for enteral feeding. We present here the technique in detail and our experience with 67 procedures over the last 6 years where only few minor complications were encountered. We also review the literature for previous reports of pharyngostomy.
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Affiliation(s)
- I E Katsoulis
- Department of Upper Gastrointestinal Surgery, West Hertfordshire Hospitals NHS Trust, Watford, UK.
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Katsoulis IE, Karoon A, Mylvaganam S, Livingstone JI. Endoscopic palliation of malignant dysphagia: a challenging task in inoperable oesophageal cancer. World J Surg Oncol 2006; 4:38. [PMID: 16820062 PMCID: PMC1540418 DOI: 10.1186/1477-7819-4-38] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2006] [Accepted: 07/04/2006] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND The main goal when managing patients with inoperable oesophageal cancer is to restore and maintain their oral nutrition. The aim of the present study was to assess the value of endoscopic palliation of dysphagia in patients with oesophageal cancer, who either due to advanced stage of the disease or co-morbidity are not suitable for surgery. PATIENTS AND METHODS All the endoscopic palliative procedures performed over a 5-year period in our unit were retrospectively reviewed. Dilatation and insertion of self-expandable metal stents (SEMS) were mainly used for tight circumferential strictures whilst ablation with Nd-YAG laser was used for exophytic lesions. All procedures were performed under sedation. RESULTS Overall 249 palliative procedures were performed in 59 men and 40 women, with a median age of 73 years (range 35-93). The median number of sessions per patient was 2 (range 1-13 sessions). Palliation involved laser ablation alone in 24%, stent insertion alone in 22% and dilatation alone in 13% of the patients. In 41% of the patients, a combination of the above palliative techniques was applied. A total of 45 SEMS were inserted. One third of the patients did not receive any other palliative treatment, whilst the rest received chemotherapy, radiotherapy or chemoradiotherapy. Swallowing was maintained in all patients up to death. Four oesophageal perforations were encountered; two were fatal whilst the other two were successfully treated with covered stent insertion and conservative treatment. The median survival from diagnosis was 10.5 months (range 0.5-83 months) and the median survival from 1st palliation was 5 months (range 0.5-68.5 months). CONCLUSION Endoscopic interventions are effective and relatively safe palliative modalities for patients with oesophageal cancer. It is possible to adequately palliate almost all cases of malignant dysphagia. This is achieved by expertise in combination treatment.
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Affiliation(s)
- IE Katsoulis
- Upper Gastrointestinal Surgery Unit, Watford General Hospital and Mount Vernon Centre for Cancer, Northwood, London, UK
| | - A Karoon
- Upper Gastrointestinal Surgery Unit, Watford General Hospital and Mount Vernon Centre for Cancer, Northwood, London, UK
| | - S Mylvaganam
- Upper Gastrointestinal Surgery Unit, Watford General Hospital and Mount Vernon Centre for Cancer, Northwood, London, UK
| | - JI Livingstone
- Upper Gastrointestinal Surgery Unit, Watford General Hospital and Mount Vernon Centre for Cancer, Northwood, London, UK
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Hughes R, Glynne-Jones R, Grainger J, Richman P, Makris A, Harrison M, Ashford R, Harrison RA, Livingstone JI, McDonald PJ, Meyrick Thomas J, Mitchell IC, Northover JMA, Phillips R, Wallace M, Windsor A, Novell JR. Can pathological complete response in the primary tumour following pre-operative pelvic chemoradiotherapy for T3-T4 rectal cancer predict for sterilisation of pelvic lymph nodes, a low risk of local recurrence and the appropriateness of local excision? Int J Colorectal Dis 2006; 21:11-7. [PMID: 15864605 DOI: 10.1007/s00384-005-0749-y] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/25/2005] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Local excision is considered inappropriate treatment for T3-T4 rectal adenocarcinomas, as it cannot provide prognostic information regarding lymph node involvement and has a high risk of pelvic recurrence. Preoperative chemoradiation (CRT) studies in rectal cancer suggest that a pathological complete response (pCR) in the primary tumour provides an excellent long-term outcome. If downstaging to stage pT0 predicts a tumour response within the perirectal and pelvic lymph nodes, this may allow local excision to be performed without increased risk of pelvic recurrence. This retrospective study aimed to determine the incidence of involved lymph nodes following pCR (ypT0) after preoperative CRT and total mesorectal excision. METHOD The outcome and treatment details of 211 patients undergoing preoperative CRT for clinically staged T3-T4 unresectable rectal adenocarcinomas between 1993 and 2003 at Mount Vernon Hospital were reviewed. RESULTS Data were recorded from the 143 patients who completed treatment with a median follow-up of 25 months. Twenty-three patients (18%) were found to have had a pCR. Four out of 23 patients (17%) had involved lymph nodes. No pelvic recurrences developed after a ypCR. Overall survival was similar for patients with ypT0 or residual tumour. CONCLUSION Pathological complete response in the primary tumour failed to predict a response in the perirectal lymph nodes (p=0.08). The degree of response predicted a lymph node response (p=0.02). The detection of ypCR identified patients with a low rate of pelvic recurrence. This may in the future allow selection of patients for whom local excision can be performed without a higher risk of local relapse.
