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Otago Medical School staff profiles

Associate Professor Peter Sykes

PositionAssociate Professor
DepartmentDepartment of Obstetrics and Gynaecology (UOC)
QualificationsMBChB (Brist) DipObst (Otago) FRNZCOG DGO
Research summaryGynaecological Oncology

Research

Peter joined the Department in 1998 and was appointed Head of Department in 2009 until 2015. He completed his undergraduate training in the United Kingdom and specialised in Obstetrics and Gynaecology in New Zealand. He subsequently completed his sub-specialty training in gynaecological oncology in Melbourne and his interests include gynaecological oncology and advanced preinvasive disease of the genital tract.

Publications

Cohen, P. A., Powell, A., Böhm, S., Gilks, C. B., Stewart, C. J. R., Meniawy, T. M., … van der Griend, R., … the HGSC CRS Collaborative Network, including Simcock, B., Sykes, P., Vaughan, M. M., & Singh, N. (2019). Pathological chemotherapy response score is prognostic in tubo-ovarian high-grade serous carcinoma: A systematic review and meta-analysis of individual patient data. Gynecologic Oncology. Advance online publication. doi: 10.1016/j.ygyno.2019.04.679

Fraser, K., Tan, A. L., Innes, C., Stephens, R., Tristram, A., Petrich, S., Lintott, C., Sykes, P. H., … Simcock, B. (2019). Patterns of referral and uptake of BReast CAncer (BRCA) gene testing of eligible women with ovarian cancer in New Zealand. New Zealand Medical Journal, 132(1490), 26-35. Retrieved from https://www.nzma.org.nz/journal

Adcock, A., Cram, F., Lawton, B., Geller, S., Hibma, M., Sykes, P., … Hart, S. (2019). Acceptability of self-taken vaginal HPV sample for cervical screening among an under-screened Indigenous population. Australian & New Zealand Journal of Obstetrics & Gynaecology. Advance online publication. doi: 10.1111/ajo.12933

Tang, M., O'Connell, R. L., Amant, F., Beales, P., McNally, O., Sjoquist, K. M., … Sykes, P., … Friedlander, M. (2019). PARAGON: A Phase II study of anastrozole in patients with estrogen receptor-positive recurrent/metastatic low-grade ovarian cancers and serous borderline ovarian tumors. Gynecologic Oncology. Advance online publication. doi: 10.1016/j.ygyno.2019.06.011

Sykes, P., Eva, L., van der Griend, R., McNally, O., Blomfield, P., Brand, A., … Petrich, S., Kenwright, D., … Innes, C., Harker, D., … Simcock, B. (2019). Pathological process has a crucial role in sentinel node biopsy for vulvar cancer. Gynecologic Oncology. Advance online publication. doi: 10.1016/j.ygyno.2019.02.012

Chapter in Book - Other

Sykes, P. (2013). Obstetrics and Gynaecology. In P. Joyce, G. Nicholls, K. Thomas & T. Wilkinson (Eds.), The Christchurch experience: 40 years of research and teaching. (pp. 33-37). Christchurch, New Zealand: University of Otago.

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Journal - Research Article

Cohen, P. A., Powell, A., Böhm, S., Gilks, C. B., Stewart, C. J. R., Meniawy, T. M., … van der Griend, R., … the HGSC CRS Collaborative Network, including Simcock, B., Sykes, P., Vaughan, M. M., & Singh, N. (2019). Pathological chemotherapy response score is prognostic in tubo-ovarian high-grade serous carcinoma: A systematic review and meta-analysis of individual patient data. Gynecologic Oncology. Advance online publication. doi: 10.1016/j.ygyno.2019.04.679

Sykes, P., Eva, L., van der Griend, R., McNally, O., Blomfield, P., Brand, A., … Petrich, S., Kenwright, D., … Innes, C., Harker, D., … Simcock, B. (2019). Pathological process has a crucial role in sentinel node biopsy for vulvar cancer. Gynecologic Oncology. Advance online publication. doi: 10.1016/j.ygyno.2019.02.012

Tang, M., O'Connell, R. L., Amant, F., Beales, P., McNally, O., Sjoquist, K. M., … Sykes, P., … Friedlander, M. (2019). PARAGON: A Phase II study of anastrozole in patients with estrogen receptor-positive recurrent/metastatic low-grade ovarian cancers and serous borderline ovarian tumors. Gynecologic Oncology. Advance online publication. doi: 10.1016/j.ygyno.2019.06.011

