Karin Leunen

Management of Borderline Ovarian Neoplasms

Over the last decades, the management of borderline ovarian tumors (BOTs) has changed from radical surgery to more conservative therapy as a result of the need for fertility-sparing surgery and the increasing use of laparoscopy. The question is whether this is good clinical practice from an oncologic point of view. Here, recent literature regarding management of borderline ovarian neoplasms is reviewed, and oncologic concerns are discussed with emphasis on the mode of surgery and the possibility of fertility-sparing surgery and its consequences. Proper staging is defined as an exploration of the entire abdominal cavity with peritoneal washings, infracolic omentectomy, and multiple peritoneal biopsies as the cornerstone of a successful treatment, and this is only possible through a midline incision. For stage I disease, conservative surgery consisting of unilateral salpingo-oophorectomy or cystectomy in case of bilateral ovarian involvement or when the disease develops in the only remaining ovary is a valuable alternative in a number of young patients who want to preserve their fertility. Patients with advanced-stage disease or who are finished childbearing are treated with radical surgery consisting of peritoneal washings, total abdominal hysterectomy, bilateral salpingo-oophorectomy, infracolic omentectomy, complete peritoneal resection of macroscopic lesions, or multiple peritoneal biopsies; in case of mucinous BOTs, patients also are treated with an appendectomy.

Clinical study investigating the role of lymphadenectomy, surgical castration and adjuvant hormonal treatment in endometrial stromal sarcoma

The objective of this study is to assess the therapeutic importance of surgical castration, adjuvant hormonal treatment and lymphadenectomy in endometrial stromal sarcoma (ESS). A retrospective and multicentric search was performed. Clinicopathologic data were retrieved from cases that were confirmed to be ESS after central pathology review. The protocol was approved by the Ethical Committee. ESS was confirmed histopathologically in 34 women, but follow-up data were available in only 31 women. Surgical treatment (n=31) included hysterectomy with or without bilateral salpingo-oophorectomy (BSO) in 23 out of 31 (74%) and 8 out of 31 (26%) cases, respectively. Debulking surgery was performed in 6 out of 31 cases (19%). Stage distribution was as follows: 22 stage I, 4 stage III and 5 stage IV. Women with stage I disease recurred in 4 out of 22 (18%) cases. Among stage I women undergoing hormonal treatment with or without BSO, 3 out of 15 (20%) and 1 out of 7 (14%) relapsed, respectively. Among stages III–IV women receiving adjuvant hormonal treatment or not, 1 out of 5 (20%) and 3 out of 4 (75%) relapsed, respectively (differences=55.0%, 95% CI=−6.8–81.2%). Kaplan–Meier curves show comparable recurrence rates for stage I disease without adjuvant hormonal treatment when compared to stages III–IV disease treated with surgery and adjuvant hormonal treatment. Furthermore, women taking hormones at diagnosis have a better outcome when compared to women not taking hormonal treatment. Three out of 31 (9%) patients had a systematic lymphadenectomy whereas 3 out of 31 (9%) had a lymph node sampling. In one case, obvious nodal disease was encountered at presentation. Isolated retroperitoneal recurrence occurred in 1 out of 31 (3%) of all cases and in 1 out of 8 (13%) recurrences. This single woman later also developed lung and abdominal metastases. Leaving lymph nodes in situ does not appear to alter the clinical outcome of ESS. Although numbers are low, the retrospective data suggest that the need for surgical castration (BSO) in premenopausal women with early-stage disease should be discussed with the patient on an individual basis. The data support the current practice in some centres to administer adjuvant hormonal treatment.

Debilitating musculoskeletal pain and stiffness with letrozole and exemestane: associated tenosynovial changes on magnetic resonance imaging

ObjectiveArthralgia, skeletal and muscle pain have been reported in postmenopausal women under treatment with third generation aromatase inhibitors (AIs). However, the pathogenesis and anatomic correlate of musculoskeletal pains have not been thoroughly evaluated. Moreover, the impact of AI-induced musculoskeletal symptoms on normal daily functioning needs to be further explored.Patients and methodsWe examined 12 consecutive non-metastatic breast cancer patients who reported severe musculoskeletal pain under a third generation AI; 11 were on letrozole and 1 on exemestane. Clinical rheumatological examination and serum biochemistry were performed. Radiological evaluation of the hand/wrist joints were performed using ultrasound (US) and/or magnetic resonance imaging (MRI).ResultsThe most common reported symptom was severe early morning stiffness and hand/wrist pain causing impaired ability to completely close/stretch the hand/fingers and to perform daily activities and work-related skills. Six patients had to discontinue treatment due to severe symptoms. Trigger finger and carpal tunnel syndrome were the most frequently reported clinical signs. US showed fluid in the tendon sheath surrounding the digital flexor tendons. On MRI, an enhancement and thickening of the tendon sheath was a constant finding in all 12 patients.ConclusionsMusculoskeletal pains in breast cancer patients under third generation AIs can be severe, debilitating, and can limit compliance. Characteristic tenosynovial, and in some patients joint changes on US and MRI were observed in this series and have not been reported before.