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Affiliation(s)
- R Hughes
- Mount Vernon Cancer Centre, Northwood, Middlesex, UK, HA6 2RN
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Beresford M, Glynne-Jones R, Richman P, Makris A, Mawdsley S, Stott D, Harrison M, Osborne M, Ashford R, Grainger J, Al-Jabbour J, Talbot I, Mitchell IC, Meyrick Thomas J, Livingstone JI, McCue J, MacDonald P, Northover JAM, Windsor A, Novell R, Wallace M, Harrison RA. The Reliability of Lymph-node Staging in Rectal Cancer After Preoperative Chemoradiotherapy. Clin Oncol (R Coll Radiol) 2005; 17:448-55. [PMID: 16149289 DOI: 10.1016/j.clon.2005.05.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIMS To determine the prognostic significance of the nodal stage and number of nodes recovered in the surgical specimen after preoperative synchronous chemoradiation (SCRT) and surgery for locally advanced or unresectable rectal cancer. MATERIALS AND METHODS One hundred and eighty-two consecutive patients with locally advanced or unresectable (T3/T4) rectal carcinomas were entered on a prospective database and treated in this department with preoperative chemoradiation, followed 6-12 weeks later by surgical resection. Most patients received chemotherapy in the form of low-dose folinic acid and 5-fluorouracil (5-FU) 350 mg/m2 via a 60-min infusion on days 1-5 and 29-33 of a course of pelvic radiotherapy delivered at a dose of 45 Gy in 25 fractions over 33 days to a planned volume. After resection, patients with a positive circumferential margin (< or = 1 mm), extranodal deposits or Dukes' C histology received adjuvant 5-FU-based-chemotherapy (n = 40). RESULTS After SCRT, 161 patients underwent resection. Twenty-one patients remained unresectable or refused an exenterative operation. Median follow-up is 36 months. Down-staging was achieved in most patients, with 19 having a complete pathological response (pT0). The median number of lymph nodes recovered for all patients was five (range 0-21). The 3-year survival rate for node-positive patients is 47%, for node-negative patients with less than three lymph nodes recovered is 62% and for node-negative patients with three or more lymph nodes recovered is 70%. Compared with node-positive patients, simple regression models revealed a reduced hazard ratio (HR) of 0.72 (0.36-1.43) for node-negative patients with less than three nodes recovered and 0.48 (0.26-0.89) for node-negative patients with three or more lymph nodes recovered. In a multivariate model, including nodal status, excision status, age and sex only positive excision margins significantly predicted a poor outcome: HR = 3.05 (1.55-5.97). CONCLUSIONS The number of nodes found after preoperative chemoradiation is a significant prognostic factor by univariate analysis. In this study, patients with node-negative histology, and at least three nodes recovered, had better long-term survival than patients in whom two or less nodes were recovered or with positive nodes. This effect was attenuated by the inclusion of excision status in multivariate models.
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Affiliation(s)
- M Beresford
- Mount Vernon Cancer Centre, Northwood, Middlesex, UK.