Adcock, A., Cram, F., Lawton, B., Geller, S., Hibma, M., Sykes, P., … Hart, S. (2019). Acceptability of self-taken vaginal HPV sample for cervical screening among an under-screened Indigenous population. Australian & New Zealand Journal of Obstetrics & Gynaecology. Advance online publication. doi: 10.1111/ajo.12933

Fraser, K., Tan, A. L., Innes, C., Stephens, R., Tristram, A., Petrich, S., Lintott, C., Sykes, P. H., … Simcock, B. (2019). Patterns of referral and uptake of BReast CAncer (BRCA) gene testing of eligible women with ovarian cancer in New Zealand. New Zealand Medical Journal, 132(1490), 26-35. Retrieved from https://www.nzma.org.nz/journal

Sarwar, M., Sykes, P. H., Chitcholtan, K., Alkaisi, M. M., & Evans, J. J. (2018). The extracellular topographical environment influences ovarian cancer cell behaviour. Biochemical & Biophysical Research Communications. Advance online publication. doi: 10.1016/j.bbrc.2018.12.067

Hider, P., Dempster-Rivett, K., Williman, J., Dempster-Rivett, M., Sadler, L., McLeod, M., Miller, A., & Sykes, P. (2018). A review of cervical cancer occurrences in New Zealand 2008–2012. New Zealand Medical Journal, 131(1472), 53-63. Retrieved from https://www.nzma.org.nz/journal

Innes, C. R., Sykes, P. H., Harker, D., Williman, J. A., Van der Griend, R. A., Whitehead, M., Hibma, M., … Petrich, S., Faherty, J., … Simcock, B. J. (2018). Changes in human papillomavirus genotypes associated with cervical intraepithelial neoplasia grade 2 lesions in a cohort of young women (2013–2016). Papillomavirus Research. Advance online publication. doi: 10.1016/j.pvr.2018.10.010

Evans, G. E., Phillipson, G. T. M., Sykes, P. H., McNoe, L. A., Print, C. G., & Evans, J. J. (2018). Does the endometrial gene expression of fertile women vary within and between cycles? Human Reproduction, 33(3), 452-463. doi: 10.1093/humrep/dex385

Hassan, W., Chitcholtan, K., Sykes, P., & Garrill, A. (2018). Ascitic fluid from advanced ovarian cancer patients compromises the activity of receptor tyrosine kinase inhibitors in 3D cell clusters of ovarian cancer cells. Cancer Letters, 420, 168-181. doi: 10.1016/j.canlet.2018.02.013

Janda, M., Gebski, V., Davies, L. C., Forder, P., Brand, A., Hogg, R., … Sykes, P., … Simcock, B., … Obermair, A. (2017). Effect of total laparoscopic hysterectomy vs total abdominal hysterectomy on disease-free survival among women with stage 1 endometrial cancer: A randomised clinical trial. JAMA, 317(12), 1224-1233. doi: 10.1001/jama.2017.2068

Kumar, D., Mutreja, I., Chitcholtan, K., & Sykes, P. (2017). Cytotoxicity and cellular uptake of different sized gold nanoparticles in ovarian cancer cells. Nanotechnology, 28, 475101. doi: 10.1088/1361-6528/aa935e

Taghavi, K., Morell, S., Lamb, J., MacNab, H., Innes, C., Coffey, K., Williman, J., Simcock, B., & Sykes, P. (2017). Initial observation of CIN2 does not appear to reduce quality of life in women under 25 years of age. Australian & New Zealand Journal of Obstetrics & Gynaecology, 57(4), 473-478. doi: 10.1111/ajo.12633

Lindemann, K., Kok, P.-S., Stockler, M., Sykes, P., & Brand, A. (2017). Enhanced recovery after surgery for suspected ovarian malignancy: A survey of perioperative practice among gynecologic oncologists in Australia and New Zealand to inform a clinical trial. International Journal of Gynecological Cancer, 27(5), 1046-1050. doi: 10.1097/igc.0000000000000982

Tan, L. H., Sykes, P. H., Alkaisi, M. M., & Evans, J. J. (2017). Cell-like features imprinted in the physical nano- and micro-topography of the environment modify the responses to anti-cancer drugs of endometrial cancer cells. Biofabrication, 9(1), 015017. doi: 10.1088/1758-5090/aa5c9a

