Johan Westerdahl

Summary

Affiliation: Lund University Hospital
Country: Sweden

Publications

  1. ncbi request reprint Sunscreen use and malignant melanoma
    J Westerdahl
    Department of Surgery, University Hospital, Lund, Sweden
    Int J Cancer 87:145-50. 2000
  2. ncbi request reprint Measurement of intraoperative parathyroid hormone predicts long-term operative success
    Johan Westerdahl
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Arch Surg 137:186-90. 2002
  3. ncbi request reprint Risk factors for postoperative hypocalcemia after surgery for primary hyperparathyroidism
    J Westerdahl
    Department of Surgery, Lund University Hospital, Sweden
    Arch Surg 135:142-7. 2000
  4. ncbi request reprint Urate and arteriosclerosis in primary hyperparathyroidism
    J Westerdahl
    Departments of Surgery and Internal Medicine, Lund University Hospital, Lund, Sweden
    Clin Endocrinol (Oxf) 54:805-11. 2001
  5. ncbi request reprint Sestamibi scan-directed parathyroid surgery: potentially high failure rate without measurement of intraoperative parathyroid hormone
    Johan Westerdahl
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 28:1132-8. 2004
  6. ncbi request reprint Patients with elevated serum parathyroid hormone levels after parathyroidectomy: showing signs of decreased peripheral parathyroid hormone sensitivity
    Erik Nordenström
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 27:212-5. 2003
  7. ncbi request reprint Recovery of bone mineral density in 126 patients after surgery for primary hyperparathyroidism
    Erik Nordenström
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 28:502-7. 2004
  8. ncbi request reprint Serum levels of uric acid and diabetes mellitus influence survival after surgery for primary hyperparathyroidism: a prospective cohort study
    Anders Bergenfelz
    Department of Surgery, Lund University Hospital, 221 85 Lund, Sweden
    World J Surg 31:1393-400; discussion 1401-2. 2007
  9. ncbi request reprint Long-term follow-up of patients with elevated PTH levels following successful exploration for primary hyperparathyroidism
    E Nordenström
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 28:570-5. 2004
  10. ncbi request reprint Preoperative normal level of parathyroid hormone signifies an early and mild form of primary hyperparathyroidism
    Anders Bergenfelz
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 27:481-5. 2003

