Mammary ducts become visible as negative contrast in the mammogram. This is caused by an increased contents of fat or oil in the mammary secretion. The secretion of lipides can indicate hormonal disregulation.
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Role of immediate injection of methylene blue after fiberoptic ductoscopy in selective ductectomy for patients with pathological nipple discharge.
BMC Cancer
January 2025
Department of Breast and Thyroid Surgery, the Central People's Hospital of Tengzhou, Tengzhou, China;, 277500, China.
Purpose: Pathological nipple discharge (PND) is associated with malignancy. This study aimed to investigate the value of fiberoptic ductoscopy (FDS) and the feasibility of immediate injection of methylene blue after FDS to identify discharging ducts and intraductal lesions without overflow of methylene blue during surgery.
Methods: From May 2019 to December 2023, 164 PND patients were enrolled.
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Department of Virology, Institute of Medical Science, University of Tokyo, Tokyo, Japan.
Since early 2024, highly pathogenic avian influenza H5N1 viruses have been causing outbreaks in dairy cattle in the United States. Here, we compared the replicative capacity of A/dairy cattle/Texas/24-008749-001/2024 (H5N1; Cow-H5N1) isolated from a dairy cow, A/chicken/Ghana/AVL-76321VIR7050-39/2021 (H5N1; Chicken-H5N1) isolated from a chicken, and a human H1N1 2009 pandemic virus in ex vivo explant cultures of mammary gland and teat from lactating cows. We also examined the expression of influenza virus receptors in these organs.
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Department of Pharmaceutics, Faculty of Pharmacy, Sri Ramachandra Institute of Higher Education and Research, Chennai, India.
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View Article and Find Full Text PDFHormone-responsive progenitors have a unique identity and exhibit high motility during mammary morphogenesis.
Cell Rep
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ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia. Electronic address:
Hormone-receptor-positive (HR) luminal cells largely mediate the response to estrogen and progesterone during mammary gland morphogenesis. However, there remains a lack of consensus on the precise nature of the precursor cells that maintain this essential HR lineage. Here we refine the identification of HR progenitors and demonstrate their unique regenerative capacity compared to mature HR cells.
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