Jamieson, A., Sykes, P., Eva, L., Bergzoll, C., & Simcock, B. (2017). Subtypes of stage IV ovarian cancer: Response to treatment and patterns of disease recurrence. Gynecologic Oncology, 146(2), 273-278. doi: 10.1016/j.ygyno.2017.05.023

Hassan, W., Chitcholtan, K., Sykes, P., & Garrill, A. (2016). A combination of two receptor tyrosine kinase inhibitors, canertinib and PHA665752 comprises ovarian cancer cell growth in 3D cell models. Oncology & Therapy, 4(2), 257-274. doi: 10.1007/s40487-016-0031-1

Kumar, D., Mutreja, I., & Sykes, P. (2016). Seed mediated synthesis of highly mono-dispersed gold nanoparticles in the presence of hydroquinone. Nanotechnology, 27, 355601. doi: 10.1088/0957-4484/27/35/355601

Tino, A. B., Chitcholtan, K., Sykes, P. H., & Garrill, A. (2016). Resveratrol and acetyl-resveratrol modulate activity of VEGF and IL-8 in ovarian cancer cell aggregates via attenuation of the NF-κB protein. Journal of Ovarian Research, 9, 84. doi: 10.1186/s13048-016-0293-0

Stravens, M., Short, J., Johnson, K., Simcock, B., Shand, B., McGeoch, G., & Sykes, P. (2016). Management of postmenopausal bleeding by general practitioners in a community setting: An observational study. New Zealand Medical Journal, 129(1434), 59-68. Retrieved from http://www.nzma.org.nz/journal

Hogg, S. J., Chitcholtan, K., Hassan, W., Sykes, P. H., & Garrill, A. (2015). Resveratrol, acetyl-resveratrol, and polydatin exhibit antigrowth activity against 3D cell aggregates of the SKOV-3 and OVCAR-8 ovarian cancer cell lines. Obstetrics & Gynecology International, 2015, 279591. doi: 10.1155/2015/279591

Tan, L. H., Sykes, P. H., Alkaisi, M. M., & Evans, J. J. (2015). The characteristics of Ishikawa endometrial cancer cells are modified by substrate topography with cell-like features and the polymer surface. International Journal of Nanomedicine, 10, 4883-4895. doi: 10.2147/ijn.s86336

Hogg, S. J., Evans, J. J., Sykes, P. H., & Chitcholtan, K. (2015). A method to investigate the anti-metabolic activity of anti-cancer agents on ovarian cancer cells cultured in a 96-well high throughput format. Journal of Ovarian Research, 8, 43. doi: 10.1186/s13048-015-0172-0

Wilkinson, T. M., Sykes, P. H. H., Simcock, B., & Petrich, S. (2015). Recurrence of high-grade cervical abnormalities following conservative management of cervical intraepithelial neoplasia grade 2. American Journal of Obstetrics & Gynecology, 212(6), 769.e1-769.e7. doi: 10.1016/j.ajog.2015.01.010

Slatter, T. L., Hsia, H., Samaranayaka, A., Sykes, P., Clow, W., Devenish, C. J., … Royds, J. A., … Hung, N. A. (2015). Loss of ATRX and DAXX expression identifies poor prognosis for smooth muscle tumours of uncertain malignant potential and early stage uterine leiomyosarcoma. Journal of Pathology: Clinical Research, 1(2), 95-105. doi: 10.1002/cjp2.11

Evans, G. E., Martínez-Conejero, J. A., Phillipson, G. T. M., Sykes, P. H., Sin, I. L., Lam, E. Y. N., … Evans, J. J. (2014). In the secretory endometria of women, luminal epithelia exhibit gene and protein expressions that differ from those of glandular epithelia. Fertility & Sterility, 102(1), 307-317. doi: 10.1016/j.fertnstert.2014.04.005

Sykes, P., Gopala, K., Tan, A. L., Kenwright, D., Petrich, S., Molijn, A., & Chen, J. (2014). Type distribution of human papillomavirus among adult women diagnosed with invasive cervical cancer (stage 1b or higher) in New Zealand. BMC Infectious Diseases, 14, 374. doi: 10.1186/1471-2334-14-374

Lawton, B., Filoche, S. K., Rose, S. B., Stanley, J., Garrett, S., Robson, B., Brown, S., & Sykes, P. (2014). Uterine cancer: Exploring access to services in the public health system. Australian & New Zealand Journal of Obstetrics & Gynaecology, 54(5), 457-461. doi: 10.1111/ajo.12237