Detail Information

Publications33

  1. ncbi request reprint Sunscreen use and malignant melanoma
    J Westerdahl
    Department of Surgery, University Hospital, Lund, Sweden
    Int J Cancer 87:145-50. 2000
    ..Our results are probably related mainly to earlier sunscreens of low SPF. They substantiate the hypothesis that sunscreen use, by permitting more time sunbathing, is associated with melanoma occurrence...
  2. ncbi request reprint Measurement of intraoperative parathyroid hormone predicts long-term operative success
    Johan Westerdahl
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Arch Surg 137:186-90. 2002
    ..A decrease in the intraoperative parathyroid hormone (PTH) level predicts long-term operative success...
  3. ncbi request reprint Risk factors for postoperative hypocalcemia after surgery for primary hyperparathyroidism
    J Westerdahl
    Department of Surgery, Lund University Hospital, Sweden
    Arch Surg 135:142-7. 2000
    ..A variety of clinical and biochemical variables may be associated with hypocalcemia after surgery for parathyroid adenoma...
  4. ncbi request reprint Urate and arteriosclerosis in primary hyperparathyroidism
    J Westerdahl
    Departments of Surgery and Internal Medicine, Lund University Hospital, Lund, Sweden
    Clin Endocrinol (Oxf) 54:805-11. 2001
    ..Metabolic abnormalities in pHPT may include urate. We therefore evaluated the metabolic arteriosclerotic risk profile in pHPT with special focus on the role of urate...
  5. ncbi request reprint Sestamibi scan-directed parathyroid surgery: potentially high failure rate without measurement of intraoperative parathyroid hormone
    Johan Westerdahl
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 28:1132-8. 2004
    ..However, the technique alone does not reliably predict multiglandular disease. Potentially the failure rate in scan-directed parathyroidectomy could increase, with up to 10% of patients without ioPTH...
  6. ncbi request reprint Patients with elevated serum parathyroid hormone levels after parathyroidectomy: showing signs of decreased peripheral parathyroid hormone sensitivity
    Erik Nordenström
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 27:212-5. 2003
    ..Thus patients operated on for parathyroid adenoma with postoperatively elevated serum PTH levels showed decreased peripheral sensitivity to PTH...
  7. ncbi request reprint Recovery of bone mineral density in 126 patients after surgery for primary hyperparathyroidism
    Erik Nordenström
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 28:502-7. 2004
    ..Because many pHPT patients have low oral calcium intake and a vitamin D deficiency, it would be of interest to evaluate the role of postoperative calcium/vitamin D supplements...
  8. ncbi request reprint Serum levels of uric acid and diabetes mellitus influence survival after surgery for primary hyperparathyroidism: a prospective cohort study
    Anders Bergenfelz
    Department of Surgery, Lund University Hospital, 221 85 Lund, Sweden
    World J Surg 31:1393-400; discussion 1401-2. 2007
    ..Furthermore, the influence of surgery on biochemical variables associated with pHPT was analyzed...
  9. ncbi request reprint Long-term follow-up of patients with elevated PTH levels following successful exploration for primary hyperparathyroidism
    E Nordenström
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 28:570-5. 2004
    ..An increased risk for recurrent disease is postulated for some of the patients who do not normalize their PTH levels postoperatively, and long-term surveillance of these patients is suggested...
  10. ncbi request reprint Preoperative normal level of parathyroid hormone signifies an early and mild form of primary hyperparathyroidism
    Anders Bergenfelz
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 27:481-5. 2003
    ..Furthermore, the serum calcium concentration does not reflect disease severity in pHPT...
  11. ncbi request reprint Parathyroid surgical failures with sufficient decline of intraoperative parathyroid hormone levels: unobserved multiple endocrine neoplasia as an explanation
    Johan Westerdahl
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Arch Surg 141:589-94. 2006
    ..A sufficient decline in levels of parathyroid hormone measured intraoperatively (ioPTH) precludes early and late surgical failures...
  12. pmc Unilateral versus bilateral neck exploration for primary hyperparathyroidism: a prospective randomized controlled trial
    Anders Bergenfelz
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Ann Surg 236:543-51. 2002
    ..To compare unilateral and bilateral neck exploration for primary hyperparathyroidism in a prospective randomized controlled trial...
  13. doi request reprint Effect on bone density of postoperative calcium and vitamin-D supplementation in patients with primary hyperparathyroidism: A retrospective study
    Erik Nordenström
    Department of Surgery, Lund University Hospital, 221 85, Lund, Sweden
    Langenbecks Arch Surg 394:461-7. 2009
    ..Thus, we adopted a policy of postoperative supplements with calcium and vitamin D after parathyroid surgery. In this study, we investigated if this policy enhanced the postoperative increase in bone density...
  14. doi request reprint Surgery for patients with primary hyperparathyroidism and negative sestamibi scintigraphy--a feasibility study
    Mark Thier
    Department of Surgery, Lund University Hospital, Getingevagen 4, 22185, Lund, Sweden
    Langenbecks Arch Surg 394:881-4. 2009
    ..We report the surgical treatment of a consecutive series of scan negative patients with the intention of unilateral parathyroid exploration with the aid of intraoperative quick PTH (qPTH)...
  15. doi request reprint Mesh hernia repair and male infertility: a retrospective register study
    Magnus Hallén
    Department of Surgery, Clinical Sciences, Lund University, Skane University Hospital, Lund, Sweden
    Surgery 151:94-8. 2012
    ..In a recent study, we could not find an increased incidence of involuntary childlessness. The aim of this study was to evaluate this issue further...
  16. ncbi request reprint Multifactorial risk profile for bone fractures in primary hyperparathyroidism
    Erik Nordenström
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 26:1463-7. 2002
    ..In conclusion, serum levels of 25-hydroxyvitamin D3 and PTH were independently associated with a history of bone fractures in pHPT. These variables should be considered when evaluating patients for parathyroid surgery...
  17. doi request reprint Laparoscopic extraperitoneal inguinal hernia repair versus open mesh repair: long-term follow-up of a randomized controlled trial