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Geh JI, Glynne-Jones R, Kwok QS, Banerji U, Livingstone JI, Townsend ER, Harrison RA, Mitchell IC. Preoperative ECF chemotherapy in gastro-oesophageal adenocarcinoma. Clin Oncol (R Coll Radiol) 2001; 12:182-7. [PMID: 10942336 DOI: 10.1053/clon.2000.9147] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Epirubicin, cisplatin and continuous 5-fluorouracil (5-FU) infusion (ECF) has been reported to result in high clinical response rates in advanced gastro-oesophageal adenocarcinoma and is currently the 'gold standard' chemotherapy regimen for this tumour site. Despite this, its role as preoperative (neoadjuvant) treatment is unproven and therefore remains under investigation. We report our experience using ECF (intravenous epirubicin 50 mg/m2 and cisplatin 60 mg/m2 every 3 weeks, with continuous infusion of 5-FU 200 mg/m2 per day) as preoperative treatment in locally advanced adenocarcinoma of the lower oesophagus, gastro-oesophageal junction and stomach. Of the 23 patients treated (median age 54 years), 19 had potentially resectable disease, four were unresectable and seven had radiological evidence of lymph node involvement. A median of four cycles of ECF was delivered (range 1-6). Ten of 12 patients (83%) with dysphagia reported improvement of symptoms. Clinical disease progression occurred in six patients (26%) during chemotherapy. WHO grade 3 or 4 toxicity occurred in six patients (26%): four haematological, one mucositis, one vomiting. Seventeen patients (74%) proceeded to surgery; 14 (61%) were resected and three were unresectable. There were two (12%) postoperative deaths from respiratory failure. Major pathological response was seen in three patients (13%): one pathological complete response, two microscopic residual disease. Two patients had Stage II (T2N(0-1)) disease and nine were Stage III (T(3-4)N(0-1)). None of the patients with initially unresectable disease was rendered resectable. After a median follow-up interval of 33 months (range 26-53), the overall median survival was 12 months and 2-year survival was 30%. All patients who were initially unresectable or had radiological evidence of lymph node involvement have died. Therefore, despite good symptomatic response rates, ECF chemotherapy given in the preoperative setting did not appear to improve the outcome of patients with unresectable or radiologically lymph node-positive gastro-oesophageal adenocarcinoma. The role of ECF chemotherapy in resectable tumours is unclear and is currently under investigation in the randomized MRC Adjuvant Gastric Infusional Chemotherapy (MAGIC) study.
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Affiliation(s)
- J I Geh
- Mount Vernon Hospital, Northwood, UK
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9
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Geh JI, Glynne-Jones R, Kwok QSK, Banerji U, Livingstone JI, Townsend ER, Harrison RA, Mitchell IC. Preoperative ECF Chemotherapy in Gastro-Oesophageal Adenocarcinoma. Clin Oncol (R Coll Radiol) 2000. [DOI: 10.1007/s001740070063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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10
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Livingstone JI, Doughan S. Complications of laparoscopic surgery. Ann R Coll Surg Engl 1998; 80:300-1. [PMID: 9771237 PMCID: PMC2503071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
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Livingstone JI, Thomas JM. Surgery. Training or derailment? Lancet 1996; 348 Suppl 2:sII25. [PMID: 8973503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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McEvoy A, Livingstone JI, Cahill CJ. Comparison of diclofenac sodium and morphine sulphate for postoperative analgesia after day case inguinal hernia surgery. Ann R Coll Surg Engl 1996; 78:363-6. [PMID: 8712652 PMCID: PMC2502592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Postoperative pain may be a significant reason for delayed discharge from hospital, increased morbidity and reduced patient satisfaction with ambulatory hernia surgery. This study compared two postoperative oral analgesic protocols after day case inguinal hernia repair; 30 mg morphine sulphate (MST) and 10 mg metoclopramide every 8 h for 48 h or 75 mg diclofenac twice daily for 48 h. The pain reported in the MST group was significantly greater on both the day of operation and the first postoperative day (P < 0.05, Mann-Whitney U test). A significantly higher proportion of patients taking MST complained of nausea on the day of operation and on the 1st postoperative day (P < 0.05, chi 2). The time taken to walk, dress and leave home alone were achieved in a significantly shorter duration in patients taking diclofenac. We conclude that diclofenac provides effective analgesia, has a more acceptable side-effect profile than morphine sulphate and is the treatment of choice after ambulatory hernia surgery.
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Affiliation(s)
- A McEvoy
- Department of Surgery, Kingston Hospital NHS Trust, Kingston upon Thames, Surrey
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13
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Abstract
To examine the suggested biological difference between Japanese and British gastric cancers, immunohistochemistry was used to demonstrate eight markers of biological activity in a matched series of 40 Japanese and 33 British cases. There were no differences in the proportions of Japanese and British tumours positive to epidermal growth factor, epidermal growth factor receptor, transforming growth factor alpha, cripto or p53. A significantly greater proportion of British tumours were positive to c-erbB-2 whilst a significantly greater proportion of Japanese tumours were positive to nm23. British tumours had a significantly greater mean proliferating cell nuclear antigen proliferation index than Japanese tumours. These differences could be clinically significant.