Amant, F., Floquet, A., Friedlander, M., Kristensen, G., Mahner, S., Nam, E. J., … Sykes, P., … Seddon, B. (2014). Gynecological Cancer InterGroup (GCIG) consensus review for endometrial stromal sarcoma. International Journal of Gynecological Cancer, 24(9, Suppl. 3), S67-S72. doi: 10.1097/igc.0000000000000205

Chitcholtan, K., Asselin, E., Parent, S., Sykes, P. H., & Evans, J. J. (2013). Differences in growth properties of endometrial cancer in three dimensional (3D) culture and 2D cell monolayer. Experimental Cell Research, 319(1), 75-87. doi: 10.1016/j.yexcr.2012.09.012

Kang, M. Y., Sykes, P., Herbison, P., & Petrich, S. (2013). Retrospective analysis on timeframes of referral, diagnosis and treatment of patients with endometrial carcinomas in Dunedin Hospital, 2008–2011. New Zealand Medical Journal, 126(1384). Retrieved from http://www.nzma.org.nz/journal

Chitcholtan, K., Sykes, P. H., & Evans, J. J. (2012). The resistance of intracellular mediators to doxorubicin and cisplatin are distinct in 3D and 2D endometrial cancer. Journal of Translational Medicine, 10(1), 38-53. doi: 10.1186/1479-5876-10-38

Kondalsamy-Chennakesavan, S., Yu, C., Kattan, M. W., Leung, Y., Sykes, P., Nascimento, M., … Obermair, A. (2012). Nomograms to predict isolated loco-regional or distant recurrence among women with uterine cancer. Gynecologic Oncology, 125(3), 520-525. doi: 10.1016/j.ygyno.2012.02.022

Obermair, A., Janda, M., Baker, J., Kondalsamy-Chennakesavan, S., Brand, A., Hogg, R., … Sykes, P., … Simcock, B., … Gebski, V. (2012). Improved surgical safety after laparoscopic compared to open surgery for apparent early stage endometrial cancer: Results from a randomised controlled trial. European Journal of Cancer, 48(8), 1147-1153. doi: 10.1016/j.ejca.2012.02.055

Lawton, B. A., Rose, S. B., Pullon, S., Stanley, J., Garrett, S., Sykes, P., Cormack, D., Robson, B., Langdana, F., Cooper, A., & Filoche, S. K. (2012). The impact of outpatient booking systems on waiting times for investigation of suspected cancer: The case of post-menopausal bleeding. Clinical Ovarian & Other Gynecologic Cancer, 5(2), 87-93. doi: 10.1016/j.cogc.2013.06.001

Evans, G. E., Martínez-Conejero, J. A., Phillipson, G. T. M., Simón, C., McNoe, L. A., Sykes, P. H., … Evans, J. J. (2012). Gene and protein expression signature of endometrial glandular and stromal compartments during the window of implantation. Fertility & Sterility, 97(6), 1365-1373. doi: 10.1016/j.fertnstert.2012.03.007

Sykes, P., Vaughan, M., Chrystal, K., Ehrenberg, N., Hefford, M., Hutchings, S., … Ngan Kee, D. (2012). Providing care for women with gynaecological malignancy: The need for a coordinated national approach. New Zealand Medical Journal, 125(1360). Retrieved from http://www.nzma.org.nz/journal

Kondalsamy-Chennakesavan, S., Janda, M., Gebski, V., Baker, J., Brand, A., Hogg, R., … Sykes, P., … Simcock, B., … Obermair, A. (2012). Risk factors to predict the incidence of surgical adverse events following open or laparoscopic surgery for apparent early stage endometrial cancer: Results from a randomised controlled trial. European Journal of Cancer, 48(14), 2155-2162. doi: 10.1016/j.ejca.2012.03.013

Evans, J. J., Chitcholtan, K., Dann, J. M., Guilford, P., Harris, G., Lewis, L. K., Nagase, J., … Sykes, P. H. (2012). Adrenomedullin interacts with VEGF in endometrial cancer and has varied modulation in tumours of different grades. Gynecologic Oncology, 125(1), 214-219. doi: 10.1016/j.ygyno.2011.12.429