    Magnus Hallén
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Surgery 143:313-7. 2008
    ..The aim of this study was to compare patient outcome in both groups at a median follow-up of 7.3 years after operation...
  18. ncbi request reprint Low parathyroid hormone levels after thyroid surgery: a feasible predictor of hypocalcemia
    Pia Lindblom
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Surgery 131:515-20. 2002
    ..Selecting patients with a low risk of hypocalcemia is mandatory if patients are to be discharged on the first day after bilateral thyroidectomy. This study investigated the predictive value of intraoperative parathyroid hormone (PTH)...
  19. ncbi request reprint Decreased levels of ionized calcium one year after hemithyroidectomy: importance of reduced thyroid hormones
    P Lindblom
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Horm Res 55:81-7. 2001
    ..All patients had free T4 and T3 levels within normal range preoperatively...
  20. ncbi request reprint Hyperthyroidism after surgery for primary hyperparathyroidism
    P Lindblom
    Department of Surgery, Lund University Hospital, Sweden
    Langenbecks Arch Surg 384:568-75. 1999
    ..The coexistence of hyperthyroidism and primary hyperparathyroidism (pHPT) has been reported. We have questioned whether hypercalcemia or surgical trauma contribute to transient hyperthyroidism following parathyroid surgery...
  21. ncbi request reprint Clinical and histopathological features of malignant melanoma in germline CDKN2A mutation families
    A Masback
    Department of Pathology, University Hospital, Lund, Sweden
    Melanoma Res 12:549-57. 2002
    ..04 for both). To our knowledge this is the first description of the histopathological features of CMMs from families with mutations in the CDKN2A gene...
  22. ncbi request reprint Peripheral effects of PTH are not altered after thyroid surgery in euthyroid patients
    P Lindblom
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Horm Res 56:105-9. 2001
    ....
  23. ncbi request reprint Hemithyroidectomy: long-term effects on parathyroid function--preliminary report
    P Lindblom
    Department of Surgery, Lund University Hospital, S 221 85 Lund, Sweden
    World J Surg 25:1155-9. 2001
    ..These changes were not due to parathyroid insufficiency. Instead, our results imply increased parathyroid sensitivity to calcium and possibly reduced peripheral sensitivity to PTH...
  24. ncbi request reprint Postoperative elevated serum levels of intact parathyroid hormone after surgery for parathyroid adenoma: sign of bone remineralization and decreased calcium absorption
    J Westerdahl
    Department of Surgery, Lund University Hospital, S 221 85 Lund
    World J Surg 24:1323-9. 2000
    ..Instead, the results imply there is diminished calcium absorption and increased bone turnover with cortical bone remineralization...
  25. doi request reprint Male infertility after mesh hernia repair: A prospective study
    Magnus Hallén
    Department of Surgery, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
    Surgery 149:179-84. 2011
    ..The aim of this study was to determine the prevalence of male infertility after bilateral mesh repair...
  26. pmc Risk of malignant melanoma in relation to drug intake, alcohol, smoking and hormonal factors
    J Westerdahl
    Department of Surgery, University Hospital, Lund, Sweden
    Br J Cancer 73:1126-31. 1996
    ..The results based on histopathological re-examinations and those based on tumour registry data were essentially the same...
  27. ncbi request reprint Prognostic factors in invasive cutaneous malignant melanoma: a population-based study and review
    A Masback
    Department of Pathology, University of Lund, S 221 85 Lund, Sweden
    Melanoma Res 11:435-45. 2001
    ..8 mm) in 1985 (P = 0.01) and 1989 (P = 0.002) compared with 1965. The incidence of melanomas with inflammation increased significantly (P = 0.04), as did age at diagnosis (P = 0.005)...
  28. ncbi request reprint Unilateral versus bilateral neck exploration for primary hyperparathyroidism: five-year follow-up of a randomized controlled trial
    Johan Westerdahl
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Ann Surg 246:976-80; discussion 980-1. 2007
    ..To compare long-term patient outcome in a prospective randomized controlled trial between unilateral and bilateral neck exploration for primary hyperparathyroidism (pHPT)...
  29. ncbi request reprint Laparoscopic extraperitoneal inguinal hernia repair versus open mesh repair: a prospective randomized controlled trial
    Bodil Andersson
    Department of Surgery, Lund University Hospital, Lund, Sweden
    Surgery 133:464-72. 2003
    ..This study was designed to compare an open tension-free technique (Lichtenstein repair) with a laparoscopic totally extraperitoneal hernia repair (TEP)...
  30. pmc Risk of cutaneous malignant melanoma in relation to use of sunbeds: further evidence for UV-A carcinogenicity
    J Westerdahl
    Department of Surgery, University Hospital, Lund, Sweden
    Br J Cancer 82:1593-9. 2000
    ..An increased risk was related to commercial exposure and to exposure during the winter. The results substantiate the hypothesis that exposure to sunbeds might increase the risk of developing malignant melanoma...
  31. doi request reprint Use of the harmonic scalpel versus conventional haemostatic techniques in patients with Grave disease undergoing total thyroidectomy: a prospective randomised controlled trial
    P Hallgrimsson
    Department of Surgery, Lund University Hospital, Lund, Scania, Sweden
    Langenbecks Arch Surg 393:675-80. 2008
    ..To our knowledge, no previous study has evaluated the HS dissection technique in a homogenous group of patients with Graves' disease undergoing total thyroidectomy...
  32. ncbi request reprint Melanoma and nonmelanoma skin cancer in patients with multiple tumours--evidence for new syndromes in a population-based study
    K Nielsen
    Department of Dermatology, University Hospital, S 221 85 Lund, Sweden
    Br J Dermatol 150:531-6. 2004
    ..g. nonmelanoma skin cancer (NMSC), were studied descriptively. So far the mutation 113insArg explains all CDKN2A-associated CMM in ethnic Swedes...
  33. ncbi request reprint Novel germline p16 mutation in familial malignant melanoma in southern Sweden
    A Borg
    Department of Oncology, University Hospital, Lund, Sweden
    Cancer Res 56:2497-500. 1996
    ..Analysis of microsatellite markers adjacent to the p16 gene at chromosomal region 9p21 revealed that both families share a common haplotype, in keeping with a common ancestor...