Publications by authors named "Yi Chun Lee"

Objectives: To evaluate differences in survival and recurrence patterns in stage I-IV uterine carcinosarcoma patients treated with surgery followed by adjuvant chemotherapy alone, radiation alone, or a combination of both chemotherapy and radiation therapy.

Methods: A multicenter retrospective analysis of patients with surgically staged carcinosarcoma receiving adjuvant therapy from January 2000 to December 2019 was conducted. Inclusion criteria were patients with carcinosarcoma who had received primary surgical treatment, followed by adjuvant therapy with chemotherapy alone, radiation therapy alone, or a combination of chemoradiation.

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Objectives: The prognosis of patients presenting with stage IVB uterine serous carcinoma (USC) remains extremely poor, with a reported 5-year survival of <20%. Here were evaluate the survival impact of cytoreductive surgery and identify other prognostic factors in stage IVB USC.

Methods: A multicenter retrospective analysis of patients with stage IVB USC was conducted from 2000 to 2018.

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Background: Wilms tumor gene 1 (WT1) expression is a hallmark of ovarian serous carcinoma and considered to be diagnostic marker of these tumors, differentiating them from uterine serous carcinoma (USC), historically thought to rarely express WT1. However, more recent data indicates a significant percentage of USC may express WT1. The clinical implications of WT1 positivity in USC remain unclear.

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Background: Despite significant increase in COVID-19 publications, characterization of COVID-19 infection in patients with gynecologic cancer remains limited. Here we present an update of COVID-19 outcomes among people with gynecologic cancer in New York City (NYC) during the initial surge of severe acute respiratory syndrome coronavirus 2 (coronavirus disease 2019 [COVID-19]).

Methods: Data were abstracted from gynecologic oncology patients with COVID-19 infection among 8 NYC area hospital systems between March and June 2020.

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Objectives: Cervical cancer screening recommendations suggest that cessation can be offered above the age of 65 years if specific prior negative screening criteria are met. We investigated the prevalence of abnormal results in individuals who continue screening despite satisfying the American Society for Colposcopy and Cervical Pathology guidelines for cessation.

Materials And Methods: In this retrospective study, medical records 2008-2019 from a single urban hospital-based clinic were queried.

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We studied the incidence of HPV genotypes in mostly Black women with cervical carcinoma and correlated histopathologic tumor characteristics, immune markers and clinical data with survival. Disease-free survival (DFS) and overall survival (OS) were recorded for 60 months post-diagnosis. Fifty four of the 60 (90%) patients were Black and 36 (60%) were < 55 years of age.

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Purpose: The Sedlis criteria define risk factors for recurrence warranting post-hysterectomy radiation for early-stage cervical cancer; however, these factors were defined for squamous cell carcinoma (SCC) at an estimated recurrence risk of ≥30%. Our study evaluates and compares risk factors for recurrence for cervical SCC compared with adenocarcinoma (AC) and develops histology-specific nomograms to estimate risk of recurrence and guide adjuvant treatment.

Methods: We performed an ancillary analysis of GOG 49, 92, and 141, and included stage I patients who were surgically managed and received no neoadjuvant/adjuvant therapy.

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Pericardial disease is a common manifestation of malignancy. Gynecologic malignancies such as ovarian cancer rarely present with cardiac involvement. Cardiac tamponade may be the initial presentation of malignancy in as many as half of pericardial disease cases.

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Background: We seek to evaluate the difference in recurrence patterns and survival among stage IIIC high-grade endometrial cancer treated with surgery followed by adjuvant chemotherapy alone, radiation therapy alone, or both (chemoradiation).

Methods: A multicenter retrospective analysis of surgically staged IIIC HGEC receiving adjuvant therapy was conducted. HGEC was defined as grade 3 endometrioid adenocarcinoma, serous, clear cell and carcinosarcoma.

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Background: Mounting evidence suggests disproportionate coronavirus disease 2019 (COVID-19) hospitalizations and deaths because of racial disparities. The association of race in a cohort of gynecologic oncology patients with severe acute respiratory syndrome-coronavirus 2 infection is unknown.

Methods: Data were abstracted from gynecologic oncology patients with COVID-19 infection among 8 New York City area hospital systems.

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Objective: The optimal sequence of adjuvant chemoradiation in the treatment of advanced endometrial carcinoma (EC) remains unclear. We sought to evaluate the outcomes of patients treated with chemoradiation in sandwich fashion (chemotherapy-radiotherapy-chemotherapy; CRC), versus those treated sequentially (chemotherapy-radiotherapy; CR) (radiotherapy-chemotherapy; RC), to determine if there is a survival advantaged associated with a particular treatment sequence.