Obermair, A., Mileshkin, L., Bolz, K., Kondalsamy-Chennakesavan, S., Cheuk, R., Vasey, P., … Sykes, P., & Janda, M. (2011). Prospective, non-randomized phase 2 clinical trial of carboplatin plus paclitaxel with sequential radical pelvic radiotherapy for uterine papillary serous carcinoma. Gynecologic Oncology, 120(2), 179-184. doi: 10.1016/j.ygyno.2010.10.039

McLeod, M., Cormack, D., Harris, R., Robson, B., Sykes, P., & Crengle, S. (2011). Achieving equitable outcomes for Māori women with cervical cancer in New Zealand: Health provider views. New Zealand Medical Journal, 124(1334). Retrieved from http://journal.nzma.org.nz/journal/124-1334/4661/content.pdf

McAllum, B., Sykes, P. H. H., Sadler, L., MacNab, H., Simcock, B. J., & Mekhail, A. K. (2011). Is the treatment of CIN 2 always necessary in women under 25? American Journal of Obstetrics & Gynecology, 205(5), 478.e1-478.e7. doi: 10.1016/j.ajog.2011.06.069

Janda, M., Gebski, V., Brand, A., Hogg, R., Jobling, T. W., Land, R., … Sykes, P., … Obermair, A. (2010). Quality of life after total laparoscopic hysterectomy versus total abdominal hysterectomy for stage I endometrial cancer (LACE): A randomised trial. Lancet Oncology, 11(8), 772-780. doi: 10.1016/S1470-2045(10)70145-5

McLeod, M., Harris, R., Purdie, G., Cormack, D., Robson, B., Sykes, P., Crengle, S., Iupati, D., & Walker, N. (2010). Improving survival disparities in cervical cancer between Māori and non-Māori women in New Zealand: A National Retrospective Cohort Study. Australian & New Zealand Journal of Public Health, 34(2), 193-199. doi: 10.1111/j.1753-6405.2010.00506.x

Kuiper, C., Molenaar, I. G. M., Dachs, G. U., Currie, M. J., Sykes, P. H., & Vissers, M. C. M. (2010). Low ascorbate levels are associated with increased hypoxia-inducible factor-1 activity and an aggressive tumor phenotype in endometrial cancer. Cancer Research, 70(14), 5749-5758. doi: 10.1158/0008-5472.CAN-10-0263

Smart, O. C., Sykes, P., McNab, H., & Jennings, L. (2010). Testing for high risk human papilloma virus in the initial follow-up of women treated for high-grade squamous intraepithelial lesions. Australian & New Zealand Journal of Obstetrics & Gynaecology, 50(2), 164-167. doi: 10.1111/j.1479-828X.2009.01132.x

Priest, P., Sadler, L., Sykes, P., Marshall, R., Peters, J., & Crengle, S. (2010). Determinants of inequalities in cervical cancer stage at diagnosis and survival in New Zealand. Cancer Causes & Control, 21, 209-214. doi: 10.1007/s10552-009-9451-7

Su, H. Y., & Sykes, P. H. (2009). Waiting times for gynaecological cancer surgery. New Zealand Medical Journal, 122(1305). Retrieved from http://journal.nzma.org.nz/journal/122-1305/3854/content.pdf

Dann, J. M., Sykes, P. H., Mason, D. R., & Evans, J. J. (2009). Regulation of Vascular Endothelial Growth Factor in endometrial tumour cells by resveratrol and EGCG. Gynecologic Oncology, 113(3), 374-378.

Sykes, P. H., Harker, D. Y., Miller, A., Whitehead, M., Neal, H., Wells, J. E., & Peddie, D. (2008). A randomised comparison of SurePath liquid-based cytology and conventional smear cytology in a colposcopy clinic setting. BJOG, 115(11), 1375-1381. doi: 10.1111/j.1471-0528.2008.01865.x

Jones, R. W., Coughlan, E. P., Reid, J. S., Sykes, P., Watson, P. D., & Cook, C. (2007). Human papilloma virus vaccines and their role in cancer prevention. New Zealand Medical Journal, 120(1266). Retrieved from http://journal.nzma.org.nz/journal/120-1266/2829/content.pdf

Muys, J. J., Alkaisi, M. M., Melville, D. O. S., Nagase, J., Sykes, P., Parguez, G. M., & Evans, J. J. (2006). Cellular transfer and AFM imaging of cancer cells using Bioimprint. Journal of Nanobiotechnology, 4. Retrieved from http://www.jnanobiotechnology.com/content/4/1/1

Watson, A. J., Smith, B. B., Whitehead, M. R., Sykes, P. H., & Frizelle, F. A. (2006). Malignant progression of anal intra-epithelial neoplasia. ANZ Journal of Surgery, 76(8), 715-717.

