Assessing Obstetrics and Gynecology (OBGYN) Clinicians' Knowledge, Practice, and Attitudes toward Anorexia Nervosa, Atypical Anorexia Nervosa, and Amenorrhea.

Study Objective: Anorexia nervosa (AN) and atypical anorexia nervosa (AAN) are eating disorders (EDs) characterized by extreme restriction of energy intake. However, in contrast to AN, those with AAN are not underweight. Although individuals with either AN or AAN can experience associated functional hypothalamic amenorrhea (FHA) that may prompt them to seek gynecological care, little is known about OBGYNs' knowledge and approach to these patients; this study sought to fill this gap.

Advances in nonlinear metasurfaces for imaging, quantum, and sensing applications.

Metasurfaces, composed of artificial meta-atoms of subwavelength size, can support strong light-matter interaction based on multipolar resonances and plasmonics, hence offering the great capability of empowering nonlinear generation. Recently, owing to their ability to manipulate the amplitude and phase of the nonlinear emission in the subwavelength scale, metasurfaces have been recognized as ultra-compact, flat optical components for a vast range of applications, including nonlinear imaging, quantum light sources, and ultrasensitive sensing. This review focuses on the recent progress on nonlinear metasurfaces for those applications.

2020 ASCO, 2023 NCCN, 2023 MASCC/ESMO, and 2019 CCO: a comparison of antiemetic guidelines for the treatment of chemotherapy-induced nausea and vomiting in cancer patients.

Chemotherapy-induced nausea and vomiting (CINV) is a common toxicity that may impair the quality of life of patients with various malignancies ranging from early to end stages. In light of frequent changes to the guidelines for optimal management of CINV, we undertook this narrative review to compare the most recent guidelines published by ASCO (2020), NCCN (2023), MASCC/ESMO (2023), and CCO (2019). The processes undertaken by each organization to evaluate existing literature were also described.

Fetal Metabolic Alkalosis Resulting from Maternal Vomiting.

We describe a pregnant patient with severe compulsive water ingestion and vomiting that lead to metabolic alkalosis and preterm delivery. A 21-year-old patient was hospitalized multiple times throughout pregnancy for symptoms initially thought to be related to hyperemesis gravidarum. Overtime, it became apparent that the patient induced vomiting by rapidly drinking large volumes of water.

Patient engagement in the Continuing Professional Development programs within the department of radiation oncology at the University of Toronto (UTDRO): A qualitative study.

Introduction: There is little research regarding patient engagement (PE) in Continuing Professional Development (CPD) programs in radiation oncology. This study aims to understand the barriers and enablers to PE in the design and implementation process of CPD programs, and advance PE in these programs moving forward.

Methods: This qualitative study involved 17 semi-structured interviews, with 5 cancer patients and 12 educators, conducted from June 2019 to April 2020.