Background: Optical coherence tomography (OCT) is a new non-invasive approach for real-time in vivo tissue characterization. A promising use of OCT can be the assessment of the architecture of lesions with some degree of inhomogeneities, such as vascular lesions. Knowledge of the size and depth of the vascular structures can be useful for the diagnosis and for choosing the best treatment.
Objective: The purpose of this study was to investigate a series of vascular lesions by means of OCT in order to obtain new insights into the non-invasive, pre-operative analysis of these lesions.
Methods: Seven vascular lesions were included in the study. Histopathological diagnosis showed two haemangiomas and one haemolymphangioma; the remaining four cases were classified as haemangiomas on the basis of their clinical appearance.
Results: In all lesions, OCT analysis was able to visualize different areas of the lesion from the horny layer to the dermis showing a clear image of the vascular proliferation. Specifically, oval to roundish signal-poor areas sharply demarcated by a surrounding signal-rich layer were observed in good correlation with histopathology.
Conclusion: The analysis of vascular lesions by OCT provides a new insight into non-invasive diagnosis and can be helpful in the selection of the most appropriate treatment.
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http://dx.doi.org/10.1111/j.1600-0846.2007.00265.x | DOI Listing |
J Craniomaxillofac Surg
January 2025
Neuroradiology Department, ULS São José, Lisbon, Portugal; NOVA Medical School, Universidade Nova de Lisboa, Lisbon, Portugal; Centro Clínico Académico de Lisboa (CCAL), Lisbon, Portugal.
Low-flow vascular malformations (LFVMs) account for over 90% of all vascular malformations, with the highest prevalence in the head and neck region. Intralesional sclerotherapy is the treatment of choice for subcutaneous LFVMs, although there is no consensus on optimal agent selection or dosage. Mild sclerosing agents, such as bleomycin, are commonly used in sensitive anatomical areas, including the head and neck, due to their favorable safety profile, despite slightly lower efficacy.
View Article and Find Full Text PDFJ Neurointerv Surg
January 2025
Division of Neuroradiology, Toronto Western Hospital, Joint Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Ontario, Canada.
Background: Venous vascular malformations (VVMs) are congenital vascular anomalies, often impacting quality of life due to discomfort, swelling, and functional impairments. This study evaluates the efficacy of bleomycin sclerotherapy as a treatment for symptomatic VVMs of the tongue.
Methods: We conducted a retrospective review of all patients treated with this method in our institution between 2004 and 2024.
J Imaging Inform Med
January 2025
Department of Convergence Medicine, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Seoul, 05505, Republic of Korea.
Although the relationships between basic clinical parameters and white matter hyperintensity (WMH) have been studied, the associations between vascular factors and WMH volume in general populations remain unclear. We investigated the associations between clinical parameters including comprehensive vascular factors and WMH in two large general populations. This retrospective, cross-sectional study involved two populations: individuals who underwent general health examinations at the Asan Medical Center (AMC) and participants from a regional cohort, the Korean Genome and Epidemiology Study (KoGES).
View Article and Find Full Text PDFJ Control Release
January 2025
Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China. Electronic address:
Steroid-induced osteonecrosis of the femoral head (SANFH) is a common hip joint disease that imposes a heavy economic burden on society. Patients continue to experience bone necrosis even after discontinuing glucocorticoid therapy, and the specific mechanisms require further investigation. The results of this study demonstrate that exosomes secreted by damaged vascular endothelial cells in SANFH lesions may be a crucial factor leading to abnormal adipogenic differentiation of bone marrow stromal cells (BMSCs).
View Article and Find Full Text PDFAm J Clin Pathol
January 2025
Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, US.
Objectives: Before the Amsterdam Placental Workshop Group Consensus Statement, standardization in placental pathology assessment did not exist. This study evaluated the Amsterdam criteria's utility in correlating ischemic placental disease (IPD) with placental pathologic lesions in a cohort of largely unsubmitted term placentas with favorable outcomes.
Methods: In this prospective case-controlled study at a single institution, all placentas were examined using Amsterdam protocols for gross sampling and microscopic review by 2 reviewers who were blinded to clinical history.
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