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Ovarian Cancer: A Review

Author/s: 
Giuseppe Caruso, MD, S. John Weroha, MD, PhD, William Cliby, MD

Importance: Ovarian cancer is the eighth most common cause of cancer and cancer death in women worldwide. In 2022, ovarian cancer was diagnosed in approximately 324 398 individuals, and 206 839 died of ovarian cancer worldwide. In 2025, it is estimated that 20 890 US women will be diagnosed with ovarian cancer and 12 730 patients will die of ovarian cancer.

Observations: Approximately 90% of ovarian cancers are epithelial malignancies, of which 70% to 80% are high-grade serous ovarian cancers. Less common epithelial subtypes include endometrioid, clear cell, low-grade serous, mucinous, and carcinosarcoma. The median age at diagnosis of ovarian cancer is 63 years. Risk factors include older age, family history of breast or ovarian cancer, endometriosis, and nulliparity. Hereditary factors are associated with 25% of cases, predominantly linked to BRCA1/2 gene variants. At diagnosis, approximately 95% of patients experience nonspecific symptoms, such as abdominal pain, bloating, and urinary urgency and frequency, and about 80% have advanced-stage disease (stage III-IV), including extrapelvic disease, ascites, and abdominal masses. Diagnostic and staging evaluation includes pelvic ultrasound; computed tomography of the chest, abdomen, and pelvis; and serum tumor markers such as carbohydrate antigen 125, carbohydrate antigen 19-9, and carcinoembryonic antigen. First-line treatment for early-stage ovarian cancer, defined as limited to the ovary or fallopian tube (stage I) or confined to the pelvis (stage II), is surgery (hysterectomy, bilateral salpingo-oophorectomy, omentectomy, and lymphadenectomy), followed by adjuvant chemotherapy (carboplatin and paclitaxel). With treatment, early-stage ovarian cancer has a 5-year overall survival of 70% to 95%. Advanced-stage ovarian cancer may be treated with primary cytoreductive surgery (removal of all visible cancer in the abdominal cavity) and adjuvant chemotherapy (carboplatin and paclitaxel) or with neoadjuvant chemotherapy followed by cytoreductive surgery and adjuvant chemotherapy. Most patients with advanced-stage ovarian cancer receive maintenance therapy with bevacizumab (a monoclonal antibody that blocks angiogenesis) and/or poly–adenosine diphosphate ribose polymerase (PARP) inhibitors. With treatment, the 5-year overall survival rate for advanced-stage ovarian cancer is 10% to 40%. However, individuals with BRCA-related gene variants have a 5-year overall survival rate of approximately 70% with PARP inhibitor treatment. Despite an initial remission rate of 80%, approximately 75% of patients with advanced-stage disease have ovarian cancer relapse within 2 years.

Conclusions and Relevance: Approximately 21 000 women are diagnosed with ovarian cancer annually in the US, and approximately 80% have advanced-stage ovarian cancer at diagnosis. First-line treatment of early-stage ovarian cancer is surgery and adjuvant platinum-based chemotherapy. Treatment of advanced-stage ovarian cancer includes cytoreductive surgery, platinum-based chemotherapy, and targeted maintenance therapies such as bevacizumab and/or PARP inhibitors.

Keywords 
Reproductive Health oncology ovarian cancer gynecological cancer Obstetrics and Gynecology gynecology ovaries

Nonspecific Low Back Pain

Author/s: 
Chiarotto, A., Koes, B. W.

Low back pain typically defined as pain below the costal margin and above the inferior gluteal folds with or without leg pain 1 is worldwide the most prevalent and most disabling of the conditions that are considered to benefit from rehabilitation 2 In a systematic review that included 165 studies from 54 countries the mean point prevalence of low back pain in the general adult population was approximately 12 with a higher prevalence among persons 40 years of age or older and among women the lifetime prevalence was approximately 40 3 Low back pain is classified as specific pain and other symptoms that are caused by specific pathophysiological mechanisms of nonspinal or spinal origin or nonspecific back pain with or without leg pain without a clear nociceptive-specific cause 4 Nonspinal causes of specific low back pain include hip conditions diseases of the pelvic organs e g prostatitis and endometriosis and vascular e g aortic aneurysm or systemic disorders spinal causes include herniated disk spinal stenosis fracture tumor infection and axial spondyloarthritis Lumbar disorders with radicular pain due to nerve-root involvement have a higher prevalence 5 to 10 than other spinal causes the two most frequent causes of such back pain are herniated disk and spinal stenosis 5 The overall prevalence of the other spinal disorders is low among patients with acute low back pain For example among 1172 patients who presented to primary care clinicians in Australia with acute low back pain only 11 0 9 were found to have serious spinal conditions mostly fractures during 1 year of follow-up 6 The authors of a Dutch study that involved primary care patients reported axial spondyloarthritis in almost one quarter of adults 20 to 45 years of age who presented with chronic low back pain 7 although these findings have not been replicated In contrast to low back pain caused by specific identifiable causes nonspecific low back pain probably develops from the interaction of biologic psychological and social factors 4 and it accounts for approximately 80 to 90 of all cases of low back pain 1 Low back pain is usually classified according to pain duration as acute 6 weeks subacute 6 to 12 weeks or chronic 12 weeks

Keywords 
back pain Nonspecific Low Back Pain treatment Spinal

Rethinking mechanisms, diagnosis and management of endometriosis

Author/s: 
Chapton, Charles, Marcellin, Louis, Borghese, Bruno, Santulli, Pietro

Endometriosis is a chronic inflammatory disease defined as the presence of endometrial tissue outside the uterus, which causes pelvic pain and infertility. This disease should be viewed as a public health problem with a major effect on the quality of life of women as well as being a substantial economic burden. In light of the considerable progress with diagnostic imaging (for example, transvaginal ultrasound and MRI), exploratory laparoscopy should no longer be used to diagnose endometriotic lesions. Instead, diagnosis of endometriosis should be based on a structured process involving the combination of patient interviews, clinical examination and imaging. Notably, a diagnosis of endometriosis often leads to immediate surgery. Therefore, rethinking the diagnosis and management of endometriosis is warranted. Instead of assessing endometriosis on the day of the diagnosis, gynaecologists should consider the patient's 'endometriosis life'. Medical treatment is the first-line therapeutic option for patients with pelvic pain and no desire for immediate pregnancy. In women with infertility, careful consideration should be made regarding whether to provide assisted reproductive technologies prior to performing endometriosis surgery. Modern endometriosis management should be individualized with a patient-centred, multi-modal and interdisciplinary integrated approach.

Keywords 
Pregnancy women Endometriosis Infertility Uterus Pain
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