CHEK2*1100delC Heterozygosity in Women With Breast Cancer Associated With Early Death, Breast Cancer–Specific Death, and Increased Risk of a Second Breast Cancer

PURPOSE We tested the hypotheses that CHEK2*1100delC heterozygosity is associated with increased risk of early death, breast cancer-specific death, and risk of a second breast cancer in women with a first breast cancer. PATIENTS AND METHODS From 22 studies participating in the Breast Cancer Association Consortium, 25,571 white women with invasive breast cancer were genotyped for CHEK2*1100delC and observed for up to 20 years (median, 6.6 years). We examined risk of early death and breast cancer-specific death by estrogen receptor status and risk of a second breast cancer after a first breast cancer in prospective studies. RESULTS CHEK2*1100delC heterozygosity was found in 459 patients (1.8%). In women with estrogen receptor-positive breast cancer, multifactorially adjusted hazard ratios for heterozygotes versus noncarriers were 1.43 (95% CI, 1.12 to 1.82; log-rank P = .004) for early death and 1.63 (95% CI, 1.24 to 2.15; log-rank P < .001) for breast cancer-specific death. In all women, hazard ratio for a second breast cancer was 2.77 (95% CI, 2.00 to 3.83; log-rank P < .001) increasing to 3.52 (95% CI, 2.35 to 5.27; log-rank P < .001) in women with estrogen receptor-positive first breast cancer only. CONCLUSION Among women with estrogen receptor-positive breast cancer, CHEK2*1100delC heterozygosity was associated with a 1.4-fold risk of early death, a 1.6-fold risk of breast cancer-specific death, and a 3.5-fold risk of a second breast cancer. This is one of the few examples of a genetic factor that influences long-term prognosis being documented in an extensive series of women with breast cancer.

Robotic retroperitoneal lower para-aortic lymphadenectomy in cervical carcinoma: First report on the technique used in 5 patients

Objective. Retroperitoneal para‐aortic laparoscopic lymphadenectomy is a technically challenging operation. The robotic Da Vinci system might be valuable in this operation due to a steady three‐dimensional visualization, instrumentation with articulating tips, and an adaptive downscaling of the surgeons movements (without tremor). To the best of our knowledge, this is the first report on robotic retroperitoneal para‐aortic lymphadenectomy in patients with gynecologic cancer. Method and results. We report on the technique and operative results of the robotic retroperitoneal lower para‐aortic lymphadenectomy using the Da Vinci Surgical System. Five patients with cervical carcinoma stage IIb‐IIb were included. Technically the procedure was easier to perform than with the classical retroperitoneal laparoscopic approach. However using the Da Vinci Surgical System it is important to tilt the patient slightly to the left to avoid collision between the left arm of the patient and the robotic arms, and to place the endoscopic robotic arm between the 2 arms used for dissection. Finally, we experienced that using a 30° scope is advantageous for the dissection of the paracaval nodes. None of the patients had evidence of para‐aortic metastases on preoperatively staging, including Positron Emission Tomography – Computed Tomography (PET‐CT). One of the patients had positive para‐aortic lymph nodes. Conclusion. Here we report on the surgical technique used in our first 5 patients undergoing retroperitoneal para‐aortic lymphadenectomy using the robotic Da Vinci system. It is important to adapt the surgical technique using the Da Vinci Surgical System compared with the classical laparoscopic technique.

Timing of debulking surgery in advanced ovarian cancer

It is clear that primary debulking remains the standard of care within the treatment of advanced ovarian cancer (FIGO stage III and IV). This debulking surgery should be performed by a gynecological oncologist without any residual tumor load, or so-called “optimal debulking.” Over the last decades, interest in the use of neoadjuvant chemotherapy together with an interval debulking has increased. Neoadjuvant therapy can be used for patients who are primarily suboptimally debulked due to an extensive tumor load. In this situation, based on the randomized European Organization for Research and Treatment of Cancer–Gynaecological Cancer Group trial, interval debulking by an experienced surgeon improves survival in some patients who did not undergo optimal primary debulking surgery. Based on the GOG 152 data, interval debulking surgery does not seem to be indicated in patients who underwent primarily a maximal surgical effort by a gynecological oncologist. Neoadjuvant chemotherapy can also be used as an alternative to primary debulking. In retrospective analyses, neoadjuvant chemotherapy followed by interval debulking surgery does not seem to worsen prognosis compared to primary debulking surgery followed by chemotherapy. However, we will have to wait for the results of future randomized trials to know whether neoadjuvant chemotherapy followed by interval debulking surgery is a good alternative to primary debulking surgery in stage IIIc and IV patients. Open laparoscopy is probably the most valuable tool for evaluating the operability primarily or at the time of interval debulking surgery

Does Estrogen Receptor–Negative/Progesterone Receptor–Positive Breast Carcinoma Exist?