Methods: A multicenter retrospective analysis of patients with stage III and IV EC from 2000-2018 was conducted.

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Objective: Elevated inflammatory markers are predictive of COVID-19 infection severity and mortality. It is unclear if these markers are associated with severe infection in patients with cancer due to underlying tumor related inflammation. We sought to further understand the inflammatory response related to COVID-19 infection in patients with gynecologic cancer.

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Submicron particles (~800 nm) of paclitaxel (SPP) contain 1-2 billion molecules of pure drug that release tumoricidal levels of paclitaxel over many weeks. This study compared two dose-levels of SPP instilled into the peritoneal cavity (IP) in 200 ml of saline post-cytoreductive surgery. Eligible patients with primary (n = 6) or recurrent (n = 4) epithelial ovarian cancer who underwent complete cytoreductive surgery were enrolled to receive a single instillation of IP SPP followed by standard IV carboplatin and paclitaxel.

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Background: New York City (NYC) is the epicenter of severe acute respiratory syndrome coronavirus 2 (coronavirus disease 2019 [COVID-19]) in the United States. Clinical characteristics and outcomes of vulnerable populations, such as those with gynecologic cancer who develop COVID-19 infections, is limited.

Methods: Patients from 6 NYC-area hospital systems with known gynecologic cancer and a COVID-19 diagnosis were identified.

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Timely adjustment of osmoregulation upon acute salinity stress is essential for the survival of euryhaline fish. This rapid response is thought to be tightly controlled by hormones; however, there are still questions unanswered. In this work, we tested the hypothesis that the endocrine hormone, insulin-like growth factor 1 (Igf1), a slow-acting hormone, is involved in the activation of salt secretion mechanisms in euryhaline medaka (Oryzias melastigma) during acclimation to acute salinity stress.

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Article Synopsis
  • Arginine vasopressin (Avp) plays a key role in regulating water reabsorption and ion balance, but its mechanisms are not fully understood.
  • Researchers used zebrafish embryos to study how Avp affects ion and acid-base homeostasis and found that blocking Avp reduced the expression of genes related to ion transport and lowered chloride levels.
  • Their findings suggest a molecular pathway in which Avp influences chloride balance, shedding light on its broader functions in the body.
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Objectives: Uterine carcinosarcoma is a rare, aggressive form of uterine cancer with a high recurrence rate and poor survival at all stages. We sought to evaluate the outcomes of patients treated with chemotherapy versus a combination of chemotherapy and radiation (chemoradiation) to determine survival.

Methods: A multicenter retrospective analysis of patients with stage I-IV carcinosarcoma was conducted from January 2000 to December 2017.

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Metastasis to bone (BM) is an uncommon manifestation of advanced endometrial cancer (EC). The present study will review the clinicopathologic features of a cohort of patients with EC and BM. We conducted a multi-center retrospective review of patients with EC and BM.

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Metastasis of non-mammary tumors to the breast are uncommon, representing <1% of all breast tumors. Breast metastasis are associated with advanced disease and poor prognosis regardless of the origin of the primary tumor. Uterine cancer metastasis to the breast is an extremely rare finding and has not been reported in the case of serous histology.

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Objective: To compare the clinicopathologic features and survival outcomes of neuroendocrine tumor of the uterine corpus (NET-U) to endometrioid type endometrial carcinoma (EC).

Methods: From 1993 to 2012, the Surveillance, Epidemiology and End Results cancer registry was queried for women diagnosed with EC or NET-U. Data regarding stage, grade, presence of extra-uterine disease, lymph node metastasis, receipt of adjuvant radiation, surgical intervention and overall survival (OS) was extracted.

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Background: Primary gynecologic neuroendocrine tumors are uncommon malignant neoplasms associated with poor prognosis. Clinically, these tumors present a significant challenge because of the lack of standardized management guidelines.

Objective: The objective of this study is to evaluate the clinicopathologic features, incidence, and survival trends in gynecologic neuroendocrine tumors.

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•Cervical rhabdomyosarcoma does not always present as a cervical mass with vesicles.•Treatment regimens studied in the pediatric population can be used in adults with rhabdomyosarcoma.•More data is needed on outcomes of adult patients treated for rhabdomyosarcoma.

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Objective: Hospice services improve quality of life and outcomes for patients and caretakers, compared to inpatient mortality. This study identifies factors that exert the strongest influence on end-of-life care modalities in patients with cervical cancer.

Methods: Admissions with a diagnosis of cervical cancer that were discharged to hospice or died in-hospital were identified in the National Inpatient Sample years 2007-2011, excluding admissions coded for hysterectomy.

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