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Affiliation(s)
- J I Livingstone
- Department of Academic Surgery, Chelsea and Westminster Hospital, London
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Livingstone JI. Description of the Japanese method of radical gastrectomy. Ann R Coll Surg Engl 1994; 76:286. [PMID: 8074399 PMCID: PMC2502249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
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15
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Schoretsanitis G, Livingstone JI, el-Japour JN, Watkins N, Wastell C. Duodenal plasmacytoma: a rare extramedullary localization simulating carcinoma of the head of the pancreas. Postgrad Med J 1994; 70:378-9. [PMID: 8016015 PMCID: PMC2397629 DOI: 10.1136/pgmj.70.823.378] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Plasmacytomas occurring in extramedullary sites are rare tumours, particularly so when located in the gastrointestinal tract. We report the case of a solitary extramedullary plasmacytoma arising in the duodenum and simulating a carcinoma of the head of the pancreas. Diagnostic and treatment options are discussed.
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Affiliation(s)
- G Schoretsanitis
- Academic Surgical Unit, Chelsea & Westminster Hospital, London, UK
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16
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Abstract
The induction of adenocarcinomas in the glandular stomach of the adult male Wistar rat by N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) was used as a model to study the expression of the growth promoting peptide, transforming growth factor alpha (TGF alpha), during experimental gastric carcinogenesis. TGF alpha was identified using the monoclonal antibody Ab-2 and standard immunohistochemistry, together with a semiquantitative assessment of the intensity of expression. Immunoreactivity was confined to the differentiated compartment of the mucosa while the carcinogen MNNG caused a significant increase in the intensity of TGF alpha expression (p < 0.01), after as little as 16 weeks' exposure. In experimental adenocarcinomas, a change to a previously undescribed pattern of perinuclear TGF alpha expression was found, which may represent the site of intense TGF alpha production in the Golgi apparatus after malignant transformation.
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Affiliation(s)
- J I Livingstone
- Academic Surgical Unit, Chelsea and Westminster Hospital, London
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Livingstone JI, Harvey M, Kitchin N, Shah N, Wastell C. Role of pre-admission clinics in a general surgical unit: a 6-month audit. Ann R Coll Surg Engl 1993; 75:211-2. [PMID: 8323221 PMCID: PMC2497874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
We report a 6-month audit of the running of a pre-admission assessment clinic for routine general surgical admissions. An attendance rate of 91.4% of fit patients ready for surgery on the day of admission was achieved. Of all patients attending the pre-admission clinics, 79.5% underwent surgery as planned. Pre-admission clinics are recommended as a method of improving the efficiency of elective surgical admissions.
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Livingstone JI, Harvey M, Wastell C. Laparoscopic varicocele repair. J Laparoendosc Surg 1993; 3:141-144. [PMID: 8518466 DOI: 10.1089/lps.1993.3.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Varicocele is a common condition for which currently accepted methods of treatment are less than satisfactory. Reported herein is a successful laparoscopic technique of repair.
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Livingstone JI, Filipe MI, Wastell C, Awad RW, Jagot SA, Jones PW, Elder JB, Baako B, Smith D, Cooper A, Karran SJ. Gastrointestinal. Ir J Med Sci 1992. [DOI: 10.1007/bf02943725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Livingstone JI, Tellez M, Burke M, Ashby PJ, Rinsler MG. A five year audit of the role of parathyroid hormone assays and thallium-technetium isotope subtraction scanning in the preoperative investigation of primary hyperparathyroidism. Postgrad Med J 1991; 67:1055-8. [PMID: 1800963 PMCID: PMC2399196 DOI: 10.1136/pgmj.67.794.1055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An audit has been performed of the value of parathyroid hormone assays and thallium-technetium isotope scanning in the pre-operative investigation of 67 hypercalcaemic patients referred for surgery over a 5 year period. Parathyroid hormone assay by region-specific technique was found to have a diagnostic sensitivity of 75% (n = 52) whilst the more recent assay for the intact molecule was 97% sensitive (n = 34). Thallium-technetium isotope scanning was only 64% sensitive overall (n = 59), due in part to the small size of adenomata now being referred for surgery. This study confirms the role of the intact parathyroid hormone assay but questions that of thallium-technetium isotope scanning in standard protocols of investigation for hypercalcaemia.
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Affiliation(s)
- J I Livingstone
- Department of Surgery, Northwick Park Hospital, Harrow, Middlesex, UK
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