Sadler, L., & Sykes, P. (2005). How little is known about cervical cancer in pregnancy? [Editorial]. Annals of Oncology, 16, 341-343.

Sykes, P. H., Reddy, J., & Peddie, D. J. (2005). Does regular cervical screening protect women from microinvasive squamous cell carcinoma of the cervix? A retrospective case-control study. BJOG, 112, 807-809.

Pather, S., Ford, M., Reid, R., & Sykes, P. (2005). Postpartum curettage: An audit of 200 cases. Australian & New Zealand Journal of Obstetrics & Gynaecology, 45, 368-371.

Sykes, P., Harker, D., & Peddie, D. (2005). Findings and outcome of teenage women referred for colposcopy at Christchurch Women's Hospital, New Zealand. New Zealand Medical Journal, 118(1211). Retrieved from http://journal.nzma.org.nz/journal/118-1211/1350/content.pdf

Sykes, P., Jennings, L., Harker, D., & Beynon, K. (2005). Human papilloma virus is detectable by the Hybrid Capture 2 test in cervical smear samples from women over 40 years of age with high-grade squamous intraepithelial lesions. Australian & New Zealand Journal of Obstetrics & Gynaecology, 45, 457-459.

Losco, G., Sykes, P., Anderson, N., Roberts, H., Fulton, J., & Fraser, H. (2004). Clinical utility of magnetic resonance imaging and the preoperative identification of low risk endometrial cancer. Australian & New Zealand Journal of Obstetrics & Gynaecology, 44, 419-422.

Abbas, M. M., Evans, J. J., Sykes, P. H., & Benny, P. S. (2004). Modulation of vascular endothelial growth factor and thymidine phosphorylase in normal human endometrial stromal cells. Fertility & Sterility, 82(Suppl. 3), 1048-1053.

Jones, S., Sykes, P., Pather, S., & Peddie, D. (2004). Is there a role for colposcopy in the follow-up of treated low grade squamous intraepithelial lesions? Australian & New Zealand Journal of Obstetrics & Gynaecology, 44, 574-576.

Sykes, P., Allen, D., Cohen, C., Scurry, J., & Yeo, D. (2003). Does the density of lymphatic vascular space invasion affect the prognosis of stage Ib and IIA node negative carcinoma of the cervix? International Journal of Gynecological Cancer, 13, 313-316.

Frizelle, F. A., Beasley, S. W., Roake, J. A., & Sykes, P. (2002). Specialisation within the specialty of general surgery; can the potential advantages be realised? New Zealand Medical Journal, 115, 295-298.

Smith, N., Sykes, P., Frizelle, F. A., & McCormick, P. (2002). High-grade vulval intraepithelial neoplasia (VIN3): A retrospective outcome and relationship to squamous cell carcinoma of the vulva 1989-1999. Australian & New Zealand Journal of Obstetrics & Gynaecology, 42, 67-74.

Sykes, P., Nam, S., Wynne, C. J., Anderson, N., North, C. J., Hunter, L., … Fentiman, G. S. (2002). The pre-operative identification of low-risk endometrial cancer: An audit of women treated in the South Island of New Zealand 1998-2000. Australian & New Zealand Journal of Obstetrics & Gynaecology, 42(4), 387-390.

Simcock, B., Sykes, P. H., & Laney, M. G. (2001). The impact of the National Cervical Screening Programme on the presentation of cancer of the cervix in Canterbury. New Zealand Medical Journal, 114, 378-380.

Pather, S., Sykes, P. H., Davis, R., Reid, R. A., & Skjellerup, N. R. (2001). Thromboprophylaxis following caesarean section; hospital protocols are necessary. New Zealand Medical Journal, 114, 339-340.

Foate, J., Begg, E. J., Anderson, T. J., Bagshaw, P. F., Coulter, G., George, P. M., Macleod, S., … Sykes, P. (1999). The Stent report one year on. New Zealand Medical Journal, 112, 278-279.

Sykes, P., & Mulvaney, P. H. (1998). Mesothelial cell hyperplasia in laparoscopy sites may cause difficulties in the diagnosis, staging, and management of ovarian tumours: a case report. International Journal of Gynecological Cancer, 8, 345-348.