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Effect of manual lymph drainage in addition to guidelines and exercise therapy on arm lymphoedema related to breast cancer: randomised controlled trial.

Objective To determine the preventive effect of manual lymph drainage on the development of lymphoedema related to breast cancer. Design Randomised single blinded controlled trial. Setting University Hospitals Leuven, Leuven, Belgium. Participants 160 consecutive patients with breast cancer and unilateral axillary lymph node dissection. The randomisation was stratified for body mass index (BMI) and axillary irradiation and treatment allocation was concealed. Randomisation was done independently from recruitment and treatment. Baseline characteristics were comparable between the groups. Intervention For six months the intervention group (n=79) performed a treatment programme consisting of guidelines about the prevention of lymphoedema, exercise therapy, and manual lymph drainage. The control group (n=81) performed the same programme without manual lymph drainage. Main outcome measures Cumulative incidence of arm lymphoedema and time to develop arm lymphoedema, defined as an increase in arm volume of 200 mL or more in the value before surgery. Results Four patients in the intervention group and two in the control group were lost to follow-up. At 12 months after surgery, the cumulative incidence rate for arm lymphoedema was comparable between the intervention group (24%) and control group (19%) (odds ratio 1.3, 95% confidence interval 0.6 to 2.9; P=0.45). The time to develop arm lymphoedema was comparable between the two group during the first year after surgery (hazard ratio 1.3, 0.6 to 2.5; P=0.49). The sample size calculation was based on a presumed odds ratio of 0.3, which is not included in the 95% confidence interval. This odds ratio was calculated as (presumed cumulative incidence of lymphoedema in intervention group/presumed cumulative incidence of no lymphoedema in intervention group)×(presumed cumulative incidence of no lymphoedema in control group/presumed cumulative incidence of lymphoedema in control group) or (10/90)×(70/30). Conclusion Manual lymph drainage in addition to guidelines and exercise therapy after axillary lymph node dissection for breast cancer is unlikely to have a medium to large effect in reducing the incidence of arm lymphoedema in the short term. Trial registration Netherlands Trial Register No NTR 1055.

Relationship Between Age and Axillary Lymph Node Involvement in Women With Breast Cancer

PURPOSE To study the relation between the presence of axillary lymph node (LN) involvement and age in breast cancer. PATIENTS AND METHODS The breast cancer database of the University Hospitals Leuven contains complete data on 2,227 patients with early breast cancer consecutively treated between 2000 and 2005. A multivariate piecewise logistic regression model was used to analyze LN involvement in relation to age at diagnosis. A similar analysis was then performed on a large, independent, population-based database from the Eindhoven Cancer Registry to investigate whether the effects of the Leuven model could be replicated. RESULTS We observed a piecewise effect of age. That is, women up to 70 years of age were less likely to have positive LNs with increasing age (odds ratio per 10-year increase, 0.87). In contrast, older women were more likely to have positive LNs with increasing age. However, for older women, the effect of age interacted with tumor size (P = .0044), suggesting that increasing age is associated with increased risk of LN involvement, mainly in small tumors. These findings were replicated in the Eindhoven Cancer Registry database. CONCLUSION Axillary LN involvement varies with age at diagnosis; its probability decreases with increasing age up to the age of approximately 70 years, but increases again thereafter. However, this increase is mainly seen in smaller tumors and suggests a different behavior of small breast cancers in older adult patients. We hypothesize that decreased immune defense mechanisms, related with aging, may play a role in earlier invasion into LNs.

Endometrial stromal sarcoma presenting as postpartum haemorrhage: report of a case with a sole t(10;17)(q22;p13) translocation

BACKGROUND Although the clinical picture of endometrial stromal sarcoma (ESS) is variable, it was never reported to present as a postpartum hemorrhage. In addition, ESS is a tumor type of which, due to its rarity, little is known regarding chemosensitivity and genetic changes. CASE A 28-year-old woman complaining of persistent postpartum bleeding was referred to our hospital, where she was diagnosed with ESS. At laparotomy, the invasion of nervous and vascular pelvic structures rendered her inoperable, and chemotherapy (doxorubicin 50 mg/m(2) for 15 min; ifosfamide 5 g/m(2)/24 h; mesna 5 g/m(2), every 3 weeks) was initiated. The ESS appeared to be chemosensitive because after three treatment cycles the tumor iliac metastase significantly decreased in volume and became surgically removable. Chemosensitivity was confirmed microscopically. Three additional courses of chemotherapy and pelvic irradiation were administered. Cytogenetic evaluation of both the primary as well as the metastatic lesions revealed a t(10;17)(q22;p13) as the sole cytogenetic abnormality. CONCLUSIONS Three interesting features of this particular case put ESS in a new perspective. First, the fundal ESS permitted normal conception and pregnancy but caused a postpartum haemorrhage. Second, the ESS was clearly chemosensitive. Third, we report a novel cytogenetic aberration in ESS, the molecular characterization of which might lead to the identification of the deregulated pathway(s) triggering tumor development in ESS.