Mulvaney, N. J., & Sykes, P. (1997). Desmoplastic melanoma of the vulva. Pathology, 29, 241-245.

Sykes, P., Quinn, M. A., & Rome, R. (1997). Ovarian tumours of low malignant potential: A retrospective study of 234 patients. International Journal of Gynecological Cancer, 7, 218-226.

Mulvaney, P. H., & Sykes, P. (1997). Desmoplastic melanoma of the vulva. Pathology, 29, 241-245.

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Journal - Research Other

Cohen, P., Brand, A., Sykes, P., Wrede, D. C. H., McNally, O., Eva, L., … Stoyles, P. (2017). Excisional treatment in women with cervical adenocarcinoma in situ (AIS): A prospective randomised controlled non-inferiority trial to compare AIS persistence/recurrence after loop electrosurgical excision procedure with cold knife cone biopsy: Protocol for a pilot study. BMJ Open, 7, e017576. doi: 10.1136/bmjopen-2017-017576

Sykes, P., Innes, C., Harker, D., Whitehead, M., van der Griend, R., Lawton, B., Hibma, M., … Petrich, S., Faherty, J., Bergzoll, C., … Parker, C., Sadler, L., & Simcock, B. (2016). Observational management of CIN 2 in young women: A prospective multicenter trial. Journal of Lower Genital Tract Disease, 20(4), 343-347. doi: 10.1097/lgt.0000000000000244

Taghavi, K., Sykes, P., Innes, C., Gibbs, D., Hunter, L. A., McBurnie, W., & Simcock, B. (2015). Wrong place at the wrong time: A case of cervical embryonal rhabdomyosarcoma in pregnancy. Gynecologic Oncology Reports, 12, 77-79. doi: 10.1016/j.gore.2015.04.001

Sykes, P. (2014). [Review of the book The rise and fall of National Women’s Hospital: A history]. New Zealand Medical Journal, 127(1394). Retrieved from http://www.nzma.org.nz/journal

Sykes, P. H., McAllum, B. E., Simcock, B., & Sadler, L. (2012). [Reply to letter to the editor Initial diagnosis of CIN 2—should patients be managed expectatively?]. American Journal of Obstetrics & Gynecology, 206(3), e11-e12. doi: 10.1016/j.ajog.2011.11.004

Walker, N. H., Sabanli, M., Sykes, P. H., Russell, P., & Perez, D. (2012). Successful reproductive outcome following treatment of advanced small cell carcinoma of the ovary. Gynecologic Oncology Reports, 2(3), 115-117. doi: 10.1016/j.gynor.2012.06.001

Sykes, P., Miller, A., & Peddie, D. (2009). Unsatisfactory cervical cytology screening specimens are associated with missed cervical dysplasia and cancer [Author's reply]. BJOG, 116(6), 867. doi: 10.1111/j.1471-0528.2009.02114.x

Sykes, P., Sadler, L., & Priest, P. (2008). Screening the hard to reach: Improving morbidity and mortality from cervical cancer in New Zealand [Editorial]. New Zealand Medical Journal, 121(1277). Retrieved from http://journal.nzma.org.nz/journal/121-1277/3135/content.pdf

North, J., Perez, D., Fentiman, G., Sykes, P., Dempster, A., & Pearse, M. (2007). Primary breast cancer of the vulva: Case report and literature review. Australian & New Zealand Journal of Obstetrics & Gynaecology, 47(1), 77-79. doi: 10.1111/j.1479-828X.2006.00685.x

Vaughan, M., Sykes, P., Johnson, C., Fitzharris, B., on behalf of the New Zealand Gynaecologic Cancer Group. (2006). Improving outcomes in ovarian cancer [Editorial]. New Zealand Medical Journal, 119(1242). Retrieved from http://journal.nzma.org.nz/journal/119-1242/2171/content.pdf

Sykes, P. H., & Mulvany, N. J. (1998). Mesothelial cell hyperplasia in laparoscopy sites may cause difficulties in the diagnosis, staging and management of ovarian tumours: A case report. International Journal of Gynecological Cancer, 8, 345-348.

Black, K., Sykes, P., & Östör, A. G. (1998). Trophoblastic differentiation in an endometrial carcinoma [Case report]. Australian & New Zealand Journal of Obstetrics & Gynaecology, 38(4), 472-473. doi: 10.1111/j.1479-828X.1998.tb03116.x

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